Area Code | Prefix | City/Switch Name (Click for city search) | State/Prov. Area Map | Telephone Company Web link | Telco Type | More Info |
|---|
| 201 | 304 | TEANECK | New Jersey | METROPCS, INC. | | More |
| 202 | 304 | WSHNGTNZN1 | Virginia | NEW CINGULAR WIRELESS PCS, LLC - DC | WIRELESS PROV | More |
| 203 | 304 | NEWTOWN | Connecticut | TELEPORT COMMUNICATIONS AMERICA, LLC - CT | CAP | More |
| 204 | 304 | Altona | Manitoba | MTS Inc. | | More |
| 205 | 304 | DORA | Alabama | LEVEL 3 COMMUNICATIONS, LLC - AL | | More |
| 206 | 304 | DES MOINES | Washington | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 207 | 304 | WISCASSET | Maine | TELEPORT COMMUNICATIONS AMERICA, LLC - ME | | More |
| 208 | 304 | SANDPOINT | Idaho | METROPCS, INC. | | More |
| 209 | 304 | JACKSON | California | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 210 | 304 | SANANTONIO | Texas | SOUTHWESTERN BELL | RBOC | More |
| 212 | 304 | NWYRCYZN03 | New York | VERIZON NEW YORK, INC. | RBOC | More |
| 213 | 304 | LSAN DA 01 | California | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 214 | 304 | CARROLLTON | Texas | CEBRIDGE TELECOM TX , L.P. - TX | | More |
| 215 | 304 | PHLDLPHZN1 | Pennsylvania | VERIZON PENNSYLVANIA, INC. | RBOC | More |
| 216 | 304 | CLEVELAND | Ohio | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 217 | 304 | DANVILLE | Illinois | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 218 | 304 | MOORHEAD | Minnesota | ONVOY, LLC - MN | | More |
| 219 | 304 | ELKHART | Indiana | CENTURYLINK COMMUNICATIONS, LLC | | More |
| 223 | 304 | NEWVILLE | Pennsylvania | COMCAST IP PHONE, LLC | | More |
| 224 | 304 | ZION | Illinois | OVATION COMMUNICATIONS OF ILLINOIS, INC. | CLEC | More |
| 225 | 304 | DENHAM SPG | Louisiana | LEVEL 3 COMMUNICATIONS, LLC - LA | | More |
| 226 | 304 | Lucan | Ontario | Quadro Communications Co-operative Inc. | | More |
| 228 | 304 | BAYSTLOUIS | Mississippi | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MS | WIRELESS PROV | More |
| 229 | 304 | ALBANY | Georgia | TELNYX LLC | | More |
| 231 | 304 | MORLEY | Michigan | ONVOY, LLCV - MI | | More |
| 234 | 304 | HUDSON | Ohio | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 239 | 304 | NAPLES | Florida | CENTURYLINK OF FLORIDA, INC. (UNITED) | IND. TELCO | More |
| 240 | 304 | WSHNGTNZN5 | Maryland | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | WIRELESS PROV | More |
| 248 | 304 | SOUTHFIELD | Michigan | MICHIGAN BELL TEL CO | RBOC | More |
| 250 | 304 | CASTLEGAR | British Columbia | TELUS | IND. TELCO | More |
| 251 | 304 | MOBILE | Alabama | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | RBOC | More |
| 252 | 304 | AYDEN | North Carolina | CEBRIDGE TELECOM NC, LLC DBA SUDDENLINK COMMS - NC | | More |
| 253 | 304 | TACOMA | Washington | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 254 | 304 | WACO | Texas | YMAX COMMUNICATIONS CORP. - TX | | More |
| 256 | 304 | FORT PAYNE | Alabama | DELTACOM, INC. - AL | CLEC | More |
| 260 | 304 | LIGONIER | Indiana | OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC | | More |
| 262 | 304 | OCONOMOWOC | Wisconsin | ONVOY, LLC - WI | | More |
| 267 | 304 | PHLDLPHZN1 | Pennsylvania | OMNIPOINT COMMUNICATIONS ENTERPRISES, LP | WIRELESS PROV | More |
| 269 | 304 | SAWYER | Michigan | ONVOY, LLCV - MI | | More |
| 270 | 304 | ELIZABTHTN | Kentucky | METROPCS, INC. | | More |
| 272 | 304 | HONESDALE | Pennsylvania | HD CARRIER LLC | | More |
| 276 | 304 | DAVENPORT | Virginia | ONVOY, LLC - VA | | More |
| 281 | 304 | CYPRESS | Texas | SOUTHWESTERN BELL | RBOC | More |
| 289 | 304 | Maple | Ontario | Bell Canada | IND. TELCO | More |
| 301 | 304 | WALKERSVL | Maryland | COMCAST IP PHONE, LLC | | More |
| 302 | 304 | WILMINGTON | Delaware | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DE | WIRELESS PROV | More |
| 303 | 304 | FORTLUPTON | Colorado | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 304 | 304 | CHRLSTNZN1 | West Virginia | ONVOY SPECTRUM, LLC | | More |
| 305 | 304 | KEYS | Florida | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 306 | 304 | Meadow Lake | Saskatchewan | SaskTel Mobility | | More |
| 307 | 304 | JEFFREY CY | Wyoming | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 308 | 304 | MINDEN | Nebraska | UNITED STATES CELLULAR - NE | WIRELESS PROV | More |
| 309 | 304 | EUREKA | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 310 | 304 | HAWTHORNE | California | ONVOY, LLC - CA | | More |
| 312 | 304 | HINSDALE | Illinois | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 313 | 304 | DETROITZN5 | Michigan | OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC | | More |
| 314 | 304 | LADUE | Missouri | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO | | More |
| 315 | 304 | HENDERSON | New York | TIME WARNER CABLE INFO SVCE (NEW YORK) LLC-NY | | More |
| 316 | 304 | WICHITA | Kansas | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 317 | 304 | INDIANAPLS | Indiana | AMERICAN MESSAGING SERVICES, LLC | | More |
| 318 | 304 | CALCASIEU | Louisiana | ONVOY, LLC - LA | | More |
| 319 | 304 | CEDAR RPDS | Iowa | CSC WIRELESS, LLC | | More |
| 320 | 304 | ALEXANDRIA | Minnesota | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MN | | More |
| 321 | 304 | WINTERPARK | Florida | METROPCS NETWORKS, LLC | | More |
| 323 | 304 | LSAN DA 14 | California | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 325 | 304 | SAN ANGELO | Texas | CENTURYLINK COMMUNICATIONS, LLC | | More |
| 330 | 304 | MEDINA | Ohio | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 331 | 304 | BARTLETT | Illinois | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 334 | 304 | LUVERNE | Alabama | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL | WIRELESS PROV | More |
| 336 | 304 | BOOMER | North Carolina | CHARTER FIBERLINK NC-CCO, LLC - NC | | More |
| 337 | 304 | LK CHARLES | Louisiana | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 346 | 304 | STAFFORD | Texas | COMCAST IP PHONE, LLC | | More |
| 347 | 304 | NWYRCYZN06 | New York | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY | WIRELESS PROV | More |
| 352 | 304 | OCALA | Florida | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - FL | WIRELESS PROV | More |
| 360 | 304 | CHEHALIS | Washington | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 361 | 304 | PETTUS | Texas | ONVOY, LLC - TX | | More |
| 385 | 304 | AMERCNFORK | Utah | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 386 | 304 | DAYTONABCH | Florida | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 401 | 304 | W WARWICK | Rhode Island | CTC COMMUNICATIONS CORP. - RI | | More |
| 402 | 304 | LINCOLN | Nebraska | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 403 | 304 | RED DEER | Alberta | TELUS | IND. TELCO | More |
| 404 | 304 | ATLANTA | Georgia | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - GA | WIRELESS PROV | More |
| 405 | 304 | OKLA CITY | Oklahoma | USA MOBILITY WIRELESS, INC. | WIRELESS PROV | More |
| 406 | 304 | MISSOULA | Montana | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 407 | 304 | WINTERPARK | Florida | CENTURYLINK COMMUNICATIONS LLC - FL | CAP | More |
| 408 | 304 | SNJS WEST | California | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 409 | 304 | PORTARTHUR | Texas | NUSO, LLC | | More |
| 410 | 304 | QUEENSTOWN | Maryland | IDT AMERICA, CORP. - MD | | More |
| 412 | 304 | PTTSBGZON1 | Pennsylvania | AERIAL COMMUNICATIONS, INC. | WIRELESS PROV | More |
| 413 | 304 | SPRINGFLD | Massachusetts | BROADVIEW NETWORKS, INC. - MA | | More |
| 414 | 304 | MILWAUKZN5 | Wisconsin | WISCONSIN BELL INC | RBOC | More |
| 415 | 304 | SAN RAFAEL | California | METROPCS, INC. | | More |
| 416 | 304 | TORONTO | Ontario | Bell Canada | IND. TELCO | More |
| 417 | 304 | KOSHKONONG | Missouri | RYSTEC, INC | | More |
| 418 | 304 | Levis | Quebec | Videotron General Partnership | CLEC | More |
| 419 | 304 | TOLEDO | Ohio | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH | WIRELESS PROV | More |
| 423 | 304 | CHATTNOOGA | Tennessee | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 424 | 304 | REDONDO | California | ONVOY, LLC - CA | | More |
| 425 | 304 | EVERETT | Washington | ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER | IND. TELCO | More |
| 430 | 304 | POINT | Texas | ONVOY, LLC - TX | | More |
| 434 | 304 | DANVILLE | Virginia | NUSO, LLC | | More |
| 435 | 304 | RICHFIELD | Utah | TELEPORT COMMUNICATIONS AMERICA, LLC - UT | CLEC | More |
| 440 | 304 | WILLOUGHBY | Ohio | USA MOBILITY WIRELESS, INC. | WIRELESS PROV | More |
| 442 | 304 | EAGLE MT | California | PEERLESS NETWORK OF CALIFORNIA, LLC - CA | | More |
| 443 | 304 | ARBUTUS | Maryland | GLOBAL CROSSING LOCAL SERVICES, INC. - MD | CLEC | More |
| 445 | 304 | PHLDLPHZN3 | Pennsylvania | NEW CINGULAR WIRELESS PCS, LLC - DC | WIRELESS PROV | More |
| 450 | 304 | St-Jerome | Quebec | Videotron General Partnership | CLEC | More |
| 458 | 304 | HALSEY | Oregon | DISH WIRELESS, LLC | | More |
| 463 | 304 | INDIANAPLS | Indiana | ONVOY, LLC - IN | | More |
| 469 | 304 | PLANO | Texas | MCLEODUSA TELECOMMUNICATION SERVICES, INC. - TX | CLEC | More |
| 470 | 304 | ATLANTA NE | Georgia | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - GA | WIRELESS PROV | More |
| 475 | 304 | HUNTINGTON | Connecticut | ONVOY, LLC - CT | | More |
| 478 | 304 | DUBLIN | Georgia | CHARTER FIBERLINK - GEORGIA, LLC - GA | | More |
| 479 | 304 | FAYETTEVL | Arkansas | YMAX COMMUNICATIONS CORP. - AR | | More |
| 480 | 304 | PHOENIX | Arizona | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 484 | 304 | PHILADELPHIA SUBURB | Pennsylvania | CORE COMMUNICATIONS, INC. - PA | | More |
| 501 | 304 | MALVERN | Arkansas | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AR | WIRELESS PROV | More |
| 503 | 304 | SALEM | Oregon | QWEST CORPORATION | RBOC | More |
| 504 | 304 | NEWORLEANS | Louisiana | COMCAST IP PHONE, LLC | | More |
| 505 | 304 | ALBUQURQUE | New Mexico | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 507 | 304 | MANKATO | Minnesota | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 508 | 304 | WORCESTER | Massachusetts | OMNIPOINT MIAMI E LICENSE, LLC | PCS | More |
| 509 | 304 | CLE ELUM | Washington | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 510 | 304 | FRNK MAIN | California | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 512 | 304 | BASTROP | Texas | SOUTHWESTERN BELL | RBOC | More |
| 513 | 304 | CINCINNATI | Ohio | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 514 | 304 | MONTREAL | Quebec | Bell Canada | IND. TELCO | More |
| 515 | 304 | DES MOINES | Iowa | COMCAST IP PHONE, LLC | | More |
| 516 | 304 | NASSAUZN01 | New York | OMNIPOINT COMMUNICATIONS, INC. - NY | WIRELESS PROV | More |
| 517 | 304 | HOWELL | Michigan | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 518 | 304 | SARANAC LK | New York | TC SYSTEMS, INC. - NY | CAP | More |
| 519 | 304 | Brantford | Ontario | Rogers Communications Partnership (Cable) | | More |
| 520 | 304 | TUCSON | Arizona | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 530 | 304 | DAVIS | California | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 531 | 304 | PENDER | Nebraska | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 540 | 304 | REMINGTON | Virginia | ONVOY, LLC - VA | | More |
| 541 | 304 | PENDLETON | Oregon | LEVEL 3 COMMUNICATIONS, LLC - OR | | More |
| 551 | 304 | RUTHERFORD | New Jersey | NEW CINGULAR WIRELESS PCS, LLC - DC | WIRELESS PROV | More |
| 559 | 304 | FRESNO | California | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 561 | 304 | WPALMBEACH | Florida | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 562 | 304 | LONG BEACH | California | PAETEC COMMUNICATIONS, INC. - CA | CLEC | More |
| 567 | 304 | TOLEDO | Ohio | CSC WIRELESS, LLC | | More |
| 570 | 304 | LAWSVILLE | Pennsylvania | CORE COMMUNICATIONS, INC. - PA | | More |
| 571 | 304 | HERNDON | Virginia | VERIZON VIRGINIA, INC. | RBOC | More |
| 573 | 304 | CALIFORNIA | Missouri | TELNYX LLC | | More |
| 574 | 304 | ELKHART | Indiana | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN | WIRELESS PROV | More |
| 575 | 304 | CHAPARRAL | New Mexico | COMMIO, LLC | | More |
| 580 | 304 | PONCA CITY | Oklahoma | SOUTHWESTERN BELL | RBOC | More |
| 581 | 304 | Riviere-au-Tonnerre | Quebec | Telecommunications Xittel Inc | | More |
| 585 | 304 | OAKFIELD | New York | PEERLESS NETWORK OF NEW YORK, LLC - NY | | More |
| 586 | 304 | NEW HAVEN | Michigan | ONVOY, LLCV - MI | | More |
| 601 | 304 | NATCHEZ | Mississippi | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | RBOC | More |
| 602 | 304 | PHOENIX | Arizona | QWEST CORPORATION | RBOC | More |
| 603 | 304 | ENFIELD | New Hampshire | UNITED STATES CELLULAR - NH | WIRELESS PROV | More |
| 604 | 304 | RICHMOND | British Columbia | Rogers Communications Partnership (Cable) | CLEC | More |
| 605 | 304 | WHITE | South Dakota | MCC TELEPHONY OF THE MID-WEST, LLC - SD | | More |
| 606 | 304 | CORBIN | Kentucky | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 607 | 304 | BINGHAMTON | New York | PAETEC COMMUNICATIONS, INC. - NY | CLEC | More |
| 608 | 304 | LA CROSSE | Wisconsin | METROPCS, INC. | | More |
| 609 | 304 | MOORESTOWN | New Jersey | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NJ | WIRELESS PROV | More |
| 610 | 304 | PHPHSBZN30 | Pennsylvania | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA | WIRELESS PROV | More |
| 612 | 304 | TWINCITIES | Minnesota | LEVEL 3 TELECOM OF MINNESOTA, LLC - MN | | More |
| 613 | 304 | Ottawa-Hull | Ontario | Bell Mobility | WIRELESS PROV | More |
| 614 | 304 | NEW ALBANY | Ohio | WINDSTREAM NUVOX OHIO, LLC | | More |
| 615 | 304 | NASHVILLE | Tennessee | USA MOBILITY WIRELESS, INC. | WIRELESS PROV | More |
| 616 | 304 | GRAND RPDS | Michigan | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 617 | 304 | BOSTON | Massachusetts | METROPCS, INC. | | More |
| 618 | 304 | COLLINSVL | Missouri | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | WIRELESS PROV | More |
| 619 | 304 | SNDG SNDG | California | ONVOY, LLC - CA | | More |
| 620 | 304 | BAXTER SPG | Kansas | METROPCS, INC. | | More |
| 623 | 304 | PHOENIX | Arizona | ONVOY, LLC - AZ | | More |
| 626 | 304 | PSDN PSDN | California | PACIFIC BELL | RBOC | More |
| 629 | 304 | FRANKLIN | Tennessee | ONVOY SPECTRUM, LLC | | More |
| 630 | 304 | LA GRANGE | Illinois | INDIANA PAGING NETWORK, INC. | WIRELESS PROV | More |
| 631 | 304 | BRENTWOOD | New York | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY | WIRELESS PROV | More |
| 646 | 304 | NEW YORK CITY ZONE | New York | BROADVIEW NETWORKS, INC. - NY | CLEC | More |
| 650 | 304 | SAN CARLOS-BELMONT | California | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 651 | 304 | MINNEAPOLIS | Minnesota | LEVEL 3 COMMUNICATIONS, LLC - MN | | More |
| 657 | 304 | SANTA ANA | California | LEVEL 3 COMMUNICATIONS, LLC - CA | CLEC | More |
| 661 | 304 | BAKERSFIELD: MAIN D | California | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 662 | 304 | ABERDEEN | Mississippi | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MS | WIRELESS PROV | More |
| 667 | 304 | ESSEX | Maryland | BANDWIDTH.COM CLEC, LLC - MD | | More |
| 669 | 304 | MORGANHILL | California | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 678 | 304 | ATLANTA | Georgia | US LEC OF GEORGIA, INC. | CLEC | More |
| 681 | 304 | MORGANTOWN | West Virginia | DISH WIRELESS, LLC | | More |
| 682 | 304 | ARLINGTON | Texas | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX | WIRELESS PROV | More |
| 689 | 304 | ORLANDO | Florida | NUSO, LLC | | More |
| 701 | 304 | LAKOTA | North Dakota | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 702 | 304 | LAS VEGAS | Nevada | CENTRAL TEL. CO. - NEVADA DBA CENTURYLINK | IND. TELCO | More |
| 703 | 304 | WASHINGTON ZONE 8 | Virginia | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA | WIRELESS PROV | More |
| 704 | 304 | CHARLOTTE | North Carolina | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 705 | 304 | Peterborough | Ontario | Iristel Inc. | | More |
| 706 | 304 | COLUMBUS | Georgia | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - GA | WIRELESS PROV | More |
| 707 | 304 | SANTA ROSA | California | METROPCS, INC. | | More |
| 708 | 304 | CRETE | Illinois | COMCAST IP PHONE, LLC | | More |
| 709 | 304 | Twillingate | Newfoundland | Aliant Telecom (Mobility) | | More |
| 712 | 304 | COUNCIL BLUFFS | Nebraska | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | WIRELESS PROV | More |
| 713 | 304 | HOUSTON | Texas | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 714 | 304 | ANAHEIM | California | AMERICAN MESSAGING SERVICES, LLC | | More |
| 715 | 304 | MILWAUKEE | Wisconsin | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 716 | 304 | BUFFALO | New York | PAETEC COMMUNICATIONS, INC. - NY | CLEC | More |
| 717 | 304 | LEBANON | Pennsylvania | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA | WIRELESS PROV | More |
| 718 | 304 | NEW YORK | New York | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | CLEC | More |
| 719 | 304 | COLORDOSPG | Colorado | ILOKA, INC. DBA NEWCLOUD NETWORKS - CO | | More |
| 720 | 304 | BOULDER | Colorado | QWEST CORPORATION | RBOC | More |
| 724 | 304 | PITTSBURG | Pennsylvania | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA | CLEC | More |
| 725 | 304 | LAS VEGAS | Nevada | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 727 | 304 | CLEARWATER | Florida | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - FL | WIRELESS PROV | More |
| 731 | 304 | JACKSON | Tennessee | SPRINT SPECTRUM L.P. | PCS | More |
| 732 | 304 | SOUTH RIVER | New Jersey | USA MOBILITY WIRELESS, INC. | WIRELESS PROV | More |
| 734 | 304 | TRENTON | Michigan | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI | CLEC | More |
| 737 | 304 | AUSTIN | Texas | ONVOY SPECTRUM, LLC | | More |
| 740 | 304 | COLUMBUS | Ohio | AERIAL COMMUNICATIONS, INC. | WIRELESS PROV | More |
| 747 | 304 | VAN NUYS | California | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 754 | 304 | FTLAUDERDL | Florida | OMNIPOINT MIAMI E LICENSE, LLC | PCS | More |
| 757 | 304 | FRANKLIN | Virginia | NEW CINGULAR WIRELESS PCS, LLC - DC | WIRELESS PROV | More |
| 760 | 304 | SAN DIEGO | California | TELEPORT COMMUNICATIONS AMERICA, LLC - CA | CLEC | More |
| 762 | 304 | BLUE RIDGE | Georgia | POWERTEL ATLANTA LICENSES, INC. | WIRELESS PROV | More |
| 763 | 304 | OSSEO | Minnesota | SPRINT SPECTRUM L.P. | PCS | More |
| 765 | 304 | MAYS | Indiana | LEVEL 3 COMMUNICATIONS, LLC - IN | CLEC | More |
| 769 | 304 | HATTIESBG | Mississippi | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 770 | 304 | NEWNAN | Georgia | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 772 | 304 | HOBE SOUND | Florida | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - FL | WIRELESS PROV | More |
| 773 | 304 | CHICAGO ZONE | Illinois | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | CLEC | More |
| 774 | 304 | SOUTHBDG | Massachusetts | TC SYSTEMS, INC. | CAP | More |
| 774 | 304 | SOUTHBDG | Massachusetts | PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA | | More |
| 775 | 304 | WINNEMUCCA | Nevada | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NV | WIRELESS PROV | More |
| 779 | 304 | RUTLAND | Illinois | STRATUS NETWORKS | | More |
| 780 | 304 | Hay Lakes | Alberta | Bell Mobility | WIRELESS PROV | More |
| 781 | 304 | BOSTON | Massachusetts | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | CLEC | More |
| 785 | 304 | GARNETT | Kansas | AERIAL COMMUNICATIONS, INC. | WIRELESS PROV | More |
| 786 | 304 | MIAMI | Florida | METROPCS, INC. | | More |
| 787 | 304 | GUAYNABO | Puerto Rico | OPTIVON TELECOMMUNICATIONS SERVICES, INC. - PR | | More |
| 801 | 304 | MIDVALE | Utah | QWEST CORPORATION | RBOC | More |
| 802 | 304 | BURLINGTON | Vermont | LEVEL 3 COMMUNICATIONS, LLC - VT | | More |
| 803 | 304 | COLUMBIA | South Carolina | USA MOBILITY WIRELESS, INC. | WIRELESS PROV | More |
| 804 | 304 | RICHMOND | Virginia | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | WIRELESS PROV | More |
| 805 | 304 | SIMI VALLEY | California | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 806 | 304 | CANADIAN | Texas | ONVOY, LLC - TX | | More |
| 808 | 304 | HONOLULU | Hawaii | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 810 | 304 | DETROIT | Michigan | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI | WIRELESS PROV | More |
| 812 | 304 | PRINCETON | Indiana | POWERTEL KENTUCKY LICENSES, INC. | | More |
| 813 | 304 | TAMPA | Florida | AERIAL COMMUNICATIONS, INC. | WIRELESS PROV | More |
| 814 | 304 | ERIE | Pennsylvania | NORTH PENN LONG DISTANCE CORPORATION | | More |
| 815 | 304 | ELK GROVE | Illinois | LEVEL 3 COMMUNICATIONS, LLC - IL | CLEC | More |
| 816 | 304 | INDEPENDENCE | Missouri | AERIAL COMMUNICATIONS, INC. | WIRELESS PROV | More |
| 817 | 304 | WEATHERFORD | Texas | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 818 | 304 | LOS ANGELES | California | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | CLEC | More |
| 819 | 304 | Nominingue | Quebec | Bell Mobility | WIRELESS PROV | More |
| 828 | 304 | HICKORY | North Carolina | CENTRAL TEL. CO. OF NC DBA CENTURYLINK | IND. TELCO | More |
| 830 | 304 | FREDECKSBG | Texas | HILL COUNTRY TELECOMMUNICATIONS, LLC - TX | | More |
| 831 | 304 | SALINAS | California | PEERLESS NETWORK OF CALIFORNIA, LLC - CA | | More |
| 832 | 304 | DEER PARK | Texas | BANDWIDTH.COM CLEC, LLC - TX | | More |
| 843 | 304 | GOLDEN GATE-NAPLES | Florida | SUNCOM DBA T-MOBILE USA | PCS | More |
| 845 | 304 | NEW CITY | New York | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY | WIRELESS PROV | More |
| 847 | 304 | BARRINGTON | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 848 | 304 | RAHWAY | New Jersey | ONVOY, LLC - NJ | | More |
| 850 | 304 | MONTGOMERY | Alabama | METROPCS, INC. | | More |
| 856 | 304 | HADDONFIELD | New Jersey | NEW CINGULAR WIRELESS PCS, LLC - DC | WIRELESS PROV | More |
| 857 | 304 | WATERTOWN | Massachusetts | TC SYSTEMS, INC. | CAP | More |
| 858 | 304 | SAN DIEGO | California | AT&T - LOCAL | CLEC | More |
| 859 | 304 | LANCASTER | Kentucky | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - KY | WIRELESS PROV | More |
| 860 | 304 | OLD SAYBROOK | Connecticut | NEW CINGULAR WIRELESS PCS, LLC - DC | WIRELESS PROV | More |
| 862 | 304 | PASSAIC | New Jersey | METROPCS, INC. | | More |
| 863 | 304 | SEBRING | Florida | METROPCS, INC. | | More |
| 864 | 304 | GREENVILLE | South Carolina | SUNCOM DBA T-MOBILE USA | PCS | More |
| 865 | 304 | JEFFERSNCY | Tennessee | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN | WIRELESS PROV | More |
| 870 | 304 | CROSSETT | Arkansas | WINDSTREAM ARKANSAS, INC. | IND. TELCO | More |
| 872 | 304 | CHICGOZN03 | Illinois | ONVOY, LLC | | More |
| 901 | 304 | MEMPHIS | Tennessee | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 902 | 304 | Sydney | Nova Scotia | TELUS Mobility | PCS | More |
| 903 | 304 | ORE CITY | Texas | LEVEL 3 COMMUNICATIONS, LLC - TX | CLEC | More |
| 904 | 304 | JACKSONVL | Florida | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 905 | 304 | ANCASTER | Ontario | Bell Canada | IND. TELCO | More |
| 906 | 304 | CARNEY | Michigan | RANGE TELECOMMUNICATIONS | CLEC | More |
| 907 | 304 | CHUGIAK | Alaska | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 908 | 304 | BEDMINSTER | New Jersey | VERIZON NEW JERSEY, INC. | RBOC | More |
| 909 | 304 | MURRIETA | California | PEERLESS NETWORK OF CALIFORNIA, LLC - CA | | More |
| 910 | 304 | DUNN | North Carolina | METROPCS, INC. | | More |
| 912 | 304 | LUMBERCITY | Georgia | MCC TELEPHONY OF GEORGIA, LLC - GA | | More |
| 913 | 304 | KANSASCITY | Kansas | AERIAL COMMUNICATIONS, INC. | WIRELESS PROV | More |
| 914 | 304 | NEW YORK | New York | TC SYSTEMS, INC. - NY | CAP | More |
| 915 | 304 | EL PASO | Texas | TIME WARNER CBLE INFO SVC (TX) DBA TIME WARNER CBL | | More |
| 916 | 304 | SACRAMENTO | California | MATRIX TELECOM, LLC. S/I/I TNCI - CA | CLEC | More |
| 917 | 304 | MANHATTAN | New York | OMNIPOINT COMMUNICATIONS, INC. - NY | WIRELESS PROV | More |
| 918 | 304 | OKMULGEE | Oklahoma | SOUTHWESTERN BELL | RBOC | More |
| 919 | 304 | MEBANE | North Carolina | MEBTEL, INC. DBA CENTURYLINK | IND. TELCO | More |
| 920 | 304 | KEWAUNEE | Wisconsin | UNITED STATES CELLULAR - WI | WIRELESS PROV | More |
| 925 | 304 | WALNUT CREEK | California | LEVEL 3 COMMUNICATIONS, LLC - CA | CLEC | More |
| 928 | 304 | YUMA | Arizona | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ | WIRELESS PROV | More |
| 929 | 304 | NWYRCYZN03 | New York | OMNIPOINT COMMUNICATIONS, INC. - NY | WIRELESS PROV | More |
| 931 | 304 | NASHVILLE | Tennessee | LEVEL 3 COMMUNICATIONS, LLC - TN | CLEC | More |
| 936 | 304 | HULL | Texas | BANDWIDTH.COM CLEC, LLC - TX | | More |
| 937 | 304 | CINCINNATI | Ohio | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 939 | 304 | BAYAMONNOR | Puerto Rico | PUERTO RICO TELCO DBA CLARO PUERTO RICO | WIRELESS PROV | More |
| 940 | 304 | DENTON | Texas | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX | WIRELESS PROV | More |
| 941 | 304 | GOLDEN GATE-NAPLES | Florida | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 945 | 304 | MCKINNEY | Texas | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX | WIRELESS PROV | More |
| 949 | 304 | CAPITRNVLY | California | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 951 | 304 | MURRIETA | California | FRONTIER CALIFORNIA INC. | IND. TELCO | More |
| 954 | 304 | DEERFIELD BEACH | Florida | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 956 | 304 | RAYMONDVL | Texas | ONVOY, LLC - TX | | More |
| 970 | 304 | GREELEY | Colorado | QWEST CORPORATION | RBOC | More |
| 971 | 304 | SALEM | Oregon | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 972 | 304 | LEWISVILLE | Texas | FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS | IND. TELCO | More |
| 973 | 304 | HALEDON | New Jersey | VERIZON NEW JERSEY, INC. | RBOC | More |
| 978 | 304 | FOXBORO | Massachusetts | COMCAST IP PHONE, LLC | | More |
| 979 | 304 | GIDDINGS | Texas | AERIAL COMMUNICATIONS, INC. | WIRELESS PROV | More |
| 980 | 304 | NEW SALEM | North Carolina | LEVEL 3 COMMUNICATIONS, LLC - NC | | More |
| 984 | 304 | RALEIGH | North Carolina | BUSINESS TELECOM, INC. DBA BTI - NC | CLEC | More |
| 985 | 304 | CHACKBAY | Louisiana | ONVOY, LLC - LA | | More |
| 989 | 304 | EDMORE | Michigan | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI | WIRELESS PROV | More |
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