Area
Code | Prefix | City/Switch Name
(Click for city search) | State/Prov.
Area Map | Telephone Company
Web link | Telco
Type | More
Info |
|---|
| 201 | 251 | RIDGEWOOD | New Jersey | VERIZON NEW JERSEY, INC. | RBOC | More |
| 202 | 251 | WSHNGTNZN1 | District of Columbia | NEW CINGULAR WIRELESS PCS, LLC - DC | WIRELESS PROV | More |
| 203 | 251 | STAMFORD | Connecticut | SOUTHERN NEW ENGLAND TELEPHONE CO. | IND. TELCO | More |
| 204 | 251 | Winnipeg | Manitoba | MTS Inc. | | More |
| 205 | 251 | BIRMINGHAM | Alabama | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | RBOC | More |
| 206 | 251 | SEATTLE | Washington | SPRINT SPECTRUM L.P. | PCS | More |
| 207 | 251 | WELLS | Maine | NEW CINGULAR WIRELESS PCS, LLC - DC | WIRELESS PROV | More |
| 208 | 251 | POCATELLO | Idaho | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - ID | WIRELESS PROV | More |
| 209 | 251 | GALT | California | SPRINT SPECTRUM L.P. | PCS | More |
| 210 | 251 | SANANTONIO | Texas | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 212 | 251 | NWYRCYZN01 | New York | VERIZON NEW YORK, INC. | RBOC | More |
| 213 | 251 | LSAN DA 10 | California | PACIFIC BELL | RBOC | More |
| 214 | 251 | DALLAS | Texas | 1STEL, INC. - TX | | More |
| 215 | 251 | PHLDLPHZN1 | Pennsylvania | SPRINT SPECTRUM L.P. | PCS | More |
| 216 | 251 | CLEVELAND | Ohio | AMERITECH OHIO | RBOC | More |
| 217 | 251 | PARIS | Illinois | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | WIRELESS PROV | More |
| 218 | 251 | BRAINERD | Minnesota | AERIAL COMMUNICATIONS | WIRELESS PROV | More |
| 219 | 251 | ROSELAWN | Indiana | MCC TELEPHONY OF THE MID-WEST, LLC - IN | | More |
| 224 | 251 | SKOKIE | Illinois | AMERITECH ILLINOIS | RBOC | More |
| 225 | 251 | BATONROUGE | Louisiana | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 226 | 251 | Guelph | Ontario | MTS Allstream Inc. | CLEC | More |
| 228 | 251 | BILOXI | Mississippi | US LEC OF TENNESSEE INC. - MS | | More |
| 229 | 251 | VALDOSTA | Georgia | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 231 | 251 | LKLEELANAU | Michigan | PEERLESS NETWORK OF MICHIGAN, LLC - MI | | More |
| 234 | 251 | UNIONTOWN | Ohio | TIME WARNER CABLE INFORMATION SVCS (OHIO) - OH | | More |
| 239 | 251 | FORT MYERS | Florida | AMERICAN MESSAGING SERVICES, LLC | WIRELESS PROV | More |
| 240 | 251 | HIGHFIELD | Maryland | CORE COMMUNICATIONS, INC. - MD | CLEC | More |
| 248 | 251 | PONTIAC | Michigan | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI | WIRELESS PROV | More |
| 250 | 251 | Burns Lake | British Columbia | TELUS Mobility | WIRELESS PROV | More |
| 252 | 251 | WARRENTON | North Carolina | US LEC OF NORTH CAROLINA, INC. | CLEC | More |
| 253 | 251 | PUYALLUP | Washington | XO WASHINGTON, INC. | CAP | More |
| 254 | 251 | KILLEEN | Texas | SPRINT SPECTRUM L.P. | PCS | More |
| 256 | 251 | BOAZ | Alabama | POWERTEL BIRMINGHAM LICENSES, INC. | WIRELESS PROV | More |
| 260 | 251 | PORTLAND | Indiana | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN | WIRELESS PROV | More |
| 262 | 251 | MENOMONFLS | Wisconsin | AMERITECH WISCONSIN | RBOC | More |
| 267 | 251 | PHLDLPHZN1 | Pennsylvania | NEW CINGULAR WIRELESS PCS, LLC - DC | WIRELESS PROV | More |
| 269 | 251 | KALAMAZOO | Michigan | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI | WIRELESS PROV | More |
| 270 | 251 | MAYFIELD | Kentucky | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | RBOC | More |
| 276 | 251 | ARARAT | Virginia | CENTRAL TEL. CO. OF VIRGINIA DBA CENTURYLINK | IND. TELCO | More |
| 281 | 251 | TOMBALL | Texas | SOUTHWESTERN BELL | RBOC | More |
| 289 | 251 | COBOURG | Ontario | Rogers Communications Partnership (Wireless) | WIRELESS PROV | More |
| 301 | 251 | WSNGTNZN10 | Maryland | VERIZON MARYLAND, INC. | RBOC | More |
| 302 | 251 | OCEAN VIEW | Delaware | CAVALIER TELEPHONE, LLC (MID-ATLANTIC) - DE | CLEC | More |
| 303 | 251 | DENVER | Colorado | USA MOBILITY WIRELESS, INC. | WIRELESS PROV | More |
| 304 | 251 | BECKLEY | West Virginia | TWO-WAY RADIO INCORPORATION | | More |
| 305 | 251 | PERRINE | Florida | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 306 | 251 | SASKATOON | Saskatchewan | Rogers Communications Partnership (Wireless) | WIRELESS PROV | More |
| 307 | 251 | CASPER | Wyoming | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY | WIRELESS PROV | More |
| 309 | 251 | PEORIA | Illinois | UNITED STATES CELLULAR CORP. - ILLINOIS | WIRELESS PROV | More |
| 310 | 251 | CMTN GRDN | California | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 312 | 251 | CHICGOZN01 | Illinois | AMERITECH ILLINOIS | RBOC | More |
| 313 | 251 | DETROIT | Michigan | NEUTRAL TANDEM-MICHIGAN, LLC - MI | | More |
| 314 | 251 | LADUE | Missouri | SOUTHWESTERN BELL | RBOC | More |
| 315 | 251 | SYRACUSE | New York | VERIZON NEW YORK, INC. | RBOC | More |
| 316 | 251 | EL DORADO | Kansas | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - KS | WIRELESS PROV | More |
| 317 | 251 | INDIANAPLS | Indiana | AMERITECH INDIANA | RBOC | More |
| 318 | 251 | RUSTON | Louisiana | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | RBOC | More |
| 319 | 251 | CEDAR RAPIDS | Iowa | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | WIRELESS PROV | More |
| 320 | 251 | ST CLOUD | Minnesota | QWEST CORPORATION | RBOC | More |
| 321 | 251 | ORLANDO | Florida | XO FLORIDA, INC. | CLEC | More |
| 323 | 251 | LSAN DA 14 | California | SPRINT SPECTRUM L.P. | PCS | More |
| 325 | 251 | PONTOTOC | Texas | HILL COUNTRY TELEPHONE COOPERATIVE, INC. | IND. TELCO | More |
| 330 | 251 | ALLIANCE | Ohio | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH | WIRELESS PROV | More |
| 331 | 251 | DOWNERSGRV | Illinois | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | WIRELESS PROV | More |
| 336 | 251 | WINSTN SAL | North Carolina | WINDSTREAM COMMUNICATIONS, INC. - NC | CLEC | More |
| 337 | 251 | NEW IBERIA | Louisiana | SPRINT SPECTRUM L.P. | PCS | More |
| 346 | 251 | BARKER | Texas | BANDWIDTH.COM CLEC, LLC - TX | | More |
| 347 | 251 | NWYRCYZN10 | New York | OMNIPOINT COMMUNICATIONS, INC. - NY | WIRELESS PROV | More |
| 352 | 251 | OCALA | Florida | NEUTRAL TANDEM-FLORIDA, LLC - FL | | More |
| 360 | 251 | MARYSVILLE | Washington | TELEPORT COMMUNICATIONS GROUP - SEATTLE | CAP | More |
| 361 | 251 | BERCLAIR | Texas | FITCH, F. CARY | WIRELESS | More |
| 401 | 251 | PORTSMOUTH | Rhode Island | GLOBAL NAPS, INC. - RI | CLEC | More |
| 402 | 251 | OMAHA | Nebraska | QWEST CORPORATION | RBOC | More |
| 403 | 251 | CALGARY | Alberta | TELUS | IND. TELCO | More |
| 404 | 251 | ATLANTA | Georgia | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 405 | 251 | WYNNEWOOD | Oklahoma | UNITED STATES CELLULAR CORP. - OKLAHOMA | WIRELESS PROV | More |
| 406 | 251 | MISSOULA | Montana | QWEST CORPORATION | RBOC | More |
| 407 | 251 | ORLANDO | Florida | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 408 | 251 | SNJS NORTH | California | PACIFIC BELL | RBOC | More |
| 409 | 251 | BRENHAM | Texas | HALO WIRELESS, INC | | More |
| 410 | 251 | SALISBURY | Maryland | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | WIRELESS PROV | More |
| 412 | 251 | PTTSBGZON1 | Pennsylvania | COMCAST PHONE OF PENNSYLVANIA, LLC - PA | GENERAL | More |
| 413 | 251 | HINSDALE | Massachusetts | LEVEL 3 COMMUNICATIONS, LLC - MA | CLEC | More |
| 415 | 251 | IGNACIO | California | YMAX COMMUNICATIONS CORP. - CA | | More |
| 416 | 251 | TORONTO | Ontario | Bell Canada | IND. TELCO | More |
| 417 | 251 | FORSYTH | Missouri | UNITED STATES CELLULAR CORP. - MISSOURI | WIRELESS PROV | More |
| 418 | 251 | ST PRIME | Quebec | Bell Canada | IND. TELCO | More |
| 419 | 251 | TOLEDO | Ohio | AMERITECH OHIO | RBOC | More |
| 423 | 251 | JOHNSON CITY | Tennessee | SPRINT COMMUNICATIONS COMPANY, L.P. - TN | CLEC | More |
| 424 | 251 | LOS ANGELES | California | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | WIRELESS PROV | More |
| 425 | 251 | RENTON | Washington | QWEST CORPORATION | RBOC | More |
| 432 | 251 | MONAHANS | Texas | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 434 | 251 | DANVILLE | Virginia | NEW CINGULAR WIRELESS PCS, LLC - DC | WIRELESS PROV | More |
| 435 | 251 | ST GEORGE | Utah | QWEST CORPORATION | RBOC | More |
| 440 | 251 | PAINESVL | Ohio | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH | WIRELESS PROV | More |
| 442 | 251 | VTVL HSPR | California | SPRINT SPECTRUM L.P. | PCS | More |
| 443 | 251 | BALTIMORE | Maryland | LOCAL ACCESS LLC - MD | | More |
| 450 | 251 | ST HYACINTHE | Quebec | Maskatel | CAP | More |
| 469 | 251 | GRANDPRARI | Texas | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX | WIRELESS PROV | More |
| 470 | 251 | JACKSON | Georgia | TELEPORT COMMUNICATIONS ATLANTA, INC. - GA | CLEC | More |
| 478 | 251 | MILLEDGEVL | Georgia | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - GA | WIRELESS PROV | More |
| 479 | 251 | FAYETTEVL | Arkansas | SOUTHWESTERN BELL | RBOC | More |
| 480 | 251 | PHOENIX | Arizona | SPRINT SPECTRUM L.P. | PCS | More |
| 484 | 251 | PHPHSBZN17 | Pennsylvania | CAVALIER TELEPHONE MID-ATLANTIC, LLC - PA | | More |
| 501 | 251 | LITTLEROCK | Arkansas | SOUTHWESTERN BELL | RBOC | More |
| 502 | 251 | MTWASHIGTN | Kentucky | LEVEL 3 COMMUNICATIONS, LLC - KY | CLEC | More |
| 503 | 251 | PORTLAND | Oregon | QWEST CORPORATION | RBOC | More |
| 504 | 251 | KENNER | Louisiana | SPRINT SPECTRUM L.P. | PCS | More |
| 505 | 251 | ALBUQURQUE | New Mexico | USA MOBILITY WIRELESS, INC. | WIRELESS PROV | More |
| 506 | 251 | Miramichi | New Brunswick | TELUS Mobility | PCS | More |
| 507 | 251 | ROCHESTER | Minnesota | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MN | | More |
| 508 | 251 | MARLBORO | Massachusetts | COMCAST PHONE OF MASSACHUSETTS, INC. - MA | CLEC | More |
| 509 | 251 | SPOKANE | Washington | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 510 | 251 | OKLD MN-PD | California | PACIFIC BELL | RBOC | More |
| 512 | 251 | AUSTIN | Texas | SOUTHWESTERN BELL | RBOC | More |
| 513 | 251 | CINCINNATI | Ohio | CINCINNATI BELL, INC. | IND. TELCO | More |
| 514 | 251 | MONTREAL | Quebec | Bell Canada | IND. TELCO | More |
| 515 | 251 | DES MOINES | Iowa | QWEST CORPORATION | RBOC | More |
| 516 | 251 | NASSAUZN05 | New York | USA MOBILITY WIRELESS, INC. | WIRELESS PROV | More |
| 517 | 251 | LANSING | Michigan | AMERICAN MESSAGING (AM), INC. | | More |
| 518 | 251 | NORTHCREEK | New York | CITIZENS TELECOMM CO OF NY DBA FRONTIER COMM OF NY | IND. TELCO | More |
| 519 | 251 | WINDSOR | Ontario | Bell Canada | IND. TELCO | More |
| 520 | 251 | CASAGRANDE | Arizona | SPRINT SPECTRUM L.P. | PCS | More |
| 530 | 251 | SUSANVILLE | California | CITIZENS TELECOM CA. DBA FRONTIER COM OF CA | IND. TELCO | More |
| 540 | 251 | CHRISTISBG | Virginia | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | WIRELESS PROV | More |
| 541 | 251 | BROOKINGS | Oregon | UNITED STATES CELLULAR CORP. - OREGON | WIRELESS PROV | More |
| 559 | 251 | FRESNO | California | PACIFIC BELL | RBOC | More |
| 561 | 251 | DELRAY BCH | Florida | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 562 | 251 | CMTN CMTN | California | MPOWER COMMUNICATIONS CORP - CA | CLEC | More |
| 567 | 251 | FINDLAY | Ohio | OHIO TELECOM, INC. - OH | | More |
| 570 | 251 | HONESDALE | Pennsylvania | VERIZON PENNSYLVANIA, INC. | RBOC | More |
| 571 | 251 | WSNGTNZN17 | Virginia | SPRINT SPECTRUM L.P. | PCS | More |
| 573 | 251 | FREMONT | Missouri | SPECTRA COMMUNICATIONS GROUP LLC DBA CENTURYLINK | | More |
| 574 | 251 | SOUTH BEND | Indiana | AMERITECH INDIANA | RBOC | More |
| 580 | 251 | DUNCAN | Oklahoma | SOUTHWESTERN BELL | RBOC | More |
| 581 | 251 | Loretteville | Quebec | TELUS Quebec | | More |
| 585 | 251 | ROCHESTER | New York | FRONTIER TELEPHONE OF ROCHESTER INC | IND. TELCO | More |
| 587 | 251 | Strathmore | Alberta | TELUS | IND. TELCO | More |
| 601 | 251 | PICAYUNE | Mississippi | TELEPAK NETWORKS, INC. - MS | | More |
| 602 | 251 | PHOENIX | Arizona | QWEST CORPORATION | RBOC | More |
| 603 | 251 | SALEM | New Hampshire | PAETEC COMMUNICATIONS, INC. - NH | CLEC | More |
| 604 | 251 | VANCOUVER | British Columbia | TELUS | IND. TELCO | More |
| 605 | 251 | SIOUX FLS | South Dakota | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 606 | 251 | FISTY | Kentucky | THACKER/GRIGSBY TELEPHONE CO. | IND. TELCO | More |
| 607 | 251 | BINGHAMTON | New York | TELEPORT COMMUNICATIONS GROUP - NY | CAP | More |
| 608 | 251 | MADISON | Wisconsin | AMERITECH WISCONSIN | RBOC | More |
| 609 | 251 | MOUNTHOLLY | New Jersey | METRO PCS, INC. | | More |
| 610 | 251 | PHPHSBZN28 | Pennsylvania | VERIZON PENNSYLVANIA, INC. | RBOC | More |
| 612 | 251 | TWINCITIES | Minnesota | SPRINT SPECTRUM L.P. | PCS | More |
| 613 | 251 | CARLETON PLACE | Ontario | Bell Canada | IND. TELCO | More |
| 614 | 251 | COLUMBUS | Ohio | AMERITECH OHIO | RBOC | More |
| 615 | 251 | NASHVILLE | Tennessee | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | RBOC | More |
| 616 | 251 | KALAMAZOO | Michigan | ALLTEL COMMUNICATIONS, INC. - LA | WIRELESS PROV | More |
| 617 | 251 | CAMBRIDGE | Massachusetts | SPRINT SPECTRUM L.P. | PCS | More |
| 618 | 251 | WOOD RIVER | Illinois | AMERITECH ILLINOIS | RBOC | More |
| 619 | 251 | LA MESA | California | SPRINT SPECTRUM L.P. | PCS | More |
| 620 | 251 | COFFEYVL | Kansas | SOUTHWESTERN BELL | RBOC | More |
| 623 | 251 | PHOENIX | Arizona | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ | WIRELESS PROV | More |
| 626 | 251 | COVINA | California | MCI WORLDCOM COMMUNICATIONS, INC., CA | CLEC | More |
| 630 | 251 | W CHICAGO | Illinois | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 631 | 251 | JERSEY CITY | New Jersey | BROADWING COMMUNICATIONS, LLC - NY | CLEC | More |
| 636 | 251 | FORISTELL | Missouri | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO | | More |
| 641 | 251 | FORESTCITY | Iowa | IOWA WIRELESS SERVICES, LP | PCS | More |
| 646 | 251 | NEW YORK CITY ZONE | New York | OMNIPOINT COMMUNICATIONS, INC. - NY | WIRELESS PROV | More |
| 650 | 251 | PALO ALTO | California | PACIFIC BELL | RBOC | More |
| 651 | 251 | MINNEAPOLIS | Minnesota | OVATION COMMUNICATIONS OF MINNESOTA, INC. | CLEC | More |
| 657 | 251 | GARDEN GRV | California | TIME WARNER CBL INFO SVCS (CA) DBATIME WARNER CBL | | More |
| 660 | 251 | LEXINGTON | Missouri | LEVEL 3 COMMUNICATIONS, LLC - MO | CLEC | More |
| 661 | 251 | SOLAMINT | California | PACIFIC BELL | RBOC | More |
| 662 | 251 | COLUMBUS | Mississippi | CELLULAR SOUTH, INC. | WIRELESS PROV | More |
| 667 | 251 | TOWSON | Maryland | LEVEL 3 COMMUNICATIONS, LLC - MD | CLEC | More |
| 669 | 251 | CAMPBELL | California | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 678 | 251 | ATLANTA | Georgia | US LEC OF GEORGIA, INC. | CLEC | More |
| 681 | 251 | MAYBEURY | West Virginia | SHENTEL CONVERGED SERVICES OF WEST VIRGINIA - WV | | More |
| 682 | 251 | ARLINGTON | Texas | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 701 | 251 | JAMESTOWN | North Dakota | QWEST CORPORATION | RBOC | More |
| 702 | 251 | LAS VEGAS | Nevada | CENTRAL TEL. CO. - NV | IND. TELCO | More |
| 703 | 251 | WASHINGTON | District of Columbia | TELEPORT COMMUNICATIONS GROUP, INC. - DC | CLEC | More |
| 704 | 251 | STONYPOINT | North Carolina | CHARTER FIBERLINK NC-CCO, LLC - NC | | More |
| 705 | 251 | Sault Ste. Marie | Ontario | ExaTEL Inc. | | More |
| 706 | 251 | BLUE RIDGE | Georgia | SPRINT SPECTRUM L.P. | PCS | More |
| 707 | 251 | NAPA | California | PACIFIC BELL | RBOC | More |
| 708 | 251 | CHICAGO | Illinois | COMCAST PHONE OF ILLINOIS, LLC DBA COMCO - IL | CLEC | More |
| 709 | 251 | PACQUET | Newfoundland | Aliant Telecom (NF) | IND. TELCO | More |
| 712 | 251 | SIOUX CITY | Iowa | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | WIRELESS PROV | More |
| 713 | 251 | HOUSTON | Texas | SOUTHWESTERN BELL | RBOC | More |
| 714 | 251 | GARDEN GROVE | California | PACIFIC BELL | RBOC | More |
| 715 | 251 | NIAGARA | Wisconsin | NIAGARA TELEPHONE CO. | IND. TELCO | More |
| 716 | 251 | ROCHESTER | New York | SPRINT SPECTRUM L.P. | PCS | More |
| 717 | 251 | COLUMBIA | Pennsylvania | GLOBAL NAPS - PA | CLEC | More |
| 718 | 251 | NYCZ 6 | New York | VERIZON NEW YORK, INC. | RBOC | More |
| 719 | 251 | PUEBLO | Colorado | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO | WIRELESS PROV | More |
| 720 | 251 | AURORA | Colorado | LEVEL 3 COMMUNICATIONS, LLC - CO | CLEC | More |
| 724 | 251 | AMBRIDGE | Pennsylvania | VERIZON PENNSYLVANIA, INC. | RBOC | More |
| 727 | 251 | CLEARWATER | Florida | AERIAL COMMUNICATIONS | WIRELESS PROV | More |
| 731 | 251 | DECATURVL | Tennessee | CHARTER FIBERLINK - TENNESSEE, LLC - TN | | More |
| 732 | 251 | SOUTH RIVER | New Jersey | VERIZON NEW JERSEY, INC. | RBOC | More |
| 734 | 251 | CHELSEA | Michigan | MICHTEL COMMUNICATIONS LLC - MI | CLEC | More |
| 740 | 251 | MARION | Ohio | LEVEL 3 COMMUNICATIONS, LLC - OH | CLEC | More |
| 747 | 251 | SNFN PACM | California | LEVEL 3 COMMUNICATIONS, LLC - CA | CLEC | More |
| 757 | 251 | NEWPORT NEWS ZONE 2 | Virginia | TELCOVE OF VIRGINIA, LLC - VA | CLEC | More |
| 760 | 251 | DESERT HOT SPRINGS | California | VERIZON CALIFORNIA INC.-CA (GTE) | IND. TELCO | More |
| 763 | 251 | TWINCITIES | Minnesota | LEVEL 3 COMMUNICATIONS, LLC - MN | | More |
| 765 | 251 | INDIANAPOLIS | Indiana | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 769 | 251 | JACKSON | Mississippi | COMCAST PHONE OF MISSISSIPPI, LLC - MS | | More |
| 770 | 251 | NEWNAN | Georgia | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 773 | 251 | CHICAGO ZONE 3 | Illinois | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 774 | 251 | BARNSTABLE | Massachusetts | NEW CINGULAR WIRELESS PCS, LLC - DC | WIRELESS PROV | More |
| 775 | 251 | ELY | Nevada | CF COMMUNICATIONS, LLC DBA TELEKENEX - NV | | More |
| 778 | 251 | North Vancouver | British Columbia | Fido Solutions Inc. | | More |
| 779 | 251 | DIXON | Illinois | QWEST COMMUNICATIONS COMPANY, LLC | CLEC | More |
| 780 | 251 | Fairview | Alberta | Rogers Communications Partnership (Wireless) | WIRELESS PROV | More |
| 781 | 251 | DEDHAM | Massachusetts | VERIZON NEW ENGLAND INC. | RBOC | More |
| 785 | 251 | Unknown | Kansas | BIRCH TELECOM OF KANSAS, INC. | CLEC | More |
| 786 | 251 | NORTH DADE | Florida | SPRINT SPECTRUM L.P. | PCS | More |
| 787 | 251 | BAYAMON NORTE | Puerto Rico | PUERTO RICO TELEPHONE CO. | IND. TELCO | More |
| 801 | 251 | MAGNA | Utah | ELECTRIC LIGHTWAVE, LLC DBA INTEGRA TELECOM - UT | CLEC | More |
| 802 | 251 | BRATTLEBORO | Vermont | TELEPHONE OP CO OF VERMONT DBA FAIRPOINT COMM-VT | RBOC | More |
| 803 | 251 | COLUMBIA | South Carolina | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 804 | 251 | DANVILLE | Virginia | BANDWIDTH.COM CLEC, LLC - VA | | More |
| 805 | 251 | SATICOY | California | PEERLESS NETWORK OF CALIFORNIA, LLC - CA | | More |
| 806 | 251 | FRIONA | Texas | W.T. SERVICES, INC. | CLEC | More |
| 807 | 251 | Thunder Bay | Ontario | Rogers Communications Partnership (Wireless) | WIRELESS PROV | More |
| 808 | 251 | HONOLULU | Hawaii | USA MOBILITY WIRELESS, INC. | WIRELESS PROV | More |
| 810 | 251 | FLINT | Michigan | AMERITECH MICHIGAN | RBOC | More |
| 812 | 251 | TERRE HAUTE | Indiana | SPRINT SPECTRUM L.P. | PCS | More |
| 813 | 251 | TAMPA | Florida | VERIZON FLORIDA INC. | IND. TELCO | More |
| 814 | 251 | HUNTINGDON | Pennsylvania | VERIZON PENNSYLVANIA, INC. | RBOC | More |
| 815 | 251 | NELSON | Illinois | GALLATIN RIVER COMMUNICATIONS DBA CENTURYLINK | IND. TELCO | More |
| 816 | 251 | KANSAS CITY LEES SU | Missouri | SOUTHWESTERN BELL | RBOC | More |
| 817 | 251 | GRAPEVINE | Texas | GTE-SW DBA VERIZON SW INC.-TX | IND. TELCO | More |
| 818 | 251 | CANOGA PARK | California | PACIFIC BELL | RBOC | More |
| 819 | 251 | East Angus | Quebec | Videotron General Partnership | CLEC | More |
| 828 | 251 | ASHEVILLE | North Carolina | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 830 | 251 | LAVERNIA | Texas | AWESOME PAGING, INC. | WIRELESS PROV | More |
| 831 | 251 | APTOS | California | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 832 | 251 | HOUSTON SUNSET | Texas | SOUTHWESTERN BELL | RBOC | More |
| 843 | 251 | MYRTLE BEACH | South Carolina | SUNCOM DBA T-MOBILE USA | PCS | More |
| 845 | 251 | SHOKAN | New York | TIME WARNER CABLE INFO SVCE (NEW YORK) LLC-NY | | More |
| 847 | 251 | WILMETTE | Illinois | AMERITECH ILLINOIS | RBOC | More |
| 848 | 251 | TOMS RIVER | New Jersey | NEW CINGULAR WIRELESS PCS, LLC - DC | WIRELESS PROV | More |
| 850 | 251 | TALLAHASSEE | Florida | SPRINT SPECTRUM L.P. | PCS | More |
| 856 | 251 | WOODBURY | New Jersey | VERIZON NEW JERSEY, INC. | RBOC | More |
| 857 | 251 | BOSTON | Massachusetts | METRO PCS, INC. | | More |
| 858 | 251 | LA JOLLA | California | PEERLESS NETWORK OF CALIFORNIA, LLC - CA | | More |
| 859 | 251 | VERSAILLES | Kentucky | LEVEL 3 COMMUNICATIONS, LLC - KY | CLEC | More |
| 860 | 251 | HARTFORD | Connecticut | SOUTHERN NEW ENGLAND TELEPHONE CO. | IND. TELCO | More |
| 862 | 251 | SUCCASUNNA | New Jersey | NEW CINGULAR WIRELESS PCS, LLC - DC | WIRELESS PROV | More |
| 864 | 251 | UNION | South Carolina | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 865 | 251 | KNOXVILLE | Tennessee | US LEC OF TENNESSEE, INC | CLEC | More |
| 870 | 251 | BATESVILLE | Arkansas | SOUTHWESTERN BELL | RBOC | More |
| 872 | 251 | CHICGOZN08 | Illinois | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 901 | 251 | MEMPHIS | Tennessee | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | CLEC | More |
| 902 | 251 | RIVER HERBERT | Nova Scotia | Aliant Telecom (NS) | IND. TELCO | More |
| 903 | 251 | DALLAS | Texas | UNITED TELEPHONE OF TEXAS INC DBA CENTURYLINK | IND. TELCO | More |
| 904 | 251 | FORT GEORGE | Florida | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 905 | 251 | NEWMARKET | Ontario | Rogers Communications Partnership (Wireless) | WIRELESS PROV | More |
| 906 | 251 | MARQUETTE | Michigan | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI | WIRELESS PROV | More |
| 907 | 251 | PUMP STATION 7 | Alaska | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 908 | 251 | BERGEN | New Jersey | NEW CINGULAR WIRELESS PCS, LLC - DC | WIRELESS PROV | More |
| 909 | 251 | LAKEVIEW NUEVO | California | TIME WARNER CBL INFO SVCS (CA) DBATIME WARNER CBL | | More |
| 910 | 251 | WILMINGTON | North Carolina | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 912 | 251 | WAYCROSS | Georgia | LEVEL 3 COMMUNICATIONS, LLC - GA | CLEC | More |
| 913 | 251 | Unknown | Kansas | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - KS | WIRELESS PROV | More |
| 914 | 251 | WCHZ 8 | New York | VERIZON NEW YORK, INC. | RBOC | More |
| 915 | 251 | PONTOTOC | Texas | METRO PCS, INC. | | More |
| 916 | 251 | SACRAMENTO | California | PAC - WEST TELECOMM, INC. | CLEC | More |
| 917 | 251 | NEW YORK CITY ZONE | New York | OMNIPOINT COMMUNICATIONS, INC. - NY | WIRELESS PROV | More |
| 918 | 251 | BROKEN ARROW | Oklahoma | VALOR TELECOM TX.LP-OK DBA WINDSTREAM COMM SW | | More |
| 919 | 251 | DURHAM | North Carolina | MADISON RIVER COMM. LLC DBA CENTURYLINK - NC | CLEC | More |
| 920 | 251 | FOND DU LAC | Wisconsin | SPRINT SPECTRUM L.P. | PCS | More |
| 925 | 251 | PLEASANTON | California | PACIFIC BELL | RBOC | More |
| 928 | 251 | SHOW LOW | Arizona | LEVEL 3 COMMUNICATIONS, LLC - AZ | | More |
| 929 | 251 | NWYRCYZN12 | New York | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY | WIRELESS PROV | More |
| 931 | 251 | FAYETTEVL | Tennessee | POWERTEL NASHVILLE LICENSES, INC. | WIRELESS PROV | More |
| 936 | 251 | PRAIRIE VW | Texas | QWEST COMMUNICATIONS COMPANY, LLC | CLEC | More |
| 937 | 251 | DAYTON | Ohio | SPRINT SPECTRUM L.P. | PCS | More |
| 939 | 251 | BAYAMONNOR | Puerto Rico | PUERTO RICO TELCO DBA VERIZON WIRELESS PUERTO RICO | WIRELESS PROV | More |
| 940 | 251 | PSMKNGDMLK | Texas | LEVEL 3 COMMUNICATIONS, LLC - TX | CLEC | More |
| 941 | 251 | FORT MYERS | Florida | BRIGHT HOUSE NTWS INFORMATION SVCS (FLORIDA) - FL | | More |
| 949 | 251 | IRVINE | California | PACIFIC BELL | RBOC | More |
| 951 | 251 | MORENO | California | LEVEL 3 COMMUNICATIONS, LLC - CA | CLEC | More |
| 954 | 251 | HOLLYWOOD | Florida | LEVEL 3 COMMUNICATIONS, LLC - FL | CLEC | More |
| 956 | 251 | SAN ANTONIO | Texas | SPRINT SPECTRUM L.P. | PCS | More |
| 970 | 251 | CRESTEDBTE | Colorado | QWEST CORPORATION | RBOC | More |
| 971 | 251 | RAINIER | Oregon | BANDWIDTH.COM CLEC, LLC - OR | | More |
| 972 | 251 | IRVING | Texas | GTE-SW DBA VERIZON SW INC.-TX | IND. TELCO | More |
| 973 | 251 | NEWARK | New Jersey | AT&T LOCAL | CLEC | More |
| 978 | 251 | LOWELL | Massachusetts | VERIZON NEW ENGLAND INC. | RBOC | More |
| 979 | 251 | BRENHAM | Texas | SOUTHWESTERN BELL | RBOC | More |
| 980 | 251 | GASTONIA | North Carolina | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC | WIRELESS PROV | More |
| 989 | 251 | MTPLEASANT | Michigan | METRO PCS, INC. | | More |
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