Area
Code | Prefix | City/Switch Name
(Click for city search) | State/Prov.
Area Map | Telephone Company
Web link | Telco
Type | More
Info |
|---|
| 201 | 273 | HACKENSACK | New Jersey | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NJ | WIRELESS PROV | More |
| 202 | 273 | WSHNGTNZN1 | District of Columbia | VERIZON WASHINGTON, DC INC. | RBOC | More |
| 203 | 273 | STAMFORD | Connecticut | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT | WIRELESS PROV | More |
| 205 | 273 | DETROIT | Alabama | CENTURYTEL TEL AL LLC (NORTHERN) DBA CENTURYLINK | | More |
| 206 | 273 | SEATTLE | Washington | QWEST CORPORATION | RBOC | More |
| 207 | 273 | WARREN | Maine | WARREN TELEPHONE CO. | IND. TELCO | More |
| 208 | 273 | ROCK CREEK | Idaho | FRONTIER COMMUNICATIONS NORTHWEST INC. - WA | IND. TELCO | More |
| 209 | 273 | FRESNO | California | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 210 | 273 | SANANTONIO | Texas | SPRINT SPECTRUM L.P. | PCS | More |
| 212 | 273 | NWYRCYZN01 | New York | VERIZON NEW YORK, INC. | RBOC | More |
| 213 | 273 | LSAN DA 10 | California | PACIFIC BELL | RBOC | More |
| 214 | 273 | DALLAS | Texas | MCI WORLDCOM COMMUNICATIONS, INC. - TX | CLEC | More |
| 215 | 273 | PHPHSBZN32 | Pennsylvania | TCG NEW JERSEY, INC. - PA | CLEC | More |
| 216 | 273 | CLEVELAND | Ohio | SBC INTERNET SERVICES, INC. | | More |
| 217 | 273 | MATTOON | Illinois | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | WIRELESS PROV | More |
| 218 | 273 | KETTLE RIV | Minnesota | CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN | | More |
| 225 | 273 | BATONROUGE | Louisiana | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | RBOC | More |
| 228 | 273 | BILOXI | Mississippi | LEVEL 3 COMMUNICATIONS, LLC - MS | | More |
| 229 | 273 | CORDELE | Georgia | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 239 | 273 | BONITA SPG | Florida | SPRINT SPECTRUM L.P. | PCS | More |
| 240 | 273 | WSHNGTNZN6 | District of Columbia | BROADWING COMMUNICATIONS. LLC - MD | CLEC | More |
| 248 | 273 | TROY | Michigan | AMERITECH MICHIGAN | RBOC | More |
| 250 | 273 | Princeton | British Columbia | TELUS Mobility | WIRELESS PROV | More |
| 251 | 273 | CITRONELLE | Alabama | NEWSOUTH COMMUNICATIONS, INC. DBA UNIVERSALCOM FL | CLEC | More |
| 252 | 273 | SWANQUARTR | North Carolina | @ COMMUNICATIONS, INC. - NC | CLEC | More |
| 253 | 273 | TACOMA | Washington | SPRINT SPECTRUM L.P. | PCS | More |
| 254 | 273 | BARTLETT | Texas | SBC INTERNET SERVICES, INC. | | More |
| 256 | 273 | FORT PAYNE | Alabama | LEVEL 3 COMMUNICATIONS, LLC - AL | | More |
| 260 | 273 | BLUFFTON | Indiana | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN | WIRELESS PROV | More |
| 267 | 273 | PHILADELPHIA ZONE 3 | Pennsylvania | COMCAST PHONE OF PENNSYLVANIA, LLC - PA | GENERAL | More |
| 269 | 273 | THREERIVRS | Michigan | FRONTIER NORTH, INC. - MI | IND. TELCO | More |
| 270 | 273 | CALHOUN | Kentucky | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | RBOC | More |
| 281 | 273 | SUGAR LAND | Texas | WINDSTREAM SUGAR LAND, INC. | IND. TELCO | More |
| 289 | 273 | St. Catharines-Thor | Ontario | Iristel Inc. | | More |
| 301 | 273 | WSHNGTNZN3 | Maryland | MCI WORLDCOM COMMUNICATIONS, INC. - MD | CLEC | More |
| 302 | 273 | NEWARK | Delaware | COMCAST PHONE OF DELAWARE, LLC - DE | | More |
| 303 | 273 | DENVER | Colorado | QWEST CORPORATION | RBOC | More |
| 304 | 273 | RAVENSWOOD | West Virginia | FRONTIER WEST VIRGINIA INC. | RBOC | More |
| 305 | 273 | MIAMI | Florida | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 306 | 273 | RHEIN | Saskatchewan | SaskTel | IND. TELCO | More |
| 307 | 273 | FARSON | Wyoming | CENTURYTEL OF WYOMING, INC. DBA CENTURYLINK | IND. TELCO | More |
| 309 | 273 | PEORIA | Illinois | LEVEL 3 COMMUNICATIONS, LLC - IL | CLEC | More |
| 310 | 273 | BEVERLYHLS | California | PACIFIC BELL | RBOC | More |
| 312 | 273 | CHICGOZN01 | Illinois | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | WIRELESS PROV | More |
| 313 | 273 | DETROITZN4 | Michigan | AMERITECH MICHIGAN | RBOC | More |
| 314 | 273 | ST LOUIS | Missouri | SOUTHWESTERN BELL | RBOC | More |
| 315 | 273 | SYRACUSE | New York | CONTACT COMMUNICATIONS, INC. | WIRELESS PROV | More |
| 316 | 273 | TOWANDA | Kansas | SPRINT SPECTRUM L.P. | PCS | More |
| 317 | 273 | INDIANAPLS | Indiana | AMERITECH INDIANA | RBOC | More |
| 318 | 273 | MANY | Louisiana | CP-TEL NETWORK SERVICES, INC. - LA | | More |
| 319 | 273 | CEDARFALLS | Iowa | QWEST CORPORATION | RBOC | More |
| 320 | 273 | ODESSA | Minnesota | FEDERATED TELEPHONE COOPERATIVE | IND. TELCO | More |
| 321 | 273 | MONTVERDE | Florida | PAETEC COMMUNICATIONS, INC. - FL | CLEC | More |
| 323 | 273 | MONTEBELLO | California | SPRINT SPECTRUM L.P. | PCS | More |
| 330 | 273 | BRUNSWICK | Ohio | FRONTIER NORTH, INC. - OH | IND. TELCO | More |
| 334 | 273 | MONTGOMERY | Alabama | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | RBOC | More |
| 336 | 273 | GREENSBORO | North Carolina | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 337 | 273 | LAFAYETTE | Louisiana | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | RBOC | More |
| 347 | 273 | NWYRCYZN15 | New Jersey | BROADWING COMMUNICATIONS, LLC - NY | CLEC | More |
| 352 | 273 | GAINESVL | Florida | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 360 | 273 | ROCHESTER | Washington | QWEST CORPORATION | RBOC | More |
| 361 | 273 | INGLESIDE | Texas | FITCH, F. CARY | WIRELESS | More |
| 401 | 273 | PROVIDENCE | Rhode Island | VERIZON NEW ENGLAND INC. | RBOC | More |
| 402 | 273 | LONG PINE | Nebraska | NORTHEAST NEBRASKA TELEPHONE CO. | IND. TELCO | More |
| 403 | 273 | CALGARY | Alberta | TELUS | IND. TELCO | More |
| 404 | 273 | ATLANTA | Georgia | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - GA | WIRELESS PROV | More |
| 405 | 273 | SHAWNEE | Oklahoma | SOUTHWESTERN BELL | RBOC | More |
| 406 | 273 | MISSOULA | Montana | QWEST CORPORATION | RBOC | More |
| 407 | 273 | ORLANDO | Florida | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 408 | 273 | SNJS NORTH | California | MCI WORLDCOM COMMUNICATIONS, INC., CA | CLEC | More |
| 409 | 273 | BEAUMONT | Texas | TELEPORT COMMUNICATIONS GROUP - HOUSTON | CAP | More |
| 410 | 273 | ABERDEEN | Maryland | VERIZON MARYLAND, INC. | RBOC | More |
| 412 | 273 | PTTSBGZON4 | Pennsylvania | VERIZON PENNSYLVANIA, INC. | RBOC | More |
| 413 | 273 | SPRINGFLD | Massachusetts | VERIZON NEW ENGLAND INC. | RBOC | More |
| 414 | 273 | MILWAUKZN1 | Wisconsin | AMERITECH WISCONSIN | RBOC | More |
| 415 | 273 | SNFC CNTRL | California | PACIFIC BELL | RBOC | More |
| 416 | 273 | Toronto | Ontario | TELUS Integrated Communications | CLEC | More |
| 417 | 273 | THEODOSIA | Missouri | CENTURYTEL MISSOURI LLC (SOUTHWEST)DBA CENTURYLINK | | More |
| 419 | 273 | FOREST | Ohio | FRONTIER NORTH, INC. - OH | IND. TELCO | More |
| 423 | 273 | MORRISTOWN | Tennessee | SPRINT SPECTRUM L.P. | PCS | More |
| 424 | 273 | W ANGELES | California | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | WIRELESS PROV | More |
| 425 | 273 | BOTHELL | Washington | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 432 | 273 | ORLA | Texas | VALOR TELECOMM TX, LD-TX #2 DBA WINDSTREAM COMM SW | | More |
| 440 | 273 | BURTON | Ohio | ICG TELECOM GROUP - OH | CLEC | More |
| 442 | 273 | VISTA | California | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 443 | 273 | REISTERSTN | Maryland | TELEPORT COMMUNICATIONS GROUP AMERICA, INC. - MD | CAP | More |
| 469 | 273 | ROCKWALL | Texas | FEC COMMUNICATIONS, LLP - TX | | More |
| 470 | 273 | ATLANTA NE | Georgia | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - GA | WIRELESS PROV | More |
| 478 | 273 | WARNERRBNS | Georgia | TELEPORT COMMUNICATIONS ATLANTA, INC. - GA | CLEC | More |
| 479 | 273 | BENTONVL | Arkansas | SOUTHWESTERN BELL | RBOC | More |
| 480 | 273 | PHOENIX | Arizona | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ | WIRELESS PROV | More |
| 484 | 273 | NORTHAMPTON | Pennsylvania | MCI WORLDCOM COMMUNICATIONS, INC. - PA | CLEC | More |
| 501 | 273 | BENTONVILLE | Arkansas | SOUTHWESTERN BELL - AR | RBOC | More |
| 502 | 273 | ROSETRRACE | Kentucky | ALEC, LLC - KY | CLEC | More |
| 503 | 273 | PORTLAND | Oregon | QWEST CORPORATION | RBOC | More |
| 504 | 273 | KENNER | Louisiana | TELCOVE OF LOUISIANA, LLC - LA | CLEC | More |
| 505 | 273 | CAUSEY | New Mexico | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NM | WIRELESS PROV | More |
| 506 | 273 | PERTH ANDOVER | New Brunswick | Aliant Telecom(NB) | IND. TELCO | More |
| 507 | 273 | ROCHESTER | Minnesota | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MN | | More |
| 508 | 273 | WAREHAM | Massachusetts | VERIZON NEW ENGLAND INC. | RBOC | More |
| 510 | 273 | OKLD MN-PD | California | PACIFIC BELL | RBOC | More |
| 512 | 273 | MCDADE | Texas | GTE-SW DBA VERIZON SW INC.-TX (CONTEL) | IND. TELCO | More |
| 513 | 273 | OXFORD | Ohio | LEVEL 3 COMMUNICATIONS, LLC - OH | CLEC | More |
| 514 | 273 | MONTREAL | Quebec | Bell Canada | IND. TELCO | More |
| 515 | 273 | DES MOINES | Iowa | QWEST CORPORATION | RBOC | More |
| 516 | 273 | BRENTWOOD | New York | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY | WIRELESS PROV | More |
| 517 | 273 | JACKSON | Michigan | USA MOBILITY WIRELESS, INC. | WIRELESS PROV | More |
| 518 | 273 | TROY | New York | VERIZON NEW YORK, INC. | RBOC | More |
| 519 | 273 | STRATFORD | Ontario | Bell Canada | IND. TELCO | More |
| 520 | 273 | PRESCOTT | Arizona | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 530 | 273 | GRVY MAIN | California | PACIFIC BELL | RBOC | More |
| 540 | 273 | FREDECKSBG | Virginia | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA | WIRELESS PROV | More |
| 541 | 273 | KLAMATHFLS | Oregon | QWEST CORPORATION | RBOC | More |
| 559 | 273 | FRESNO | California | SPRINT SPECTRUM L.P. | PCS | More |
| 561 | 273 | WPALMBEACH | Florida | TCG SOUTH FLORIDA | CLEC | More |
| 562 | 273 | WHITTIER | California | QWEST COMMUNICATIONS COMPANY, LLC | CLEC | More |
| 567 | 273 | NEWWSHNGTN | Ohio | OHIO TELECOM, INC. - OH | | More |
| 570 | 273 | NESQUHONNG | Pennsylvania | SPRINT COMMUNICATIONS COMPANY, L.P. - PA | CLEC | More |
| 571 | 273 | WSNGTNZN08 | Virginia | VERIZON VIRGINIA, INC. | RBOC | More |
| 573 | 273 | MANCHESTER | Missouri | PEERLESS NETWORK OF MISSOURI, LLC - MO | | More |
| 574 | 273 | SOUTH BEND | Indiana | AMERITECH INDIANA | RBOC | More |
| 575 | 273 | CAUSEY | New Mexico | ROOSEVELT COUNTY RURAL TELEPHONE COOP., INC. | IND. TELCO | More |
| 580 | 273 | WOODWARD | Oklahoma | CELLULAR NETWORK PARTNERSHIP | WIRELESS PROV | More |
| 585 | 273 | ROCHESTER | New York | FRONTIER TELEPHONE OF ROCHESTER INC | IND. TELCO | More |
| 586 | 273 | NEWBALTIMR | Michigan | GLOBAL CROSSING TELEMANAGEMENT, INC.-MI | CLEC | More |
| 587 | 273 | Red Deer | Alberta | Shaw Telecom Inc. | | More |
| 601 | 273 | PICAYUNE | Mississippi | SPRINT SPECTRUM L.P. | PCS | More |
| 602 | 273 | PHOENIX | Arizona | QWEST CORPORATION | RBOC | More |
| 603 | 273 | LACONIA | New Hampshire | BROOKS FIBER COMMUNICATIONS OF NEW HAMPSHIRE - NH | CLEC | More |
| 604 | 273 | RICHMOND | British Columbia | TELUS | IND. TELCO | More |
| 605 | 273 | MCINTOSH | South Dakota | QWEST CORPORATION | RBOC | More |
| 606 | 273 | HARLAN | Kentucky | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 607 | 273 | ITHACA | New York | VERIZON NEW YORK, INC. | RBOC | More |
| 608 | 273 | MADISON | Wisconsin | AMERITECH WISCONSIN | RBOC | More |
| 609 | 273 | TRENTON | New Jersey | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NJ | WIRELESS PROV | More |
| 610 | 273 | HONEYBROOK | Pennsylvania | VERIZON PENNSYLVANIA, INC. | RBOC | More |
| 612 | 273 | TWINCITIES | Minnesota | QWEST CORPORATION | RBOC | More |
| 613 | 273 | WESTPORT | Ontario | Westport Telephone Company Ltd. | IND. TELCO | More |
| 614 | 273 | COLUMBUS | Ohio | AMERITECH OHIO | RBOC | More |
| 615 | 273 | SMITHVILLE | Tennessee | DEKALB TELEPHONE COOPERATIVE | IND. TELCO | More |
| 616 | 273 | THREE RIVERS | Michigan | FRONTIER NORTH, INC. - MI | IND. TELCO | More |
| 617 | 273 | MILTON | Massachusetts | BROADWING COMMUNICATIONS, LLC - MA | CLEC | More |
| 618 | 273 | ELDORADO | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 619 | 273 | NATIONALCY | California | TELSCAPE COMMUNICATONS, INC. - CA | CLEC | More |
| 620 | 273 | COTONWDFLS | Kansas | SOUTHWESTERN BELL | RBOC | More |
| 626 | 273 | ALHAMBRA | California | 33 WIRELESS INC. | WIRELESS PROV | More |
| 630 | 273 | PLANO | Illinois | GLOBALCOM, INC.-IL | CLEC | More |
| 631 | 273 | BRENTWOOD | New York | VERIZON NEW YORK, INC. | RBOC | More |
| 636 | 273 | POND | Missouri | SOUTHWESTERN BELL | RBOC | More |
| 646 | 273 | NEW YORK CITY ZONE | New York | CABLEVISION LIGHTPATH, INC. - NY | CLEC | More |
| 647 | 273 | TORONTO | Ontario | Rogers Communications Partnership (Wireless) | WIRELESS PROV | More |
| 650 | 273 | SOUTH SAN FRANCISCO | California | ASTOUND BROADBAND, LLC - CA | | More |
| 651 | 273 | STILLWATER | Minnesota | NEUTRAL TANDEM-MINNESOTA, LLC - MN | | More |
| 657 | 273 | SANTA ANA | California | SPRINT SPECTRUM L.P. | PCS | More |
| 660 | 273 | KIRKSVILLE | Missouri | SOUTHWESTERN BELL | RBOC | More |
| 661 | 273 | PALMDALE | California | PACIFIC BELL | RBOC | More |
| 662 | 273 | EUPORA | Mississippi | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | RBOC | More |
| 669 | 273 | CAMPBELL | California | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 678 | 273 | ATLANTA | Georgia | GLOBAL CROSSING LOCAL SERVICES, INC.-GA | CLEC | More |
| 701 | 273 | PETTIBONE | North Dakota | BEK COMMUNICATIONS COOPERATIVE | IND. TELCO | More |
| 702 | 273 | LAS VEGAS | Nevada | CENTRAL TEL. CO. - NV | IND. TELCO | More |
| 703 | 273 | BRADDOCK | Virginia | VERIZON VIRGINIA, INC. | RBOC | More |
| 704 | 273 | KANNAPOLIS | North Carolina | US LEC OF NORTH CAROLINA, INC. | CLEC | More |
| 705 | 273 | MATHESON | Ontario | Northern Telephone Ltd. | IND. TELCO | More |
| 706 | 273 | ELLIJAY | Georgia | ELLIJAY TELEPHONE CO. | IND. TELCO | More |
| 707 | 273 | EUREKA | California | METRO PCS, INC. | | More |
| 708 | 273 | ELK GROVE | Illinois | BROADWING COMMUNICATIONS, LLC - IL | CLEC | More |
| 709 | 273 | ST JOHNS | Newfoundland | Aliant Telecom (NF) | IND. TELCO | More |
| 712 | 273 | EARLY | Iowa | FRONTIER COMMUNICATIONS OF IOWA, INC. | IND. TELCO | More |
| 713 | 273 | HOUSTON SUNSET | Texas | SOUTHWESTERN BELL | RBOC | More |
| 714 | 273 | ANAHEIM | California | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 715 | 273 | ELLSWORTH | Wisconsin | AMERITECH WISCONSIN | RBOC | More |
| 716 | 273 | BRIGHTON | New York | XYN COMMUNICATIONS OF NEW YORK, LLC - NY | | More |
| 717 | 273 | LEBANON | Pennsylvania | VERIZON PENNSYLVANIA, INC. | RBOC | More |
| 718 | 273 | NYCZ 14 | New York | VERIZON NEW YORK, INC. | RBOC | More |
| 719 | 273 | COLORADO SPRINGS | Colorado | QWEST CORPORATION | RBOC | More |
| 720 | 273 | DENVER | Colorado | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 724 | 273 | PITTSBURGH | Pennsylvania | INTERMEDIA COMMUNICATIONS INC. - PA | CLEC | More |
| 732 | 273 | DUNELLEN | New Jersey | TELCOVE INVESTMENT, LLC - NJ | CLEC | More |
| 734 | 273 | YPSILANTI | Michigan | PHONE MICHIGAN | CLEC | More |
| 740 | 273 | WILLIAMSPT | Ohio | LEVEL 3 COMMUNICATIONS, LLC - OH | CLEC | More |
| 747 | 273 | GLENDALE | California | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 754 | 273 | HOLLYWOOD | Florida | METRO PCS, INC. | | More |
| 757 | 273 | PORTSMOUTH | Virginia | TELCOVE OF VIRGINIA, LLC - VA | CLEC | More |
| 760 | 273 | LOS ANGELES FOCAL | California | BROADWING COMMUNICATIONS, LLC - CA | CLEC | More |
| 763 | 273 | OSSEO | Minnesota | MCC TELEPHONY OF MINNESOTA, LLC - MN | | More |
| 765 | 273 | INDIANAPOLIS | Indiana | LEVEL 3 COMMUNICATIONS, LLC - IN | CLEC | More |
| 770 | 273 | TUCKER | Georgia | AMERICAN MESSAGING (AM), INC. | | More |
| 773 | 273 | EVANSTON | Illinois | AMERITECH ILLINOIS | RBOC | More |
| 774 | 273 | EASTON | Massachusetts | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | WIRELESS PROV | More |
| 775 | 273 | LOVELOCK | Nevada | NEVADA BELL | RBOC | More |
| 778 | 273 | Dawson Creek | British Columbia | Bell West Inc. | | More |
| 780 | 273 | Wabasca | Alberta | Rogers Communications Partnership (Wireless) | WIRELESS PROV | More |
| 781 | 273 | BURLINGTON | Massachusetts | VERIZON NEW ENGLAND INC. | RBOC | More |
| 785 | 273 | TOPEKA | Kansas | SOUTHWESTERN BELL | RBOC | More |
| 786 | 273 | MIAMI | Florida | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 787 | 273 | GUAYNABO | Puerto Rico | PUERTO RICO TELEPHONE CO. | IND. TELCO | More |
| 801 | 273 | HOLLADAY | Utah | QWEST CORPORATION | RBOC | More |
| 802 | 273 | HUBBARDTON | Vermont | SHOREHAM TELEPHONE LLC | IND. TELCO | More |
| 803 | 273 | HEATH SPRINGS | South Carolina | LANCASTER TELEPHONE COMPANY | IND. TELCO | More |
| 804 | 273 | RICHMOND | Virginia | VERIZON VIRGINIA, INC. | RBOC | More |
| 805 | 273 | LOS ANGELES - PAC W | California | PAC - WEST TELECOMM, INC. | CLEC | More |
| 806 | 273 | BORGER | Texas | SOUTHWESTERN BELL | RBOC | More |
| 808 | 273 | HONOLULU | Hawaii | USA MOBILITY WIRELESS, INC. | WIRELESS PROV | More |
| 810 | 273 | RANKIN | Michigan | PAC-WEST TELECOMM, INC. - MI | | More |
| 812 | 273 | MADISON | Indiana | FRONTIER NORTH, INC. - IN | IND. TELCO | More |
| 813 | 273 | TAMPA | Florida | VERIZON FLORIDA INC. | IND. TELCO | More |
| 814 | 273 | EDINBORO | Pennsylvania | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 815 | 273 | SAVANNA | Illinois | GALLATIN RIVER COMMUNICATIONS DBA CENTURYLINK | IND. TELCO | More |
| 816 | 273 | BELTON | Kansas | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 817 | 273 | FORT WORTH CRESTVIE | Texas | SOUTHWESTERN BELL | RBOC | More |
| 818 | 273 | SEPULVEDA | California | VERIZON CALIFORNIA INC.-CA (GTE) | IND. TELCO | More |
| 828 | 273 | ASHEVILLE | North Carolina | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC | WIRELESS PROV | More |
| 830 | 273 | CHARLOTTE | Texas | AWESOME PAGING, INC. | WIRELESS PROV | More |
| 832 | 273 | HOUSTON | Texas | AERIAL COMMUNICATIONS | WIRELESS PROV | More |
| 843 | 273 | MYRTLE BEACH | South Carolina | NUVOX COMMUNICATIONS | CLEC | More |
| 845 | 273 | HIGHLANDML | New York | CABLEVISION LIGHTPATH, INC. - NY | CLEC | More |
| 847 | 273 | ELK GROVE | Illinois | MCI WORLDCOM COMMUNICATIONS, INC. - IL | CLEC | More |
| 850 | 273 | TALLAHASSEE | Florida | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 856 | 273 | MOORESTOWN | New Jersey | VERIZON NEW JERSEY, INC. | RBOC | More |
| 857 | 273 | JAMAICA PL | Massachusetts | COMCAST PHONE OF MASSACHUSETTS, INC. - MA | CLEC | More |
| 858 | 273 | PACIFIC BEACH | California | PACIFIC BELL | RBOC | More |
| 859 | 273 | LEXINGTON SE | Kentucky | WINDSTREAM KENTUCKY EAST, INC. - LEXINGTON | | More |
| 860 | 273 | HARTFORD | Connecticut | SOUTHERN NEW ENGLAND TELEPHONE CO. | IND. TELCO | More |
| 862 | 273 | NEWTON | New Jersey | OMNIPOINT COMMUNICATIONS, INC. - NJ | WIRELESS PROV | More |
| 863 | 273 | SEBRING | Florida | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - FL | WIRELESS PROV | More |
| 864 | 273 | SPARTANBURG | South Carolina | KINDER, ROBERT A. DBA TOTAL COMMUNICATION SYSTEMS | WIRELESS PROV | More |
| 865 | 273 | KNOXVILLE | Tennessee | US LEC OF TENNESSEE, INC | CLEC | More |
| 870 | 273 | JONESBORO | Arkansas | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 901 | 273 | MEMPHIS | Tennessee | XO TENNESSEE, INC. | CAP | More |
| 902 | 273 | CHESTER | Nova Scotia | Bragg Communications Inc. | CLEC | More |
| 903 | 273 | DALLAS | Texas | BROADWING COMMUNICATIONS, LLC - TX | CLEC | More |
| 904 | 273 | PONTE VEDRA BEACH | Florida | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 905 | 273 | COOKSVILLE | Ontario | Bell Canada | IND. TELCO | More |
| 906 | 273 | MARQUETTE | Michigan | CHARTER FIBERLINK - MICHIGAN, LLC - MI | | More |
| 907 | 273 | ANCHORAGE | Alaska | ACS OF ANCHORAGE, INC. | IND. TELCO | More |
| 908 | 273 | SUMMIT | New Jersey | VERIZON NEW JERSEY, INC. | RBOC | More |
| 909 | 273 | CORONA | California | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | WIRELESS PROV | More |
| 910 | 273 | RALEIGH | North Carolina | SPRINT SPECTRUM L.P. | PCS | More |
| 912 | 273 | CORDELE | Georgia | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 913 | 273 | KANSASCITY | Kansas | E.SPIRE COMMUNICATIONS, INC. - KANSAS CITY | CLEC | More |
| 914 | 273 | ARMONK VILLAGE | New York | VERIZON NEW YORK, INC. | RBOC | More |
| 915 | 273 | ORLA | Texas | VALOR TELECOMM TX, LD-TX #2 DBA WINDSTREAM COMM SW | | More |
| 916 | 273 | SCRM MAIN | California | U.S. TELEPACIFIC CORP. - CA | CLEC | More |
| 917 | 273 | NEW YORK CITY ZONE | New York | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY | WIRELESS PROV | More |
| 918 | 273 | NOWATA | Oklahoma | SOUTHWESTERN BELL | RBOC | More |
| 919 | 273 | GOLDSBORO | North Carolina | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 920 | 273 | FOND DU LAC | Wisconsin | US XCHANGE OF WISCONSIN LLC DBA CHOICE ONE COMM WI | CLEC | More |
| 925 | 273 | FREMONT | California | XO CALIFORNIA, INC. | CLEC | More |
| 928 | 273 | PRESCOTT | Arizona | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 929 | 273 | NWYRCYZN13 | New York | BANDWIDTH.COM CLEC, LLC - NY | | More |
| 931 | 273 | MANCHESTER | Tennessee | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN | WIRELESS PROV | More |
| 936 | 273 | RIVERBROOK | Texas | CONSOLIDATED COMMUNICATIONS OF TEXAS COMPANY | IND. TELCO | More |
| 937 | 273 | ELDORADO | Ohio | UNITED TEL. CO. OF OHIO - CENTURYLINK | IND. TELCO | More |
| 939 | 273 | BAYAMONNOR | Puerto Rico | PUERTO RICO TELCO DBA VERIZON WIRELESS PUERTO RICO | WIRELESS PROV | More |
| 940 | 273 | DECATUR | Texas | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 941 | 273 | TAMPA | Florida | SPRINT SPECTRUM L.P.- FL | PCS | More |
| 949 | 273 | SADLBK VLY | California | LEVEL 3 COMMUNICATIONS, LLC - CA | CLEC | More |
| 951 | 273 | CORONA | California | PACIFIC BELL | RBOC | More |
| 954 | 273 | FORT LAUDERDALE | Florida | R AND G DISTRIBUTORS | WIRELESS PROV | More |
| 956 | 273 | HARLINGEN | Texas | SOUTHWESTERN BELL | RBOC | More |
| 970 | 273 | DENVER | Colorado | SAN ISABEL TELECOM, INC. | CLEC | More |
| 971 | 273 | SALEM | Oregon | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 972 | 273 | IRVING | Texas | GTE-SW DBA VERIZON SW INC.-TX | IND. TELCO | More |
| 973 | 273 | NEWARK | New Jersey | VERIZON NEW JERSEY, INC. | RBOC | More |
| 978 | 273 | LAWRENCE | Massachusetts | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | WIRELESS PROV | More |
| 979 | 273 | FAYETTEVL | Texas | TEXAS COMMUNICATIONS, INC. | WIRELESS PROV | More |
| 985 | 273 | COVINGTON | Louisiana | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 989 | 273 | HIGGINS LK | Michigan | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
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