Area
Code | Prefix | City/Switch Name
(Click for city search) | State/Prov.
Area Map | Telephone Company
Web link | Telco
Type | More
Info |
|---|
| 201 | 556 | HACKENSACK | New Jersey | VERIZON NEW JERSEY, INC. | RBOC | More |
| 202 | 556 | WSHNGTNZN1 | District of Columbia | METROPCS, INC. | | More |
| 203 | 556 | BRIDGEPORT | Connecticut | NEW CINGULAR WIRELESS PCS, LLC - DC | WIRELESS PROV | More |
| 204 | 556 | CROMER | Manitoba | MTS Inc. | IND. TELCO | More |
| 205 | 556 | TUSCALOOSA | Alabama | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | RBOC | More |
| 206 | 556 | SEATTLE | Washington | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA | | More |
| 207 | 556 | WESTBROOK | Maine | AT&T - LOCAL | CLEC | More |
| 208 | 556 | WALLACE | Idaho | ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER | IND. TELCO | More |
| 209 | 556 | MODESTO | California | PACIFIC BELL | RBOC | More |
| 210 | 556 | SANANTONIO | Texas | XO TEXAS, INC. | CLEC | More |
| 212 | 556 | NWYRCYZN01 | New York | VERIZON NEW YORK, INC. | RBOC | More |
| 213 | 556 | LSAN DA 09 | California | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 214 | 556 | PLANO | Texas | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | CLEC | More |
| 215 | 556 | PHLDLPHZN1 | Pennsylvania | NEW CINGULAR WIRELESS PCS, LLC - DC | WIRELESS PROV | More |
| 216 | 556 | CLEVELAND | Ohio | OHIO BELL TEL CO | RBOC | More |
| 217 | 556 | LITCHFIELD | Illinois | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 218 | 556 | BEMIDJI | Minnesota | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MN | | More |
| 224 | 556 | ALGONQUIN | Illinois | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 226 | 556 | Ayr | Ontario | Fibernetics Corporation | | More |
| 229 | 556 | TIFTON | Georgia | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 231 | 556 | CHARLEVOIX | Michigan | LUCRE, INC. | CLEC | More |
| 240 | 556 | WSNG236Z14 | Maryland | PAETEC COMMUNICATIONS, INC. - MD | CLEC | More |
| 248 | 556 | ROYAL OAK | Michigan | TALK AMERICA INC. - MI | | More |
| 250 | 556 | Chetwynd | British Columbia | Bell Mobility | WIRELESS PROV | More |
| 251 | 556 | FINCHBURG | Alabama | ONVOY, LLC - AL | | More |
| 252 | 556 | MOREHEADCY | North Carolina | BANDWIDTH.COM CLEC, LLC - NC | | More |
| 254 | 556 | BREMOND | Texas | ONVOY, LLC - TX | | More |
| 256 | 556 | DECATUR | Alabama | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 267 | 556 | PHPHSBZN42 | Pennsylvania | LEVEL 3 COMMUNICATIONS, LLC - PA | CLEC | More |
| 269 | 556 | ST JOSEPH | Michigan | MICHIGAN BELL TEL CO | RBOC | More |
| 270 | 556 | PADUCAH | Kentucky | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 281 | 556 | HSTNSUBURB | Texas | SOUTHWESTERN BELL | RBOC | More |
| 301 | 556 | GAITHERSBG | District of Columbia | TELEPORT COMMUNICATIONS AMERICA, LLC - DC | CLEC | More |
| 302 | 556 | DELMAR | Delaware | ONVOY, LLC - DE | | More |
| 303 | 556 | DENVER | Colorado | QWEST CORPORATION | RBOC | More |
| 304 | 556 | CHRLSTNZN1 | West Virginia | FRONTIER WEST VIRGINIA INC. | RBOC | More |
| 305 | 556 | MIAMI | Florida | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 307 | 556 | RIVERTON | Wyoming | ONVOY, LLC - WY | | More |
| 309 | 556 | BLOOMINGTN | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 310 | 556 | BEVERLYHLS | California | PACIFIC BELL | RBOC | More |
| 312 | 556 | CHICGOZN01 | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 313 | 556 | DETROITZN1 | Michigan | MICHIGAN BELL TEL CO | RBOC | More |
| 314 | 556 | ST LOUIS | Missouri | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 315 | 556 | LITTLE FLS | New York | LEVEL 3 COMMUNICATIONS, LLC - NY | CLEC | More |
| 316 | 556 | WICHITA | Kansas | SOUTHWESTERN BELL | RBOC | More |
| 317 | 556 | INDIANAPOLIS | Indiana | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 318 | 556 | BASTROP | Louisiana | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | RBOC | More |
| 319 | 556 | DUBUQUE | Iowa | QWEST CORPORATION | RBOC | More |
| 320 | 556 | BOCK | Minnesota | BENTON COOP. TEL. CO. | IND. TELCO | More |
| 323 | 556 | LSAN DA 13 | California | U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS | | More |
| 330 | 556 | NEWPHLDLPH | Ohio | LEVEL 3 COMMUNICATIONS, LLC - OH | CLEC | More |
| 334 | 556 | MIDLAND CY | Alabama | DELTACOM, INC. - AL | CLEC | More |
| 336 | 556 | GREENSBORO | North Carolina | USA MOBILITY WIRELESS, INC. | WIRELESS PROV | More |
| 337 | 556 | CHURCH PT | Louisiana | BANDWIDTH.COM CLEC, LLC - LA | | More |
| 346 | 556 | HOUSTON | Texas | U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS | | More |
| 347 | 556 | NWYRCYZN08 | New York | NEW CINGULAR WIRELESS PCS, LLC - DC | WIRELESS PROV | More |
| 352 | 556 | WEEKICHSPG | Florida | DELTACOM, INC. - FL | CLEC | More |
| 360 | 556 | OLYMPIA | Washington | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 361 | 556 | ROCKPORT | Texas | ONVOY, LLC - TX | | More |
| 385 | 556 | MIDVALE | Utah | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 401 | 556 | PROVIDENCE | Rhode Island | NEW CINGULAR WIRELESS PCS, LLC - DC | WIRELESS PROV | More |
| 402 | 556 | OMAHA | Nebraska | QWEST CORPORATION | RBOC | More |
| 403 | 556 | OLDS | Alberta | TELUS | IND. TELCO | More |
| 404 | 556 | ATLANTA | Georgia | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - GA | WIRELESS PROV | More |
| 405 | 556 | OKLA CITY | Oklahoma | SOUTHWESTERN BELL | RBOC | More |
| 406 | 556 | BOZEMAN | Montana | QWEST CORPORATION | RBOC | More |
| 407 | 556 | ST CLOUD | Florida | TELEPORT COMMUNICATIONS AMERICA, LLC - FL | CLEC | More |
| 408 | 556 | SNJS WEST | California | PACIFIC BELL | RBOC | More |
| 410 | 556 | CHURCHHILL | Maryland | VERIZON MARYLAND, INC. | RBOC | More |
| 412 | 556 | PTTSBGZON1 | Pennsylvania | ONVOY, LLC - PA | | More |
| 413 | 556 | CHESTER | Massachusetts | CHOICE ONE COMMUNICATIONS, INC. - MA | CLEC | More |
| 415 | 556 | SNFC CNTRL | California | PACIFIC BELL | RBOC | More |
| 416 | 556 | Toronto | Ontario | Bell Mobility | WIRELESS PROV | More |
| 417 | 556 | MANSFIELD | Missouri | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO | CLEC | More |
| 418 | 556 | Matane | Quebec | TELUS Quebec | IND. TELCO | More |
| 419 | 556 | GIBSONBURG | Ohio | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH | CLEC | More |
| 423 | 556 | SODDYDAISY | Tennessee | BANDWIDTH.COM CLEC, LLC - TN | | More |
| 425 | 556 | KIRKLAND | Washington | ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER | IND. TELCO | More |
| 432 | 556 | TERMINAL | Texas | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX | WIRELESS PROV | More |
| 440 | 556 | VICTORY | Ohio | GLOBAL CROSSING LOCAL SERVICES, INC. - OH | CLEC | More |
| 443 | 556 | COCKEYSVL | Maryland | VERIZON MARYLAND, INC. | RBOC | More |
| 450 | 556 | Sorel | Quebec | Videotron General Partnership | CLEC | More |
| 469 | 556 | GRANDPRARI | Texas | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 470 | 556 | WINDER | Georgia | POWERTEL ATLANTA LICENSES, INC. | WIRELESS PROV | More |
| 480 | 556 | PHOENIX | Arizona | QWEST CORPORATION | RBOC | More |
| 484 | 556 | GLENMOORE | Pennsylvania | CAVALIER TELEPHONE LLC (MID-ATLANTIC) - PA | CLEC | More |
| 501 | 556 | ROSE BUD | Arkansas | WINDSTREAM ARKANSAS, INC. | IND. TELCO | More |
| 502 | 556 | BLOOMFIELD | Kentucky | ONVOY, LLC - KY | | More |
| 503 | 556 | RAINIER | Oregon | QWEST CORPORATION | RBOC | More |
| 504 | 556 | NEWORLEANS | Louisiana | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | RBOC | More |
| 505 | 556 | LAS CRUCES | New Mexico | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 507 | 556 | CALEDONIA | Minnesota | BANDWIDTH.COM CLEC, LLC - MN | | More |
| 508 | 556 | WORCESTER | Massachusetts | LEVEL 3 COMMUNICATIONS, LLC - MA | CLEC | More |
| 509 | 556 | MT HULL | Washington | SKYLINE TELECOM COMPANY - WA | | More |
| 510 | 556 | FRNK MAIN | California | LEVEL 3 COMMUNICATIONS, LLC - CA | CLEC | More |
| 512 | 556 | LAMPASAS | Texas | SOUTHWESTERN BELL | RBOC | More |
| 513 | 556 | CINCINNATI | Ohio | CINCINNATI BELL | IND. TELCO | More |
| 514 | 556 | MONTREAL | Quebec | MTS Allstream Inc. | CLEC | More |
| 515 | 556 | DES MOINES | Iowa | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 516 | 556 | SELDEN | New York | ZCALL.COM, INC. | | More |
| 517 | 556 | MAYVILLE | Michigan | USA MOBILITY WIRELESS, INC. | WIRELESS PROV | More |
| 518 | 556 | COLONIE | New York | WIDE VOICE, LLC - NY | | More |
| 519 | 556 | Baden | Ontario | Execulink Telecom Inc. | IND. TELCO | More |
| 520 | 556 | FLAGSTAFF | Arizona | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 530 | 556 | SHINGLESPG | California | COMCAST IP PHONE, LLC | | More |
| 540 | 556 | ROANOKE | Virginia | NEW CINGULAR WIRELESS PCS, LLC - DC | WIRELESS PROV | More |
| 541 | 556 | EUGENE | Oregon | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR | | More |
| 551 | 556 | UNION CITY | New Jersey | OMNIPOINT COMMUNICATIONS, INC. - NJ | WIRELESS PROV | More |
| 559 | 556 | TULARE | California | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 561 | 556 | WPALMBEACH | Florida | ONVOY, LLC - FL | | More |
| 562 | 556 | WHITTIER | California | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 563 | 556 | DUBUQUE | Iowa | QWEST CORPORATION | RBOC | More |
| 570 | 556 | SUNBURY | Ohio | METROPCS, INC. | | More |
| 571 | 556 | BRADDOCK | Virginia | ONVOY, LLC - VA | | More |
| 573 | 556 | JEFFERSNCY | Missouri | EMBARQ MISSOURI, INC. DBA CENTURYLINK - MO | IND. TELCO | More |
| 574 | 556 | SOUTH BEND | Indiana | INDIANA BELL TEL CO INC | RBOC | More |
| 575 | 556 | LAS CRUCES | New Mexico | QWEST CORPORATION | RBOC | More |
| 580 | 556 | STONEWALL | Oklahoma | ONVOY, LLC - OK | | More |
| 585 | 556 | DARIEN | New York | ONVOY, LLC- NY | | More |
| 586 | 556 | WARREN | Michigan | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 601 | 556 | XXXXXXXXXX | Mississippi | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | RBOC | More |
| 603 | 556 | LACONIA | New Hampshire | LEVEL 3 COMMUNICATIONS, LLC - NH | CLEC | More |
| 604 | 556 | ABBOTSFORD | British Columbia | TELUS | IND. TELCO | More |
| 605 | 556 | MADISON | South Dakota | MIDCONTINENT COMMUNICATIONS. - SD | CLEC | More |
| 608 | 556 | MADISON | Wisconsin | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 609 | 556 | FORT DIX | New Jersey | ATX TELECOMMUNICATIONS SERVICES, LTD. | | More |
| 610 | 556 | XXXXXXXXXX | Pennsylvania | SERVICE ELECTRIC TELEPHONE COMPANY, LLC | CLEC | More |
| 613 | 556 | OTTAWA | Ontario | Fido Solutions Inc. | | More |
| 614 | 556 | COLUMBUS | Ohio | AERIAL COMMUNICATIONS, INC. | WIRELESS PROV | More |
| 615 | 556 | MURFREESBO | Tennessee | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 616 | 556 | SAINT JOSEPH | Michigan | MICHIGAN BELL TEL CO - MI | RBOC | More |
| 617 | 556 | BOSTON | Massachusetts | VERIZON NEW ENGLAND INC. | RBOC | More |
| 618 | 556 | JERSEYVL | Illinois | UNITED STATES CELLULAR - IL | WIRELESS PROV | More |
| 619 | 556 | SNDG SNDG | California | PACIFIC BELL | RBOC | More |
| 620 | 556 | LIBERAL | Kansas | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 623 | 556 | PHOENIX | Arizona | QWEST CORPORATION | RBOC | More |
| 626 | 556 | ALHAMBRA | California | BLUIP, INC. | | More |
| 630 | 556 | BIG ROCK | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 631 | 556 | BRENTWOOD | New York | ZCALL.COM, INC. | | More |
| 636 | 556 | SAINT LOUIS | Missouri | GLOBAL CROSSING LOCAL SERVICES, INC. - MO | CLEC | More |
| 646 | 556 | NWYRCYZN01 | New York | VERIZON NEW YORK, INC. | RBOC | More |
| 647 | 556 | Toronto | Ontario | Iristel Inc. | | More |
| 650 | 556 | REDWOOD CITY | California | PACIFIC BELL | RBOC | More |
| 651 | 556 | TWINCITIES | Minnesota | CENTURYLINK COMMUNICATIONS LLC - MN | CLEC | More |
| 657 | 556 | CYPRESS | California | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 660 | 556 | WARSAW | Missouri | AERIAL COMMUNICATIONS, INC. | WIRELESS PROV | More |
| 661 | 556 | BKFD SOUTH | California | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | WIRELESS PROV | More |
| 662 | 556 | ASHLAND | Mississippi | DIXIE NET COMMUNICATIONS, LLC | CLEC | More |
| 678 | 556 | SMYRNA | Georgia | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 682 | 556 | ARLINGTON | Texas | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 701 | 556 | STEELE | North Dakota | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 702 | 556 | LAS VEGAS | Nevada | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NV | WIRELESS PROV | More |
| 703 | 556 | WASZ 17 | Virginia | VERIZON VIRGINIA, INC. | RBOC | More |
| 704 | 556 | CHARLOTTE | North Carolina | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 705 | 556 | Lively | Ontario | MTS Allstream Inc. | CLEC | More |
| 706 | 556 | HARLEM | Georgia | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 707 | 556 | VALLEJO | California | PACIFIC BELL | RBOC | More |
| 708 | 556 | FOREST | Illinois | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 709 | 556 | Arnold's Cove | Newfoundland | Bragg Communications Inc. | CLEC | More |
| 713 | 556 | HOUSTON | Texas | SOUTHWESTERN BELL | RBOC | More |
| 714 | 556 | SANTA ANA | California | PACIFIC BELL | RBOC | More |
| 715 | 556 | MENOMONIE | Wisconsin | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 716 | 556 | BUFFALO | New York | USA MOBILITY WIRELESS, INC. | WIRELESS PROV | More |
| 717 | 556 | LEOLA | Pennsylvania | FRONTIER COMMUNICATIONS OF PENNSYLVANIA, LLC | IND. TELCO | More |
| 718 | 556 | NYCZ 14 | New York | VERIZON NEW YORK, INC. | RBOC | More |
| 719 | 556 | COLORADO SPRINGS | Colorado | QWEST CORPORATION | RBOC | More |
| 720 | 556 | DENVER | Colorado | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO | WIRELESS PROV | More |
| 724 | 556 | PITTSBURGH | Pennsylvania | METROPCS, INC. | | More |
| 727 | 556 | FEATHER SOUND | Florida | FRONTIER FLORIDA LLC DBA FRONTIER COMM OF FLORIDA | IND. TELCO | More |
| 732 | 556 | SPRING LAKE | New Jersey | VERIZON NEW JERSEY, INC. | RBOC | More |
| 734 | 556 | SOUTHFIELD | Michigan | GLOBAL CROSSING TELEMANAGEMENT, INC. - MI | CLEC | More |
| 740 | 556 | LANCASTER | Ohio | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 757 | 556 | COURTLAND | Virginia | METROPCS, INC. | | More |
| 760 | 556 | RIVERSIDE | California | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 765 | 556 | INDIANAPOLIS | Indiana | ONVOY SPECTRUM, LLC | | More |
| 770 | 556 | NORCROSS | Georgia | MERRYVILLE INVESTMENTS, LTD DBA BEST PAGE | WIRELESS PROV | More |
| 773 | 556 | CHICAGO ZONE 3 | Illinois | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 774 | 556 | MARLBORO | Massachusetts | PACOPTIC NETWORKS, LLC - MA | | More |
| 775 | 556 | RENO | Nevada | LEVEL 3 COMMUNICATIONS, LLC - NV | CLEC | More |
| 780 | 556 | Edson | Alberta | Bell Mobility | WIRELESS PROV | More |
| 781 | 556 | BOSTON(2) | Massachusetts | TC SYSTEMS, INC. | CAP | More |
| 785 | 556 | MANHATTAN | Kansas | UNITED STATES CELLULAR - KS | WIRELESS PROV | More |
| 786 | 556 | MIAMI | Florida | OMNIPOINT MIAMI E LICENSE, LLC | PCS | More |
| 787 | 556 | SANTRUCE | Puerto Rico | SUNCOM DBA T-MOBILE USA | PCS | More |
| 801 | 556 | SALT LAKE CITY | Utah | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 802 | 556 | BURLINGTON | Vermont | NATIONAL MOBILE COMMUNICATIONS CORPORATION - VT | | More |
| 803 | 556 | COLUMBIA | South Carolina | SUNCOM DBA T-MOBILE USA | PCS | More |
| 804 | 556 | GOOCHLAND | Virginia | VERIZON VIRGINIA, INC. | RBOC | More |
| 805 | 556 | PISMO BEACH | California | PACIFIC BELL | RBOC | More |
| 806 | 556 | LUBBOCK | Texas | BANDWIDTH.COM CLEC, LLC - TX | | More |
| 808 | 556 | HAWAII | Hawaii | HAWAIIAN TELCOM, INC. - HI | IND. TELCO | More |
| 810 | 556 | WARREN | Michigan | NEW CINGULAR WIRELESS PCS, LLC - MI | WIRELESS PROV | More |
| 812 | 556 | EVANSVILLE | Indiana | FULLNET ADVANCED COMMUNICATIONS, INC. - IN | | More |
| 813 | 556 | TAMPACEN | Florida | LEVEL 3 COMMUNICATIONS, LLC - FL | CLEC | More |
| 814 | 556 | WARREN | Pennsylvania | NUSO, LLC | | More |
| 815 | 556 | CHICAGO | Illinois | LEVEL 3 COMMUNICATIONS, LLC - IL | CLEC | More |
| 816 | 556 | KANSAS CITY MCGEE | Missouri | SOUTHWESTERN BELL | RBOC | More |
| 817 | 556 | CLEBURNE | Texas | SOUTHWESTERN BELL | RBOC | More |
| 818 | 556 | BURBANK | California | PACIFIC BELL | RBOC | More |
| 819 | 556 | Shawinigan | Quebec | Telecommunications Xittel Inc | | More |
| 828 | 556 | BREVARD | North Carolina | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC | WIRELESS PROV | More |
| 830 | 556 | SEGUIN | Texas | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 831 | 556 | MONTEREY | California | ALPINE PCS, INC. | PCS | More |
| 832 | 556 | BAYTOWN | Texas | FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS | IND. TELCO | More |
| 843 | 556 | CHARLESTON | South Carolina | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 845 | 556 | SPRING VALLEY | New York | USA MOBILITY WIRELESS, INC. | WIRELESS PROV | More |
| 847 | 556 | CHICAGO | Illinois | LEVEL 3 COMMUNICATIONS, LLC - IL | CLEC | More |
| 850 | 556 | TALLAHASSEE | Florida | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - FL | WIRELESS PROV | More |
| 856 | 556 | PITMAN | New Jersey | NETCARRIER TELECOM, INC. - NJ | | More |
| 859 | 556 | WINCHESTER | Kentucky | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - KY | WIRELESS PROV | More |
| 860 | 556 | CONNECTICUT | Connecticut | TELEPORT COMMUNICATIONS AMERICA, LLC - CT | CAP | More |
| 864 | 556 | ANDERSON | South Carolina | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SC | WIRELESS PROV | More |
| 865 | 556 | KNOXVILLE | Tennessee | UNITED STATES CELLULAR - TN | WIRELESS PROV | More |
| 870 | 556 | PINE BLUFF | Arkansas | DISH WIRELESS, LLC | | More |
| 901 | 556 | XXXXXXXXXX | Tennessee | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | RBOC | More |
| 902 | 556 | CHARLOTTETOWN | PE | Aliant Telecom (PEI) | IND. TELCO | More |
| 903 | 556 | TEXARKANA | Texas | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX | WIRELESS PROV | More |
| 904 | 556 | JACKSONVILLE | Florida | METROPCS, INC. | | More |
| 905 | 556 | Whitby | Ontario | Rogers Communications Partnership (Cable) | CLEC | More |
| 907 | 556 | QUINHAGAK | Alaska | UNITED UTILITIES, INC. | IND. TELCO | More |
| 908 | 556 | CRANFORD | New Jersey | BANDWIDTH.COM CLEC, LLC - NJ | | More |
| 909 | 556 | SAN BERNARDINO | California | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 910 | 556 | FAYETTEVILLE | North Carolina | LEVEL 3 COMMUNICATIONS, LLC - NC | | More |
| 912 | 556 | TIFTON | Georgia | IP HORIZON LLC | | More |
| 914 | 556 | WHITE PLAINS | New York | TC SYSTEMS, INC. - NY | CAP | More |
| 915 | 556 | MIDLAND | Texas | WESTERN WIRELESS CORPORATION-TX | WIRELESS PROV | More |
| 916 | 556 | SACRAMENTO | California | PACIFIC BELL | RBOC | More |
| 917 | 556 | NEW YORK CITY ZONE | New York | USA MOBILITY WIRELESS, INC. | WIRELESS PROV | More |
| 918 | 556 | TULSA | Oklahoma | WESTERN COMMUNICATIONS, INC DBA LOGIX COMM - OK | CLEC | More |
| 919 | 556 | WAKE FOREST | North Carolina | CAROLINA TEL AND TEL CO., LLC DBA CENTURYLINK | IND. TELCO | More |
| 920 | 556 | GREEN BAY | Wisconsin | AMERICAN MESSAGING SERVICES, LLC | | More |
| 925 | 556 | SAN RAMON | California | PACIFIC BELL | RBOC | More |
| 928 | 556 | FLAGSTAFF | Arizona | QWEST CORPORATION | RBOC | More |
| 929 | 556 | NWYRCYZN13 | New York | BANDWIDTH.COM CLEC, LLC - NY | | More |
| 931 | 556 | FIVE POINTS | Tennessee | LORETTO TEL. CO., INC. | IND. TELCO | More |
| 936 | 556 | NACOGDOCHES | Texas | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 937 | 556 | WILMINGTON | Ohio | LEVEL 3 COMMUNICATIONS, LLC - OH | CLEC | More |
| 940 | 556 | AUBREY | Texas | AT&T WIRELESS SERVICES | WIRELESS PROV | More |
| 941 | 556 | WINTER HAVEN | Florida | WINDSTREAM NUVOX, INC. | CLEC | More |
| 949 | 556 | IRVINE | California | LEVEL 3 COMMUNICATIONS, LLC - CA | CLEC | More |
| 951 | 556 | ARLINGTON | California | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | WIRELESS PROV | More |
| 952 | 556 | CHASKA | Minnesota | CENTURYLINK OF MINNESOTA, INC. | IND. TELCO | More |
| 954 | 556 | WEST PALM GARDENS | Florida | PAETEC COMMUNICATIONS, INC. - FL | CLEC | More |
| 956 | 556 | LOSFRESNOS | Texas | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX | WIRELESS PROV | More |
| 970 | 556 | FORT COLLINS | Colorado | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 972 | 556 | DALLAS NORTHLAKE | Texas | SOUTHWESTERN BELL | RBOC | More |
| 973 | 556 | ROCHELLE PARK | New Jersey | TELEPORT COMMUNICATIONS AMERICA, LLC - NJ | CAP | More |
| 978 | 556 | HAVERHILL | Massachusetts | VERIZON NEW ENGLAND INC. | RBOC | More |
| 979 | 556 | LEXINGTON | Texas | TEXAS COMMUNICATIONS, INC. | WIRELESS PROV | More |
| 980 | 556 | CHARLOTTE | North Carolina | SOUTH CAROLINA NET, INC. - NC | | More |
| 989 | 556 | MAYVILLE | Michigan | USA MOBILITY WIRELESS, INC. | WIRELESS PROV | More |
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