Area
Code | Prefix | City/Switch Name
(Click for city search) | State/Prov.
Area Map | Telephone Company
Web link | Telco
Type | More
Info |
|---|
| 815 | 200 | Unknown | Illinois | PAETEC COMMUNICATIONS, INC. - IL | CLEC | More |
| 815 | 201 | ROCKFORD | Illinois | BANDWIDTH.COM CLEC, LLC - IL | | More |
| 815 | 202 | ROCKFORD | Illinois | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 815 | 203 | JOLIET | Illinois | USA MOBILITY WIRELESS, INC. | WIRELESS PROV | More |
| 815 | 204 | CRYSTAL LAKE | Illinois | USA MOBILITY WIRELESS, INC. | WIRELESS PROV | More |
| 815 | 205 | LA GRANGE | Illinois | CENTURYLINK COMMUNICATIONS, LLC | | More |
| 815 | 206 | WOODSTOCK | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 207 | OAKBROOK | Illinois | AT&T - LOCAL | CLEC | More |
| 815 | 208 | FULTON | Illinois | MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL | | More |
| 815 | 209 | CHICAGO | Illinois | LEVEL 3 COMMUNICATIONS, LLC - IL | CLEC | More |
| 815 | 210 | JOLIET | Illinois | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 815 | 212 | CHICAGO | Illinois | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 815 | 213 | DE KALB | Illinois | UNITED STATES CELLULAR - IL | WIRELESS PROV | More |
| 815 | 214 | KANKAKEE | Illinois | RCN TELECOM SERVICES OF ILLINIOS, INC. - IL | CLEC | More |
| 815 | 215 | CHICAGO | Illinois | FIRST COMMUNICATIONS, LLC - IL | CLEC | More |
| 815 | 216 | BRADLEY | Illinois | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | WIRELESS PROV | More |
| 815 | 217 | DE KALB | Illinois | DIGITAL NETWORK ACCESS COMMUNICATIONS, INC. - IL | | More |
| 815 | 218 | ROCKFORD | Illinois | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | WIRELESS PROV | More |
| 815 | 219 | CRYSTAL LK | Illinois | METROPCS, INC. | | More |
| 815 | 220 | LA SALLE | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 221 | CHICAGO | Illinois | TELEPORT COMMUNICATIONS AMERICA, LLC - IL | CAP | More |
| 815 | 222 | ROCKFORD | Illinois | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | WIRELESS PROV | More |
| 815 | 223 | LA SALLE | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 224 | LA SALLE | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 225 | MILLEDGEVILLE | Illinois | CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL | | More |
| 815 | 226 | ROCKFORD | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 227 | ROCKFORD | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 228 | OGLESBY | Illinois | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 815 | 229 | ROCKFORD | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 230 | ELK GROVE | Illinois | LEVEL 3 COMMUNICATIONS, LLC - IL | CLEC | More |
| 815 | 231 | ROCKFORD | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 232 | FREEPORT | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 233 | FREEPORT | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 234 | BYRON | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 235 | FREEPORT | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 236 | WOODSTOCK | Illinois | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 815 | 237 | GARDNER | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 238 | FREEPORT | Illinois | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | WIRELESS PROV | More |
| 815 | 239 | PECATONICA | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 240 | JOLIET | Illinois | CHARTER FIBERLINK - ILLINOIS, LLC - IL | | More |
| 815 | 241 | NORTHBROOK | Illinois | AMERICAN MESSAGING SERVICES, LLC | | More |
| 815 | 242 | ROCKFORD | Illinois | BANDWIDTH.COM CLEC, LLC - IL | | More |
| 815 | 243 | ROCKFORD | Illinois | UNITED STATES CELLULAR - IL | WIRELESS PROV | More |
| 815 | 244 | MOUNT CARROLL | Illinois | GALLATIN RIVER COMMUNICATIONS DBA CENTURYLINK | IND. TELCO | More |
| 815 | 245 | WOODSTOCK | Illinois | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 815 | 246 | EARLVILLE | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 247 | SEWARD | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 248 | DURAND | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 249 | GRAND RIDGE | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 250 | LA SALLE | Illinois | COMCAST IP PHONE, LLC | | More |
| 815 | 251 | NELSON | Illinois | GALLATIN RIVER COMMUNICATIONS DBA CENTURYLINK | IND. TELCO | More |
| 815 | 252 | OGLESBY | Illinois | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 815 | 253 | KEMPTON | Illinois | FRONTIER COMMUNICATIONS OF ILLINOIS, INC. | IND. TELCO | More |
| 815 | 254 | PLAINFIELD | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 255 | WOODSTOCK | Illinois | US XCHANGE OF ILLINOIS LLC DBA CHOICE ONE COMM IL | CLEC | More |
| 815 | 256 | STELLE | Illinois | STELLE TEL. CO. | IND. TELCO | More |
| 815 | 257 | STREATOR | Illinois | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | WIRELESS PROV | More |
| 815 | 258 | JOLIET | Illinois | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 815 | 259 | THOMSON | Illinois | GALLATIN RIVER COMMUNICATIONS DBA CENTURYLINK | IND. TELCO | More |
| 815 | 260 | JOLIET | Illinois | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 815 | 261 | CHICAGO | Illinois | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL | CLEC | More |
| 815 | 262 | ROCKFORD | Illinois | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | WIRELESS PROV | More |
| 815 | 263 | BRADLEY | Illinois | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | WIRELESS PROV | More |
| 815 | 264 | WATERMAN | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 265 | GILMAN | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 266 | FREEPORT | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 267 | CHICAGO | Illinois | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL | CLEC | More |
| 815 | 268 | ONARGA | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 269 | DANFORTH | Illinois | FRONTIER COMMUNICATIONS OF THE CAROLINAS, INC - IL | IND. TELCO | More |
| 815 | 270 | LANARK | Illinois | CHARTER FIBERLINK - ILLINOIS, LLC - IL | | More |
| 815 | 271 | CHICAGO | Illinois | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL | CLEC | More |
| 815 | 272 | CHICAGO | Illinois | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL | CLEC | More |
| 815 | 273 | SAVANNA | Illinois | GALLATIN RIVER COMMUNICATIONS DBA CENTURYLINK | IND. TELCO | More |
| 815 | 274 | JOLIET | Illinois | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 815 | 275 | FREEPORT | Illinois | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | WIRELESS PROV | More |
| 815 | 276 | CHICAGO | Illinois | TELEPORT COMMUNICATIONS AMERICA, LLC - IL | CAP | More |
| 815 | 277 | CHICAGO | Illinois | TELEPORT COMMUNICATIONS AMERICA, LLC - IL | CAP | More |
| 815 | 278 | BRADLEY | Illinois | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | WIRELESS PROV | More |
| 815 | 279 | KANKAKEE | Illinois | AMERICAN MESSAGING SERVICES, LLC | | More |
| 815 | 280 | CHICAGO | Illinois | TELEPORT COMMUNICATIONS AMERICA, LLC - IL | CAP | More |
| 815 | 281 | ROCKFORD | Illinois | UNITED STATES CELLULAR - IL | WIRELESS PROV | More |
| 815 | 282 | ROCKFORD | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 283 | JOLIET | Illinois | MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL | | More |
| 815 | 284 | DIXON | Illinois | GALLATIN RIVER COMMUNICATIONS DBA CENTURYLINK | IND. TELCO | More |
| 815 | 285 | DIXON | Illinois | GALLATIN RIVER COMMUNICATIONS DBA CENTURYLINK | IND. TELCO | More |
| 815 | 286 | HINCKLEY | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 287 | VERONA | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 288 | DIXON | Illinois | GALLATIN RIVER COMMUNICATIONS DBA CENTURYLINK | IND. TELCO | More |
| 815 | 289 | ROCKFORD | Illinois | UNITED STATES CELLULAR - IL | WIRELESS PROV | More |
| 815 | 290 | MINOOKA | Illinois | AT&T CORP. | | More |
| 815 | 291 | FREEPORT | Illinois | UNITED STATES CELLULAR - IL | WIRELESS PROV | More |
| 815 | 292 | BERGEN | Wisconsin | BERGEN TEL. CO. - IL | IND. TELCO | More |
| 815 | 293 | LOCKPORT | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 294 | LA GRANGE | Illinois | USA MOBILITY WIRELESS, INC. | WIRELESS PROV | More |
| 815 | 295 | CHICAGO | Illinois | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 815 | 296 | ROCKFORD | Illinois | TELNYX LLC | | More |
| 815 | 297 | FREEPORT | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 298 | ROCKFORD | Illinois | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | WIRELESS PROV | More |
| 815 | 299 | ROCKFORD | Illinois | UNITED STATES CELLULAR - IL | WIRELESS PROV | More |
| 815 | 300 | CHICGOZN01 | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 301 | CHICAGO | Illinois | LEVEL 3 COMMUNICATIONS, LLC - IL | CLEC | More |
| 815 | 302 | CHICAGO | Illinois | METROPCS, INC. | | More |
| 815 | 303 | PRINCETON | Illinois | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | WIRELESS PROV | More |
| 815 | 304 | ELK GROVE | Illinois | LEVEL 3 COMMUNICATIONS, LLC - IL | CLEC | More |
| 815 | 305 | ELK GROVE | Illinois | LEVEL 3 COMMUNICATIONS, LLC - IL | CLEC | More |
| 815 | 306 | ELK GROVE | Illinois | LEVEL 3 COMMUNICATIONS, LLC - IL | CLEC | More |
| 815 | 307 | ELK GROVE | Illinois | LEVEL 3 COMMUNICATIONS, LLC - IL | CLEC | More |
| 815 | 308 | ELK GROVE | Illinois | LEVEL 3 COMMUNICATIONS, LLC - IL | CLEC | More |
| 815 | 309 | SHANNON | Illinois | AERO NORTH COMMUNICATIONS, INC. - IL | | More |
| 815 | 310 | ELK GROVE | Illinois | LEVEL 3 COMMUNICATIONS, LLC - IL | CLEC | More |
| 815 | 311 | XXXXXXXXXX | Illinois | MULTIPLE OCN LISTING | | More |
| 815 | 312 | DWIGHT | Illinois | YMAX COMMUNICATIONS CORP. - IL | | More |
| 815 | 313 | ELK GROVE | Illinois | LEVEL 3 COMMUNICATIONS, LLC - IL | CLEC | More |
| 815 | 314 | ELK GROVE | Illinois | LEVEL 3 COMMUNICATIONS, LLC - IL | CLEC | More |
| 815 | 315 | ROCKFORD | Illinois | LEVEL 3 COMMUNICATIONS, LLC - IL | CLEC | More |
| 815 | 316 | ROCKFORD | Illinois | LEVEL 3 COMMUNICATIONS, LLC - IL | CLEC | More |
| 815 | 317 | ELK GROVE | Illinois | LEVEL 3 COMMUNICATIONS, LLC - IL | CLEC | More |
| 815 | 318 | ELK GROVE | Illinois | LEVEL 3 COMMUNICATIONS, LLC - IL | CLEC | More |
| 815 | 319 | ROCKFORD | Illinois | UNITED STATES CELLULAR - IL | WIRELESS PROV | More |
| 815 | 320 | KANKAKEE | Illinois | PEERLESS NETWORK OF ILLINOIS, LLC - IL | | More |
| 815 | 321 | CHICAGO | Illinois | XO ILLINOIS, INC. | CLEC | More |
| 815 | 322 | CHICAGO | Illinois | LEVEL 3 COMMUNICATIONS, LLC - IL | CLEC | More |
| 815 | 323 | CHICAGO | Illinois | LEVEL 3 COMMUNICATIONS, LLC - IL | CLEC | More |
| 815 | 324 | JOLIET | Illinois | MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL | | More |
| 815 | 325 | JOLIET | Illinois | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 815 | 326 | OGLESBY | Illinois | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 815 | 327 | CHICAGO | Illinois | LEVEL 3 COMMUNICATIONS, LLC - IL | CLEC | More |
| 815 | 328 | CHICAGO | Illinois | LEVEL 3 COMMUNICATIONS, LLC - IL | CLEC | More |
| 815 | 329 | LA SALLE | Illinois | AT&T CORP. | | More |
| 815 | 330 | CRESCENT CITY | Illinois | FIRST COMMUNICATIONS, LLC - IL | CLEC | More |
| 815 | 331 | CHICAGO | Illinois | LEVEL 3 COMMUNICATIONS, LLC - IL | CLEC | More |
| 815 | 332 | CHERRY VALLEY | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 333 | CHICAGO | Illinois | LEVEL 3 COMMUNICATIONS, LLC - IL | CLEC | More |
| 815 | 334 | WOODSTOCK | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 335 | WINNEBAGO | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 336 | COLETA | Illinois | CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL | | More |
| 815 | 337 | WOODSTOCK | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 338 | WOODSTOCK | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 339 | GRANVILLE | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 340 | | Illinois | COMCAST IP PHONE, LLC | | More |
| 815 | 341 | JOLIET | Illinois | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 815 | 342 | JOLIET | Illinois | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 815 | 343 | OGLESBY | Illinois | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 815 | 344 | MCHENRY | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 345 | CHICAGO | Illinois | LEVEL 3 COMMUNICATIONS, LLC - IL | CLEC | More |
| 815 | 346 | CHICAGO | Illinois | LEVEL 3 COMMUNICATIONS, LLC - IL | CLEC | More |
| 815 | 347 | WOODSTOCK | Illinois | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | WIRELESS PROV | More |
| 815 | 348 | LOCKPORT | Illinois | US XCHANGE OF ILLINOIS LLC DBA CHOICE ONE COMM IL | CLEC | More |
| 815 | 349 | CHICAGO | Illinois | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL | CLEC | More |
| 815 | 350 | FRANKLIN GROVE | Illinois | AERO NORTH COMMUNICATIONS, INC. - IL | | More |
| 815 | 351 | BRADLEY | Illinois | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | WIRELESS PROV | More |
| 815 | 352 | CHICAGO | Illinois | LEVEL 3 COMMUNICATIONS, LLC - IL | CLEC | More |
| 815 | 353 | WOODSTOCK | Illinois | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | WIRELESS PROV | More |
| 815 | 354 | WOODSTOCK | Illinois | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | WIRELESS PROV | More |
| 815 | 355 | WOODSTOCK | Illinois | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | WIRELESS PROV | More |
| 815 | 356 | CRYSTAL LAKE | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 357 | SENECA | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 358 | CORNELL | Illinois | C-R TELEPHONE CO. | IND. TELCO | More |
| 815 | 359 | HARMON | Illinois | GALLATIN RIVER COMMUNICATIONS DBA CENTURYLINK | IND. TELCO | More |
| 815 | 360 | SUBLETTE | Illinois | AERO NORTH COMMUNICATIONS, INC. - IL | | More |
| 815 | 361 | CHICAGO | Illinois | LEVEL 3 COMMUNICATIONS, LLC - IL | CLEC | More |
| 815 | 362 | GERMAN VALLEY | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 363 | MCHENRY | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 364 | CHICAGO | Illinois | LEVEL 3 COMMUNICATIONS, LLC - IL | CLEC | More |
| 815 | 365 | REDDICK | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 366 | CHICAGO | Illinois | LEVEL 3 COMMUNICATIONS, LLC - IL | CLEC | More |
| 815 | 367 | WINSLOW | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 368 | LOSTANT | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 369 | LENA | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 370 | BRADLEY | Illinois | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | WIRELESS PROV | More |
| 815 | 371 | CHICAGO | Illinois | LEVEL 3 COMMUNICATIONS, LLC - IL | CLEC | More |
| 815 | 372 | LOCKPORT | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 373 | JOLIET | Illinois | US XCHANGE OF ILLINOIS LLC DBA CHOICE ONE COMM IL | CLEC | More |
| 815 | 374 | JOLIET | Illinois | US XCHANGE OF ILLINOIS LLC DBA CHOICE ONE COMM IL | CLEC | More |
| 815 | 375 | DEKALB | Illinois | UNITED STATES CELLULAR - IL | WIRELESS PROV | More |
| 815 | 376 | OHIO | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 377 | CHICAGO | Illinois | LEVEL 3 COMMUNICATIONS, LLC - IL | CLEC | More |
| 815 | 378 | ROCKFORD | Illinois | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 815 | 379 | WALNUT | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 380 | STERLING | Illinois | LEVEL 3 COMMUNICATIONS, LLC - IL | CLEC | More |
| 815 | 381 | ROCKFORD | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 382 | WOODSTOCK | Illinois | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 815 | 383 | CRESCENT CITY | Illinois | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 815 | 384 | CRESTON | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 385 | MCHENRY | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 386 | BRADLEY | Illinois | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | WIRELESS PROV | More |
| 815 | 387 | ROCKFORD | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 388 | CHICAGO | Illinois | METROPCS, INC. | | More |
| 815 | 389 | BELOIT | Wisconsin | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 390 | BRAIDWOOD | Illinois | COMCAST IP PHONE, LLC | | More |
| 815 | 391 | ROCKFORD | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 392 | KINSMAN | Illinois | KINSMAN MUTUAL TEL. CO. | IND. TELCO | More |
| 815 | 393 | MONROE CENTER | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 394 | ROCKFORD | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 395 | ROCKFORD | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 396 | STEWARD | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 397 | ROCKFORD | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 398 | ROCKFORD | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 399 | ROCKFORD | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 400 | ROCKFORD | Illinois | MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL | | More |
| 815 | 401 | KANKAKEE | Illinois | LEVEL 3 COMMUNICATIONS, LLC - IL | CLEC | More |
| 815 | 402 | JOLIET | Illinois | LEVEL 3 COMMUNICATIONS, LLC - IL | CLEC | More |
| 815 | 403 | CHICAGO | Illinois | METROPCS, INC. | | More |
| 815 | 404 | CHICAGO | Illinois | METROPCS, INC. | | More |
| 815 | 405 | JOLIET | Illinois | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 815 | 406 | BYRON | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 407 | LOCKPORT | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 408 | UTICA | Illinois | FIRST COMMUNICATIONS, LLC - IL | CLEC | More |
| 815 | 409 | JOLIET | Illinois | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | WIRELESS PROV | More |
| 815 | 410 | CHICAGO | Illinois | LEVEL 3 COMMUNICATIONS, LLC - IL | CLEC | More |
| 815 | 411 | XXXXXXXXXX | Illinois | MULTIPLE OCN LISTING | | More |
| 815 | 412 | ELK GROVE | Illinois | LEVEL 3 COMMUNICATIONS, LLC - IL | CLEC | More |
| 815 | 413 | MORRIS | Illinois | FIRST COMMUNICATIONS, LLC - IL | CLEC | More |
| 815 | 414 | EARLVILLE | Illinois | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 815 | 415 | SENECA | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 416 | MORRIS | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 417 | BRAIDWOOD | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 418 | MANHATTAN | Illinois | FIRST COMMUNICATIONS, LLC - IL | CLEC | More |
| 815 | 419 | PONTIAC | Illinois | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | WIRELESS PROV | More |
| 815 | 420 | CRESTON | Illinois | ONVOY, LLC | | More |
| 815 | 421 | HERSCHER | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 422 | SAINT ANNE | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 423 | ELWOOD | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 424 | ELWOOD | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 425 | CHICAGO | Illinois | LEVEL 3 COMMUNICATIONS, LLC - IL | CLEC | More |
| 815 | 426 | HERSCHER | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 427 | SAINT ANNE | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 428 | MARTINTON | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 429 | SHELDON | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 430 | MCHENRY | Illinois | FIRST COMMUNICATIONS, LLC - IL | CLEC | More |
| 815 | 431 | OTTAWA | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 432 | WATSEKA | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 433 | OTTAWA | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 434 | OTTAWA | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 435 | BEAVERVILLE | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 436 | PLAINFIELD | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 437 | PUTNAM | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 438 | TAMPICO | Illinois | CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL | | More |
| 815 | 439 | PLAINFIELD | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 440 | DIXON | Illinois | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | WIRELESS PROV | More |
| 815 | 441 | STERLING | Illinois | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | WIRELESS PROV | More |
| 815 | 442 | TONICA | Illinois | TONICA TEL. CO. | IND. TELCO | More |
| 815 | 443 | PEARL CITY | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 444 | CRYSTAL LAKE | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 445 | MANLIUS | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 446 | CEDAR POINT | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 447 | DEPUE | Illinois | FRONTIER COMMUNICATIONS OF DEPUE, INC. | IND. TELCO | More |
| 815 | 448 | MAZON | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 449 | DAKOTA | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 450 | JOLIET | Illinois | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 815 | 451 | WOODSTOCK | Illinois | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 815 | 452 | TOLUCA | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 453 | ASHTON | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 454 | SHEFFIELD | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 455 | CRYSTAL LAKE | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 456 | FRANKLIN GROVE | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 457 | CISSNA PARK | Illinois | FRONTIER COMMUNICATIONS OF THE CAROLINAS, INC - IL | IND. TELCO | More |
| 815 | 458 | BRAIDWOOD | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 459 | CRYSTAL LAKE | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 460 | JOLIET | Illinois | FIRST COMMUNICATIONS, LLC - IL | CLEC | More |
| 815 | 461 | CHICAGO | Illinois | XO ILLINOIS, INC. | CLEC | More |
| 815 | 462 | NEW LENOX | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 463 | NEW LENOX | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 464 | FRANKFORT | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 465 | GRANT PARK | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 466 | GRANT PARK | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 467 | MINOOKA | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 468 | MANTENO | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 469 | FRANKFORT | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 470 | ROCKFORD | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 471 | WATSEKA | Illinois | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | WIRELESS PROV | More |
| 815 | 472 | MOMENCE | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 473 | WOODLAND | Illinois | FRONTIER COMMUNICATIONS OF THE CAROLINAS, INC - IL | IND. TELCO | More |
| 815 | 474 | JOLIET | Illinois | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 815 | 475 | PLATTVILLE | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 476 | WILMINGTON | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 477 | CRYSTAL LAKE | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 478 | MANHATTAN | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 479 | CRYSTAL LAKE | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 480 | ROCKFORD | Illinois | USA MOBILITY WIRELESS, INC. | WIRELESS PROV | More |
| 815 | 481 | LA GRANGE | Illinois | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | WIRELESS PROV | More |
| 815 | 482 | WOODSTOCK | Illinois | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 815 | 483 | CHICAGO | Illinois | METROPCS, INC. | | More |
| 815 | 484 | ROCKFORD | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 485 | NEW LENOX | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 486 | DONOVAN | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 487 | PLAINFIELD | Illinois | FIRST COMMUNICATIONS, LLC - IL | CLEC | More |
| 815 | 488 | LA GRANGE | Illinois | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | WIRELESS PROV | More |
| 815 | 489 | ROCKFORD | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 490 | ROCKFORD | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 491 | JOLIET | Illinois | NUSO, LLC | | More |
| 815 | 492 | APPLE CANYON | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 493 | LANARK | Illinois | CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL | | More |
| 815 | 494 | ROCKFORD | Illinois | UNITED STATES CELLULAR - IL | WIRELESS PROV | More |
| 815 | 495 | LELAND | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 496 | SHERIDAN | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 497 | COMPTON | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 498 | SOMONAUK | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 499 | STERLING | Illinois | UNITED STATES CELLULAR - IL | WIRELESS PROV | More |
| 815 | 500 | MARSEILLES | Illinois | MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL | | More |
| 815 | 501 | DE KALB | Illinois | METROPCS, INC. | | More |
| 815 | 502 | WOODSTOCK | Illinois | FIRST COMMUNICATIONS, LLC - IL | CLEC | More |
| 815 | 503 | GRIDLEY | Illinois | METROPCS, INC. | | More |
| 815 | 504 | GARDNER | Illinois | FIRST COMMUNICATIONS, LLC - IL | CLEC | More |
| 815 | 505 | ROCKFORD | Illinois | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 815 | 506 | CHICAGO | Illinois | LEVEL 3 COMMUNICATIONS, LLC - IL | CLEC | More |
| 815 | 507 | CHICAGO | Illinois | LEVEL 3 COMMUNICATIONS, LLC - IL | CLEC | More |
| 815 | 508 | BLOOMINGTON | Illinois | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 815 | 509 | ROCKFORD | Illinois | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 815 | 510 | JOLIET | Illinois | MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL | | More |
| 815 | 512 | LOCKPORT | Illinois | FIRST COMMUNICATIONS, LLC - IL | CLEC | More |
| 815 | 513 | CHICAGO | Illinois | LEVEL 3 COMMUNICATIONS, LLC - IL | CLEC | More |
| 815 | 514 | JOLIET | Illinois | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 815 | 515 | CHICAGO | Illinois | LEVEL 3 COMMUNICATIONS, LLC - IL | CLEC | More |
| 815 | 516 | ROCKFORD | Illinois | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 815 | 517 | DE KALB | Illinois | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL | CLEC | More |
| 815 | 518 | COAL CITY | Illinois | FIRST COMMUNICATIONS, LLC - IL | CLEC | More |
| 815 | 519 | CHICAGO | Illinois | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 815 | 520 | ROCKFORD | Illinois | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | WIRELESS PROV | More |
| 815 | 521 | MINOOKA | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 522 | KIRKLAND | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 523 | OAKBROOK | Illinois | TELEPORT COMMUNICATIONS AMERICA, LLC - IL | CAP | More |
| 815 | 524 | OAKBROOK | Illinois | TELEPORT COMMUNICATIONS AMERICA, LLC - IL | CAP | More |
| 815 | 525 | MADISON | Wisconsin | TDS METROCOM, INC. - IL | CLEC | More |
| 815 | 526 | CHICAGO | Illinois | TELEPORT COMMUNICATIONS AMERICA, LLC - IL | CAP | More |
| 815 | 527 | CHICAGO | Illinois | TELEPORT COMMUNICATIONS AMERICA, LLC - IL | CAP | More |
| 815 | 528 | CHICAGO | Illinois | TELEPORT COMMUNICATIONS AMERICA, LLC - IL | CAP | More |
| 815 | 529 | WOODSTOCK | Illinois | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | WIRELESS PROV | More |
| 815 | 530 | CHICAGO | Illinois | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 815 | 531 | OAKBROOK | Illinois | TELEPORT COMMUNICATIONS AMERICA, LLC - IL | CAP | More |
| 815 | 532 | MORRIS | Illinois | USA MOBILITY WIRELESS, INC. | WIRELESS PROV | More |
| 815 | 533 | LA GRANGE | Illinois | INDIANA PAGING NETWORK, INC. | WIRELESS PROV | More |
| 815 | 534 | OAKBROOK | Illinois | LEVEL 3 COMMUNICATIONS, LLC - IL | CLEC | More |
| 815 | 535 | STERLING | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 536 | LA GRANGE | Illinois | USA MOBILITY WIRELESS, INC. | WIRELESS PROV | More |
| 815 | 537 | PROPHETSTOWN | Illinois | CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL | | More |
| 815 | 538 | MENDOTA | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 539 | MENDOTA | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 540 | CHICAGO | Illinois | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 815 | 541 | FREEPORT | Illinois | UNITED STATES CELLULAR - IL | WIRELESS PROV | More |
| 815 | 542 | THOMAS | Illinois | CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL | | More |
| 815 | 543 | ROCKFORD | Illinois | UNITED STATES CELLULAR - IL | WIRELESS PROV | More |
| 815 | 544 | BELVIDERE | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 545 | JOLIET | Illinois | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 815 | 546 | JOLIET | Illinois | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 815 | 547 | BELVIDERE | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 548 | STERLING | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 549 | GRIDLEY | Illinois | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 815 | 550 | CHICAGO | Illinois | LEVEL 3 COMMUNICATIONS, LLC - IL | CLEC | More |
| 815 | 551 | SAVANNA | Illinois | ONVOY, LLC | | More |
| 815 | 552 | CHICAGO | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 553 | CHICAGO | Illinois | OVATION COMMUNICATIONS OF ILLINOIS, INC. | CLEC | More |
| 815 | 554 | CHICAGO | Illinois | MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL | | More |
| 815 | 555 | ROCKFORD | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 556 | CHICAGO | Illinois | LEVEL 3 COMMUNICATIONS, LLC - IL | CLEC | More |
| 815 | 557 | CHICAGO | Illinois | METROPCS, INC. | | More |
| 815 | 558 | ROCKFORD | Illinois | UNITED STATES CELLULAR - IL | WIRELESS PROV | More |
| 815 | 559 | FULTON | Illinois | VOIP INNOVATIONS, LLC | | More |
| 815 | 560 | HARVARD | Illinois | METROPCS, INC. | | More |
| 815 | 561 | ROCHELLE | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 562 | ROCHELLE | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 563 | CEDARVILLE | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 564 | STERLING | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 565 | HINCKLEY | Illinois | MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL | | More |
| 815 | 566 | BELVIDERE | Illinois | LEVEL 3 COMMUNICATIONS, LLC - IL | CLEC | More |
| 815 | 567 | CAMPUS | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 568 | MARENGO | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 569 | CAPRON | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 570 | SANDWICH | Illinois | LEVEL 3 COMMUNICATIONS, LLC - IL | CLEC | More |
| 815 | 571 | SHANNON | Illinois | MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL | | More |
| 815 | 572 | CHICAGO | Illinois | LEVEL 3 COMMUNICATIONS, LLC - IL | CLEC | More |
| 815 | 573 | CHICAGO | Illinois | LEVEL 3 COMMUNICATIONS, LLC - IL | CLEC | More |
| 815 | 574 | HARMON | Illinois | AERO NORTH COMMUNICATIONS, INC. - IL | | More |
| 815 | 575 | WOODSTOCK | Illinois | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 815 | 576 | POLO | Illinois | AERO NORTH COMMUNICATIONS, INC. - IL | | More |
| 815 | 577 | PLAINFIELD | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 578 | MCHENRY | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 579 | GRIDLEY | Illinois | METROPCS, INC. | | More |
| 815 | 580 | CHERRY VLY | Illinois | AT&T - LOCAL | CLEC | More |
| 815 | 581 | ROLLING MEADOWS | Illinois | COMCAST IP PHONE, LLC | | More |
| 815 | 582 | JOLIET | Illinois | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 815 | 583 | MORRISON | Illinois | AERO NORTH COMMUNICATIONS, INC. - IL | | More |
| 815 | 584 | DWIGHT | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 585 | MORRIS | Illinois | LEVEL 3 COMMUNICATIONS, LLC - IL | CLEC | More |
| 815 | 586 | RANSOM | Illinois | C-R TELEPHONE CO. | IND. TELCO | More |
| 815 | 587 | CHICAGO | Illinois | LEVEL 3 COMMUNICATIONS, LLC - IL | CLEC | More |
| 815 | 588 | LOCKPORT | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 589 | FULTON | Illinois | CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL | | More |
| 815 | 590 | STERLING | Illinois | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 815 | 591 | HANOVER | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 592 | BRADLEY | Illinois | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | WIRELESS PROV | More |
| 815 | 593 | DEKALB | Illinois | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 815 | 594 | APPLE RIVER | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 595 | OREGON | Illinois | AT&T - LOCAL | CLEC | More |
| 815 | 596 | MARENGO | Illinois | AT&T CORP. | | More |
| 815 | 597 | GARDEN PRAIRIE | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 598 | MASSBACH | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 599 | FREEPORT | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 600 | JOLIET | Illinois | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 815 | 601 | ROCKFORD | Illinois | UNITED STATES CELLULAR - IL | WIRELESS PROV | More |
| 815 | 602 | KANKAKEE | Illinois | FIRST COMMUNICATIONS, LLC - IL | CLEC | More |
| 815 | 603 | JOLIET | Illinois | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 815 | 604 | GRAND DETOUR | Illinois | ONVOY, LLC | | More |
| 815 | 605 | CHICAGO | Illinois | LEVEL 3 COMMUNICATIONS, LLC - IL | CLEC | More |
| 815 | 606 | OTTAWA | Illinois | FIRST COMMUNICATIONS, LLC - IL | CLEC | More |
| 815 | 607 | FLANAGAN | Illinois | ITV-3, LLC D/B/A I3 BROADBAND | | More |
| 815 | 608 | ROCKFORD | Illinois | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 815 | 609 | PLAINFIELD | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 610 | GENOA | Illinois | ITV-3, LLC D/B/A I3 BROADBAND | | More |
| 815 | 611 | XXXXXXXXXX | Illinois | MULTIPLE OCN LISTING | | More |
| 815 | 612 | LISLE | Illinois | ITV-3, LLC D/B/A I3 BROADBAND | | More |
| 815 | 613 | MOUNT CARROLL | Illinois | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 815 | 614 | CHICAGO | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 615 | CHICAGO | Illinois | LEVEL 3 COMMUNICATIONS, LLC - IL | CLEC | More |
| 815 | 616 | FREEPORT | Illinois | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 815 | 617 | OAKBROOK | Illinois | AT&T - LOCAL | CLEC | More |
| 815 | 618 | FREEPORT | Illinois | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 815 | 619 | BELVIDERE | Illinois | AERO NORTH COMMUNICATIONS, INC. - IL | | More |
| 815 | 620 | HOOPPOLE | Illinois | PEERLESS NETWORK OF ILLINOIS, LLC - IL | | More |
| 815 | 621 | CHICAGO | Illinois | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 815 | 622 | STERLING | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 623 | ROSCOE | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 624 | ROCKTON | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 625 | STERLING | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 626 | STERLING | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 627 | PAW PAW | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 628 | WEST BROOKLYN | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 629 | SHIRLAND | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 630 | JOLIET | Illinois | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 815 | 631 | STERLING | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 632 | STERLING | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 633 | ROCKFORD | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 634 | COAL CITY | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 635 | CHATSWORTH | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 636 | ROCKFORD | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 637 | ROCKFORD | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 638 | LA MOILLE | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 639 | ROCKFORD | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 640 | LISLE | Illinois | TELEPORT COMMUNICATIONS AMERICA, LLC - IL | CAP | More |
| 815 | 641 | KIRKLAND | Illinois | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | WIRELESS PROV | More |
| 815 | 642 | CHICAGO | Illinois | LEVEL 3 COMMUNICATIONS, LLC - IL | CLEC | More |
| 815 | 643 | DOVER | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 644 | CRESCENT CITY | Illinois | RCN TELECOM SERVICES OF ILLINIOS, INC. - IL | CLEC | More |
| 815 | 645 | STILLMAN VALLEY | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 646 | TISKILWA | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 647 | MINOOKA | Illinois | MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL | | More |
| 815 | 648 | HEBRON | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 649 | GARDNER | Illinois | RCN TELECOM SERVICES OF ILLINIOS, INC. - IL | CLEC | More |
| 815 | 650 | FREEPORT | Illinois | METROPCS, INC. | | More |
| 815 | 651 | JOLIET | Illinois | RCN TELECOM SERVICES OF ILLINIOS, INC. - IL | CLEC | More |
| 815 | 652 | GRAND DETOUR | Illinois | GALLATIN RIVER COMMUNICATIONS DBA CENTURYLINK | IND. TELCO | More |
| 815 | 653 | WONDER LAKE | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 654 | ROCKFORD | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 655 | COLETA | Illinois | TELEPORT COMMUNICATIONS AMERICA, LLC - IL | CAP | More |
| 815 | 656 | FREEPORT | Illinois | LEVEL 3 COMMUNICATIONS, LLC - IL | CLEC | More |
| 815 | 657 | FORREST | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 658 | LANARK | Illinois | TELEPORT COMMUNICATIONS AMERICA, LLC - IL | CAP | More |
| 815 | 659 | BUREAU | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 660 | LOCKPORT | Illinois | RCN TELECOM SERVICES OF ILLINIOS, INC. - IL | CLEC | More |
| 815 | 661 | MORRIS | Illinois | RCN TELECOM SERVICES OF ILLINIOS, INC. - IL | CLEC | More |
| 815 | 662 | CHICAGO | Illinois | LEVEL 3 COMMUNICATIONS, LLC - IL | CLEC | More |
| 815 | 663 | SPRING VALLEY | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 664 | SPRING VALLEY | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 665 | OTTAWA | Illinois | RCN TELECOM SERVICES OF ILLINIOS, INC. - IL | CLEC | More |
| 815 | 666 | JOLIET | Illinois | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | WIRELESS PROV | More |
| 815 | 667 | UTICA | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 668 | JOLIET | Illinois | ONVOY, LLC | | More |
| 815 | 669 | CHICAGO | Illinois | LEVEL 3 COMMUNICATIONS, LLC - IL | CLEC | More |
| 815 | 670 | CHICAGO | Illinois | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 815 | 671 | CHICAGO | Illinois | LEVEL 3 COMMUNICATIONS, LLC - IL | CLEC | More |
| 815 | 672 | STREATOR | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 673 | STREATOR | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 674 | STREATOR | Illinois | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 815 | 675 | SPRING GROVE | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 676 | CHICAGO | Illinois | LEVEL 3 COMMUNICATIONS, LLC - IL | CLEC | More |
| 815 | 677 | WARREN | Illinois | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | WIRELESS PROV | More |
| 815 | 678 | RICHMOND | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 679 | MCHENRY | Illinois | RCN TELECOM SERVICES OF ILLINIOS, INC. - IL | CLEC | More |
| 815 | 680 | MANHATTAN | Illinois | RCN TELECOM SERVICES OF ILLINIOS, INC. - IL | CLEC | More |
| 815 | 681 | ROCKFORD | Illinois | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | WIRELESS PROV | More |
| 815 | 682 | STOCKLAND | Illinois | FRONTIER COMMUNICATIONS OF THE CAROLINAS, INC - IL | IND. TELCO | More |
| 815 | 683 | CRESCENT CITY | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 684 | CHADWICK | Illinois | CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL | | More |
| 815 | 685 | JOLIET | Illinois | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 815 | 686 | PIPER CITY | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 687 | WOODSTOCK | Illinois | RCN TELECOM SERVICES OF ILLINIOS, INC. - IL | CLEC | More |
| 815 | 688 | STRAWN | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 689 | CULLOM | Illinois | FRONTIER COMMUNICATIONS OF ILLINOIS, INC. | IND. TELCO | More |
| 815 | 690 | JOLIET | Illinois | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 815 | 691 | UTICA | Illinois | RCN TELECOM SERVICES OF ILLINIOS, INC. - IL | CLEC | More |
| 815 | 692 | FAIRBURY | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 693 | JOLIET | Illinois | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 815 | 694 | CLIFTON | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 695 | NEWARK | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 696 | LEAF RIVER | Illinois | AERO NORTH COMMUNICATIONS, INC. - IL | | More |
| 815 | 697 | CHEBANSE | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 698 | ASHKUM | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 699 | WYANET | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 700 | XXXXXXXXXX | Illinois | MULTIPLE OCN LISTING | | More |
| 815 | 701 | CHICAGO | Illinois | LEVEL 3 COMMUNICATIONS, LLC - IL | CLEC | More |
| 815 | 702 | LISLE | Illinois | CENTURYLINK COMMUNICATIONS, LLC | | More |
| 815 | 703 | ROCKFORD | Illinois | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 815 | 704 | SOUTH BELOIT | Wisconsin | MCLEODUSA TELECOMMUNICATION SERVICES, INC. - IL | CLEC | More |
| 815 | 705 | LISLE | Illinois | TELEPORT COMMUNICATIONS AMERICA, LLC - IL | CAP | More |
| 815 | 706 | LYNDON | Illinois | EXIANT COMMUNICATIONS LLC | | More |
| 815 | 707 | CHICAGO | Illinois | LEVEL 3 COMMUNICATIONS, LLC - IL | CLEC | More |
| 815 | 708 | ROCKFORD | Illinois | COMCAST IP PHONE, LLC | | More |
| 815 | 709 | CHICAGO | Illinois | LEVEL 3 COMMUNICATIONS, LLC - IL | CLEC | More |
| 815 | 710 | OAKBROOK | Illinois | AT&T - LOCAL | CLEC | More |
| 815 | 711 | XXXXXXXXXX | Illinois | MULTIPLE OCN LISTING | | More |
| 815 | 712 | LA SALLE | Illinois | METROPCS, INC. | | More |
| 815 | 713 | ROCKFORD | Illinois | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 815 | 714 | CHICAGO | Illinois | BANDWIDTH.COM CLEC, LLC - IL | | More |
| 815 | 715 | JOLIET | Illinois | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 815 | 716 | STERLING | Illinois | METROPCS, INC. | | More |
| 815 | 717 | CHICAGO | Illinois | FIRST COMMUNICATIONS, LLC | | More |
| 815 | 718 | STERLING | Illinois | UNITED STATES CELLULAR - IL | WIRELESS PROV | More |
| 815 | 719 | CRYSTAL LAKE | Illinois | METROPCS, INC. | | More |
| 815 | 720 | ROCKFORD | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 721 | ROCKFORD | Illinois | TELEPORT COMMUNICATIONS AMERICA, LLC - IL | CAP | More |
| 815 | 722 | JOLIET | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 723 | JOLIET | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 724 | JOLIET | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 725 | JOLIET | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 726 | JOLIET | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 727 | JOLIET | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 728 | WONDER LAKE | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 729 | JOLIET | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 730 | JOLIET | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 731 | MALTA | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 732 | OREGON | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 733 | PLAINFIELD | Illinois | RCN TELECOM SERVICES OF ILLINIOS, INC. - IL | CLEC | More |
| 815 | 734 | MOUNT MORRIS | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 735 | JOLIET | Illinois | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 815 | 736 | LISBON | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 737 | SHARON | Wisconsin | SHARON TEL. CO. - IL | IND. TELCO | More |
| 815 | 738 | LEAF RIVER | Illinois | LEAF RIVER TELEPHONE CO. | IND. TELCO | More |
| 815 | 739 | SYCAMORE | Illinois | METROPCS, INC. | | More |
| 815 | 740 | JOLIET | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 741 | JOLIET | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 742 | ROCKFORD | Illinois | UNITED STATES CELLULAR - IL | WIRELESS PROV | More |
| 815 | 743 | GRAYMONT | Illinois | FRONTIER COMMUNICATIONS-PRAIRIE, INC. | IND. TELCO | More |
| 815 | 744 | JOLIET | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 745 | WARREN | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 746 | DE KALB | Illinois | MARSEILLES TEL. CO. OF MARSEILLES | IND. TELCO | More |
| 815 | 747 | EAST DUBUQUE | Illinois | CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL | | More |
| 815 | 748 | DEKALB | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 749 | ROCKFORD | Illinois | BANDWIDTH.COM CLEC, LLC - IL | | More |
| 815 | 750 | JOLIET | Illinois | MTCO COMMUNICATIONS, INC. | CLEC | More |
| 815 | 751 | DE KALB | Illinois | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | WIRELESS PROV | More |
| 815 | 752 | DEKALB | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 753 | DEKALB | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 754 | DEKALB | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 755 | DE KALB | Illinois | ONVOY, LLC | | More |
| 815 | 756 | DEKALB | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 757 | DE KALB | Illinois | UNITED STATES CELLULAR - IL | WIRELESS PROV | More |
| 815 | 758 | DEKALB | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 759 | MCHENRY | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 760 | MAPLE PARK | Illinois | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | WIRELESS PROV | More |
| 815 | 761 | DE KALB | Illinois | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | WIRELESS PROV | More |
| 815 | 762 | DE KALB | Illinois | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | WIRELESS PROV | More |
| 815 | 763 | ROCKFORD | Illinois | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | WIRELESS PROV | More |
| 815 | 764 | DE KALB | Illinois | UNITED STATES CELLULAR - IL | WIRELESS PROV | More |
| 815 | 765 | POPLAR GROVE | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 766 | DE KALB | Illinois | UNITED STATES CELLULAR - IL | WIRELESS PROV | More |
| 815 | 767 | LA GRANGE | Illinois | AMERICAN MESSAGING SERVICES, LLC | | More |
| 815 | 768 | JOLIET | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 769 | ELK GROVE | Illinois | LEVEL 3 COMMUNICATIONS, LLC - IL | CLEC | More |
| 815 | 770 | HARVARD | Illinois | CHARTER FIBERLINK - ILLINOIS, LLC - IL | | More |
| 815 | 771 | ASHKUM | Illinois | RCN TELECOM SERVICES OF ILLINIOS, INC. - IL | CLEC | More |
| 815 | 772 | MORRISON | Illinois | CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL | | More |
| 815 | 773 | JOLIET | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 774 | JOLIET | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 775 | WOODSTOCK | Illinois | USA MOBILITY WIRELESS, INC. | WIRELESS PROV | More |
| 815 | 776 | GALENA | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 777 | GALENA | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 778 | LYNDON | Illinois | CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL | | More |
| 815 | 779 | PLAINFIELD | Illinois | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 815 | 780 | ELK GROVE | Illinois | LEVEL 3 COMMUNICATIONS, LLC - IL | CLEC | More |
| 815 | 781 | CHEBANSE | Illinois | RCN TELECOM SERVICES OF ILLINIOS, INC. - IL | CLEC | More |
| 815 | 782 | ELK GROVE | Illinois | LEVEL 3 COMMUNICATIONS, LLC - IL | CLEC | More |
| 815 | 783 | GILMAN | Illinois | RCN TELECOM SERVICES OF ILLINIOS, INC. - IL | CLEC | More |
| 815 | 784 | GENOA | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 785 | WATSEKA | Illinois | RCN TELECOM SERVICES OF ILLINIOS, INC. - IL | CLEC | More |
| 815 | 786 | SANDWICH | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 787 | DEKALB | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 788 | CRYSTAL LAKE | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 789 | ORANGEVILLE | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 790 | WOODSTOCK | Illinois | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 815 | 791 | JOLIET | Illinois | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 815 | 792 | HARDING | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 793 | DE KALB | Illinois | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 815 | 794 | MARSEILLES | Illinois | MARSEILLES TEL. CO. OF MARSEILLES | IND. TELCO | More |
| 815 | 795 | MARSEILLES | Illinois | MARSEILLES TEL. CO. OF MARSEILLES | IND. TELCO | More |
| 815 | 796 | FLANAGAN | Illinois | FRONTIER COMMUNICATIONS-PRAIRIE, INC. | IND. TELCO | More |
| 815 | 797 | SOMONAUK | Illinois | LEVEL 3 COMMUNICATIONS, LLC - IL | CLEC | More |
| 815 | 798 | MILLEDGEVILLE | Illinois | AERO NORTH COMMUNICATIONS, INC. - IL | | More |
| 815 | 799 | MANLIUS | Illinois | LEVEL 3 COMMUNICATIONS, LLC - IL | CLEC | More |
| 815 | 800 | POPLAR GRV | Illinois | MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL | | More |
| 815 | 801 | FREEPORT | Illinois | AERO NORTH COMMUNICATIONS, INC. - IL | | More |
| 815 | 802 | KANKAKEE | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 803 | BYRON | Illinois | AERO NORTH COMMUNICATIONS, INC. - IL | | More |
| 815 | 804 | PECATONICA | Illinois | AERO NORTH COMMUNICATIONS, INC. - IL | | More |
| 815 | 805 | DURAND | Illinois | AERO NORTH COMMUNICATIONS, INC. - IL | | More |
| 815 | 806 | FRANKFORT | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 807 | GERMAN VALLEY | Illinois | AERO NORTH COMMUNICATIONS, INC. - IL | | More |
| 815 | 808 | WINSLOW | Illinois | AERO NORTH COMMUNICATIONS, INC. - IL | | More |
| 815 | 809 | LENA | Illinois | AERO NORTH COMMUNICATIONS, INC. - IL | | More |
| 815 | 810 | PEARL CITY | Illinois | AERO NORTH COMMUNICATIONS, INC. - IL | | More |
| 815 | 811 | XXXXXXXXXX | Illinois | MULTIPLE OCN LISTING | | More |
| 815 | 812 | DAKOTA | Illinois | AERO NORTH COMMUNICATIONS, INC. - IL | | More |
| 815 | 813 | APPLE RIVER | Illinois | AERO NORTH COMMUNICATIONS, INC. - IL | | More |
| 815 | 814 | WOODSTOCK | Illinois | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 815 | 816 | CEDARVILLE | Illinois | AERO NORTH COMMUNICATIONS, INC. - IL | | More |
| 815 | 817 | HANOVER | Illinois | AERO NORTH COMMUNICATIONS, INC. - IL | | More |
| 815 | 818 | WARREN | Illinois | AERO NORTH COMMUNICATIONS, INC. - IL | | More |
| 815 | 819 | ORANGEVILLE | Illinois | AERO NORTH COMMUNICATIONS, INC. - IL | | More |
| 815 | 820 | ELIZABETH | Illinois | AERO NORTH COMMUNICATIONS, INC. - IL | | More |
| 815 | 821 | FREEPORT | Illinois | UNITED STATES CELLULAR - IL | WIRELESS PROV | More |
| 815 | 822 | STREATOR | Illinois | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 815 | 823 | CHICAGO | Illinois | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL | CLEC | More |
| 815 | 824 | SHABBONA | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 825 | MALTA | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 826 | MONROE CENTER | Illinois | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | WIRELESS PROV | More |
| 815 | 827 | MAPLE PARK | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 828 | CHICAGO | Illinois | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL | CLEC | More |
| 815 | 829 | CHADWICK | Illinois | AERO NORTH COMMUNICATIONS, INC. - IL | | More |
| 815 | 830 | OGLESBY | Illinois | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 815 | 831 | DAVIS | Illinois | AERO NORTH COMMUNICATIONS, INC. - IL | | More |
| 815 | 832 | SAUNEMIN | Illinois | FRONTIER COMMUNICATIONS OF ILLINOIS, INC. | IND. TELCO | More |
| 815 | 833 | MCCONNELL | Illinois | AERO NORTH COMMUNICATIONS, INC. - IL | | More |
| 815 | 834 | LOCKPORT | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 835 | DIXON | Illinois | AERO NORTH COMMUNICATIONS, INC. - IL | | More |
| 815 | 836 | LOCKPORT | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 837 | FORRESTON | Illinois | AERO NORTH COMMUNICATIONS, INC. - IL | | More |
| 815 | 838 | LOCKPORT | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 839 | CHICAGO | Illinois | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL | CLEC | More |
| 815 | 840 | STOCKTON | Illinois | AERO NORTH COMMUNICATIONS, INC. - IL | | More |
| 815 | 841 | MOUNT MORRIS | Illinois | AERO NORTH COMMUNICATIONS, INC. - IL | | More |
| 815 | 842 | PONTIAC | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 843 | ASHTON | Illinois | AERO NORTH COMMUNICATIONS, INC. - IL | | More |
| 815 | 844 | PONTIAC | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 845 | SCALES MOUND | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 846 | CHICAGO | Illinois | LEVEL 3 COMMUNICATIONS, LLC - IL | CLEC | More |
| 815 | 847 | ROCKFORD | Illinois | AT&T CORP. | | More |
| 815 | 848 | PONTIAC | Illinois | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | WIRELESS PROV | More |
| 815 | 849 | SUBLETTE | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 850 | SEWARD | Illinois | AERO NORTH COMMUNICATIONS, INC. - IL | | More |
| 815 | 851 | KANKAKEE | Illinois | USA MOBILITY WIRELESS, INC. | WIRELESS PROV | More |
| 815 | 852 | SCALES MOUND | Illinois | AERO NORTH COMMUNICATIONS, INC. - IL | | More |
| 815 | 853 | WENONA | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 854 | LONG POINT | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 855 | OAKBROOK | Illinois | MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL | | More |
| 815 | 856 | LEONORE | Illinois | LEONORE MUTUAL TEL. CO. | IND. TELCO | More |
| 815 | 857 | AMBOY | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 858 | ELIZABETH | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 859 | NELSON | Illinois | VONAGE AMERICA LLC | | More |
| 815 | 860 | ROCKFORD | Illinois | TELEPORT COMMUNICATIONS AMERICA, LLC - IL | CAP | More |
| 815 | 861 | WOODSTOCK | Illinois | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 815 | 862 | DE KALB | Illinois | CHARTER FIBERLINK - ILLINOIS, LLC - IL | | More |
| 815 | 863 | RUTLAND | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 864 | SHANNON | Illinois | CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL | | More |
| 815 | 865 | DAVIS | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 866 | PRINCETON | Illinois | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | WIRELESS PROV | More |
| 815 | 867 | PONTIAC | Illinois | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 815 | 868 | MC CONNELL | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 869 | MAGNOLIA | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 870 | ROCKFORD | Illinois | USA MOBILITY WIRELESS, INC. | WIRELESS PROV | More |
| 815 | 871 | ROCKFORD | Illinois | UNITED STATES CELLULAR - IL | WIRELESS PROV | More |
| 815 | 872 | PRINCETON | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 873 | NEW MILFORD | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 874 | NEW MILFORD | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 875 | PRINCETON | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 876 | PRINCETON | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 877 | ROCKFORD | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 878 | PRINCETON | Illinois | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 815 | 879 | PRINCETON | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 880 | CHICAGO | Illinois | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL | CLEC | More |
| 815 | 881 | OREGON | Illinois | LEVEL 3 COMMUNICATIONS, LLC - IL | CLEC | More |
| 815 | 882 | MCNABB | Illinois | MCNABB TEL. CO. | IND. TELCO | More |
| 815 | 883 | OGLESBY | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 884 | HARVARD | Illinois | MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL | | More |
| 815 | 885 | ROCK CUT | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 886 | LOCKPORT | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 887 | ROLLING MEADOWS | Illinois | TELEPORT COMMUNICATIONS AMERICA, LLC - IL | CAP | More |
| 815 | 888 | ROCHELLE | Illinois | LEVEL 3 COMMUNICATIONS, LLC - IL | CLEC | More |
| 815 | 889 | MILFORD | Illinois | FRONTIER COMMUNICATIONS OF THE CAROLINAS, INC - IL | IND. TELCO | More |
| 815 | 890 | NEWMILFORD | Illinois | AERO NORTH COMMUNICATIONS, INC. - IL | | More |
| 815 | 891 | WINNEBAGO | Illinois | AERO NORTH COMMUNICATIONS, INC. - IL | | More |
| 815 | 892 | SHANNON | Illinois | TELEPORT COMMUNICATIONS AMERICA, LLC - IL | CAP | More |
| 815 | 893 | JOLIET | Illinois | COMCAST IP PHONE, LLC | | More |
| 815 | 894 | LADD | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 895 | SYCAMORE | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 896 | SHIRLAND | Illinois | AERO NORTH COMMUNICATIONS, INC. - IL | | More |
| 815 | 897 | STEWARD | Illinois | MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL | | More |
| 815 | 898 | MASSBACH | Illinois | AERO NORTH COMMUNICATIONS, INC. - IL | | More |
| 815 | 899 | SYCAMORE | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 900 | AMBOY | Illinois | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 815 | 901 | SHABBONA | Illinois | COMCAST IP PHONE, LLC | | More |
| 815 | 902 | CHICAGO | Illinois | MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL | | More |
| 815 | 903 | MCHENRY | Illinois | AMERICAN MESSAGING SERVICES, LLC | | More |
| 815 | 904 | JOLIET | Illinois | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 815 | 905 | CHICAGO | Illinois | LEVEL 3 COMMUNICATIONS, LLC - IL | CLEC | More |
| 815 | 906 | MT CARROLL | Illinois | MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL | | More |
| 815 | 907 | ELK GROVE | Illinois | LEVEL 3 COMMUNICATIONS, LLC - IL | CLEC | More |
| 815 | 908 | FREEPORT | Illinois | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | WIRELESS PROV | More |
| 815 | 909 | DEKALB | Illinois | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 815 | 910 | MENDOTA | Illinois | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | WIRELESS PROV | More |
| 815 | 911 | XXXXXXXXXX | Illinois | MULTIPLE OCN LISTING | | More |
| 815 | 912 | BELVIDERE | Illinois | AERO NORTH COMMUNICATIONS, INC. - IL | | More |
| 815 | 913 | JOLIET | Illinois | CENTURYLINK COMMUNICATIONS, LLC | | More |
| 815 | 914 | CHICAGO | Illinois | METROPCS, INC. | | More |
| 815 | 915 | PRINCETON | Illinois | LEVEL 3 COMMUNICATIONS, LLC - IL | CLEC | More |
| 815 | 916 | LOCKPORT | Illinois | ONVOY, LLC | | More |
| 815 | 917 | ROCHELLE | Illinois | AERO NORTH COMMUNICATIONS, INC. - IL | | More |
| 815 | 918 | CLIFTON | Illinois | LEVEL 3 COMMUNICATIONS, LLC - IL | CLEC | More |
| 815 | 919 | JOLIET | Illinois | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 815 | 920 | CORNELL | Illinois | MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL | | More |
| 815 | 921 | ROCKFORD | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 922 | BRADLEY | Illinois | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | WIRELESS PROV | More |
| 815 | 923 | UNION | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 924 | PROPHETSTOWN | Illinois | AERO NORTH COMMUNICATIONS, INC. - IL | | More |
| 815 | 925 | HENNEPIN | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 926 | ELK GROVE | Illinois | LEVEL 3 COMMUNICATIONS, LLC - IL | CLEC | More |
| 815 | 927 | ELK GROVE | Illinois | LEVEL 3 COMMUNICATIONS, LLC - IL | CLEC | More |
| 815 | 928 | KANKAKEE | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 929 | KANKAKEE | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 930 | LISLE | Illinois | MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL | | More |
| 815 | 931 | JOLIET | Illinois | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 815 | 932 | KANKAKEE | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 933 | KANKAKEE | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 934 | EMINGTON | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 935 | KANKAKEE | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 936 | KANKAKEE | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 937 | KANKAKEE | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 938 | FORRESTON | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 939 | KANKAKEE | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 940 | GARDNER | Illinois | LEVEL 3 COMMUNICATIONS, LLC - IL | CLEC | More |
| 815 | 941 | MORRIS | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 942 | MORRIS | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 943 | HARVARD | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 944 | MOMENCE | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 945 | CHENOA | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 946 | POLO | Illinois | CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL | | More |
| 815 | 947 | STOCKTON | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 948 | HOOPPOLE | Illinois | CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL | | More |
| 815 | 949 | CABERY | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 950 | XXXXXXXXXX | Illinois | MULTIPLE OCN LISTING | | More |
| 815 | 951 | AMBOY | Illinois | AERO NORTH COMMUNICATIONS, INC. - IL | | More |
| 815 | 952 | FULTON | Illinois | AERO NORTH COMMUNICATIONS, INC. - IL | | More |
| 815 | 953 | BRADLEY | Illinois | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | WIRELESS PROV | More |
| 815 | 954 | BRADLEY | Illinois | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | WIRELESS PROV | More |
| 815 | 955 | JOLIET | Illinois | METROPCS, INC. | | More |
| 815 | 956 | MORRISON | Illinois | CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL | | More |
| 815 | 957 | WATERMAN | Illinois | LEVEL 3 COMMUNICATIONS, LLC - IL | CLEC | More |
| 815 | 958 | XXXXXXXXXX | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 959 | XXXXXXXXXX | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 960 | LEAF RIVER | Illinois | NORTH COUNTY COMMUNICATION CORPORATION - CA | CLEC | More |
| 815 | 961 | ROCKFORD | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 962 | ROCKFORD | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 963 | ROCKFORD | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 964 | ROCKFORD | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 965 | ROCKFORD | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 966 | ROCKFORD | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 967 | ROCKFORD | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 968 | ROCKFORD | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 969 | ROCKFORD | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 970 | SYCAMORE | Illinois | METROPCS, INC. | | More |
| 815 | 971 | ROCKFORD | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 972 | ROCKFORD | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 973 | DIXON | Illinois | UNITED STATES CELLULAR - IL | WIRELESS PROV | More |
| 815 | 974 | THOMAS (BUREAU) | Illinois | ONVOY, LLC | | More |
| 815 | 975 | BELVIDERE | Illinois | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 815 | 976 | XXXXXXXXXX | Illinois | MULTIPLE OCN LISTING | | More |
| 815 | 977 | ROCKFORD | Illinois | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL | CLEC | More |
| 815 | 978 | ROCKFORD | Illinois | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | WIRELESS PROV | More |
| 815 | 979 | ROCKFORD | Illinois | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | WIRELESS PROV | More |
| 815 | 980 | ROCKFORD | Illinois | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | WIRELESS PROV | More |
| 815 | 981 | CHICAGO | Illinois | LEVEL 3 COMMUNICATIONS, LLC - IL | CLEC | More |
| 815 | 982 | TAMPICO | Illinois | MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL | | More |
| 815 | 983 | ROCKFORD | Illinois | AMERICAN MESSAGING SERVICES, LLC | | More |
| 815 | 984 | WELLINGTON | Illinois | FRONTIER COMMUNICATIONS OF THE CAROLINAS, INC - IL | IND. TELCO | More |
| 815 | 985 | ROCKFORD | Illinois | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | WIRELESS PROV | More |
| 815 | 986 | ROCKFORD | Illinois | US XCHANGE OF ILLINOIS LLC DBA CHOICE ONE COMM IL | CLEC | More |
| 815 | 987 | ROCKFORD | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 815 | 988 | ROCKFORD | Illinois | UNITED STATES CELLULAR - IL | WIRELESS PROV | More |
| 815 | 989 | PROPHETSTN | Illinois | MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL | | More |
| 815 | 990 | FREEPORT | Illinois | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | WIRELESS PROV | More |
| 815 | 991 | SYCAMORE | Illinois | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 815 | 992 | ROCKFORD | Illinois | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 815 | 993 | OGLESBY | Illinois | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 815 | 994 | DIXON | Illinois | METROPCS, INC. | | More |
| 815 | 995 | BELVIDERE | Illinois | TELEPORT COMMUNICATIONS AMERICA, LLC - IL | CAP | More |
| 815 | 996 | SAVANNA | Illinois | CENTURYLINK COMMUNICATIONS, LLC | | More |
| 815 | 997 | ROCKFORD | Illinois | MCLEODUSA TELECOMMUNICATION SERVICES, INC. - IL | CLEC | More |
| 815 | 998 | ODELL | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 815 | 999 | JOLIET | Illinois | T-MOBILE USA, INC. | WIRELESS PROV | More |
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