Area
Code | Prefix | City/Switch Name
(Click for city search) | State/Prov.
Area Map | Telephone Company
Web link | Telco
Type | More
Info |
|---|
| 201 | 637 | HACKENSACK | New Jersey | NEW CINGULAR WIRELESS PCS, LLC - DC | WIRELESS PROV | More |
| 202 | 637 | WSHNGTNZN1 | District of Columbia | VERIZON WASHINGTON DC, INC. | RBOC | More |
| 203 | 637 | OLDGRNWICH | Connecticut | SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT | IND. TELCO | More |
| 204 | 637 | AUSTIN | Manitoba | MTS Inc. | IND. TELCO | More |
| 205 | 637 | BIRMINGHAM | Alabama | CHARTER FIBERLINK - ALABAMA, LLC - AL | | More |
| 206 | 637 | SEATTLE | Washington | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 207 | 637 | LIMINGTON | Maine | CONSOLIDATED COMMUNICATIONS OF MAINE COMPANY | IND. TELCO | More |
| 208 | 637 | POCATELLO | Idaho | QWEST CORPORATION | RBOC | More |
| 209 | 637 | TRACY | California | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 210 | 637 | SANANTONIO | Texas | SOUTHWESTERN BELL | RBOC | More |
| 212 | 637 | NWYRCYZN01 | New York | VERIZON NEW YORK, INC. | RBOC | More |
| 213 | 637 | LSAN DA 10 | California | PACIFIC BELL | RBOC | More |
| 214 | 637 | DALLAS | Texas | SOUTHWESTERN BELL | RBOC | More |
| 215 | 637 | PHLDLPHZN4 | Pennsylvania | VERIZON PENNSYLVANIA, INC. | RBOC | More |
| 217 | 637 | CHAMPAURBN | Illinois | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 218 | 637 | MENTOR | Minnesota | GARDEN VALLEY TEL. CO. | IND. TELCO | More |
| 224 | 637 | WAUKEGAN | Illinois | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 225 | 637 | LIVONIA | Louisiana | STAR TEL. CO., INC. | IND. TELCO | More |
| 229 | 637 | RHINE | Georgia | ONVOY, LLC - GA | | More |
| 231 | 637 | NORTHPORT | Michigan | TELNET WORLDWIDE, INC. | CLEC | More |
| 240 | 637 | WSHNGTNZN3 | Maryland | CORE COMMUNICATIONS, INC.- MD | CLEC | More |
| 248 | 637 | BIRMINGHAM | Michigan | MICHIGAN BELL TEL CO | RBOC | More |
| 250 | 637 | SANDSPIT | British Columbia | TELUS | IND. TELCO | More |
| 252 | 637 | NEW BERN | North Carolina | CAROLINA TEL AND TEL CO., LLC DBA CENTURYLINK | IND. TELCO | More |
| 254 | 637 | MERIDIAN | Texas | VALOR TELECOMM TX, LP-TX #1 DBA WINDSTREAM COMM SW | | More |
| 256 | 637 | COURTLAND | Alabama | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | RBOC | More |
| 260 | 637 | HUNTERTOWN | Indiana | FRONTIER NORTH, INC.. - IN | IND. TELCO | More |
| 262 | 637 | RACINE | Wisconsin | WISCONSIN BELL INC | RBOC | More |
| 267 | 637 | PHPHSBZN43 | Pennsylvania | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA | WIRELESS PROV | More |
| 269 | 637 | SOUTHHAVEN | Michigan | FRONTIER NORTH, INC. - MI | IND. TELCO | More |
| 270 | 637 | CALHOUN | Kentucky | ONVOY, LLC - KY | | More |
| 272 | 637 | LEROY | Pennsylvania | TON80 COMMUNICATIONS, LLC | | More |
| 276 | 637 | MAXMEADOWS | Virginia | UNITED TELEPHONE-SOUTHEAST-VA DBA CENTURYLINK-VA | IND. TELCO | More |
| 281 | 637 | SUGAR LAND | Texas | WINDSTREAM SUGAR LAND, LLC | IND. TELCO | More |
| 289 | 637 | Richmond Hill | Ontario | Fibernetics Corporation | | More |
| 301 | 637 | WSNGTNZN10 | Virginia | LEVEL 3 COMMUNICATIONS, LLC - MD | CLEC | More |
| 302 | 637 | WILMINGTON | Delaware | ONVOY, LLC - DE | | More |
| 303 | 637 | BRIGHTON | Colorado | QWEST CORPORATION | RBOC | More |
| 304 | 637 | ELKINS | West Virginia | FRONTIER WEST VIRGINIA INC. | RBOC | More |
| 305 | 637 | MIAMI | Florida | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 306 | 637 | ESTEVAN | Saskatchewan | SaskTel | IND. TELCO | More |
| 307 | 637 | CHEYENNE | Wyoming | QWEST CORPORATION | RBOC | More |
| 308 | 637 | SCOTSBLUFF | Nebraska | N.E. COLORADO CELLULAR, INC. | WIRELESS PROV | More |
| 309 | 637 | PEORIA | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 310 | 637 | CMTN CMTN | California | PACIFIC BELL | RBOC | More |
| 312 | 637 | CHICGOZN01 | Illinois | LEVEL 3 COMMUNICATIONS, LLC - IL | CLEC | More |
| 313 | 637 | DETROITZN6 | Michigan | PHONE MICHIGAN - MI | CLEC | More |
| 314 | 637 | RIVERVIEW | Missouri | GLOBAL CROSSING LOCAL SERVICES, INC. - MO | CLEC | More |
| 315 | 637 | FAYETTEVL | New York | VERIZON NEW YORK, INC. | RBOC | More |
| 317 | 637 | INDIANAPLS | Indiana | INDIANA BELL TEL CO INC | RBOC | More |
| 319 | 637 | KINGSTON | Iowa | MEDIAPOLIS TEL. CO. | IND. TELCO | More |
| 320 | 637 | SUNBURG | Minnesota | SPRINT COMMUNICATIONS COMPANY, L.P. - MN | CLEC | More |
| 321 | 637 | COCOA | Florida | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 323 | 637 | MONTEBELLO | California | METROPCS NETWORKS, LLC | | More |
| 330 | 637 | CORTLAND | Ohio | UNITED TEL. CO. OF OHIO DBA CENTURYLINK | IND. TELCO | More |
| 334 | 637 | THOMASVL | Alabama | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | RBOC | More |
| 336 | 637 | REIDSVILLE | North Carolina | US LEC OF NORTH CAROLINA, INC. | CLEC | More |
| 337 | 637 | RAYNE | Louisiana | ONVOY, LLC - LA | | More |
| 346 | 637 | KATY | Texas | TON80 COMMUNICATIONS, LLC | | More |
| 347 | 637 | NWYRCYZN04 | New York | OMNIPOINT COMMUNICATIONS, INC. - NY | WIRELESS PROV | More |
| 352 | 637 | INVERNESS | Florida | CENTURYLINK OF FLORIDA, INC. (UNITED) | IND. TELCO | More |
| 360 | 637 | ABERDEEN | Washington | LEVEL 3 COMMUNICATIONS, LLC - WA | CLEC | More |
| 401 | 637 | WESTERLY | Rhode Island | COMCAST IP PHONE, LLC | | More |
| 402 | 637 | OMAHA | Nebraska | QWEST CORPORATION | RBOC | More |
| 403 | 637 | CREMONA | Alberta | TELUS | IND. TELCO | More |
| 404 | 637 | ATLANTA | Georgia | POWERTEL ATLANTA LICENSES, INC. | WIRELESS PROV | More |
| 405 | 637 | OKLA CITY | Oklahoma | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 406 | 637 | TERRY | Montana | QWEST CORPORATION | RBOC | More |
| 407 | 637 | WINTERPARK | Florida | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - FL | WIRELESS PROV | More |
| 408 | 637 | LOS GATOS | California | U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS | | More |
| 410 | 637 | BALTIMORE | Maryland | VERIZON MARYLAND, INC. | RBOC | More |
| 412 | 637 | PTGSBNZN15 | Pennsylvania | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA | CLEC | More |
| 413 | 637 | LENOX | Massachusetts | VERIZON NEW ENGLAND INC. | RBOC | More |
| 415 | 637 | SNFC CNTRL | California | METROPCS, INC. | | More |
| 416 | 637 | Toronto | Ontario | Rogers Communications Partnership (Cable) | CLEC | More |
| 417 | 637 | GREENFIELD | Missouri | SPECTRA COMMUNICATIONS GROUP, LLC DBA CENTURYLINK | | More |
| 418 | 637 | ST FELICIEN | Quebec | Bell Mobility | WIRELESS PROV | More |
| 419 | 637 | GIBSONBURG | Ohio | FRONTIER NORTH, INC. - OH | IND. TELCO | More |
| 423 | 637 | CHATTNOOGA | Tennessee | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN | WIRELESS PROV | More |
| 425 | 637 | BELLEVUE | Washington | QWEST CORPORATION | RBOC | More |
| 434 | 637 | EMPORIA | Virginia | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA | WIRELESS PROV | More |
| 435 | 637 | PRICE | Utah | CARBON/EMERY TELCOM, INC. - UT | | More |
| 440 | 637 | PAINESVL | Ohio | LEVEL 3 COMMUNICATIONS, LLC - OH | CLEC | More |
| 442 | 637 | INDIO | California | TON80 COMMUNICATIONS, LLC | | More |
| 443 | 637 | ARGRGBSNIS | Maryland | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | CLEC | More |
| 450 | 637 | St-Chrysostome | Quebec | Videotron General Partnership | CLEC | More |
| 469 | 637 | LEWISVILLE | Texas | U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS | | More |
| 470 | 637 | ATLANTA | Georgia | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 479 | 637 | WALDRON | Arkansas | CENTURYTEL NW AR-RUSSELVL DBA CENTURYLINK-RUSSELLV | | More |
| 480 | 637 | PHOENIX | Arizona | TELEPORT COMMUNICATIONS AMERICA, LLC - AZ | CAP | More |
| 484 | 637 | FLEETWOOD | Pennsylvania | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | CLEC | More |
| 501 | 637 | LITTLEROCK | Arkansas | LEVEL 3 COMMUNICATIONS, LLC - AR | | More |
| 502 | 637 | LOUISVILLE | Kentucky | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | RBOC | More |
| 503 | 637 | ESTACADA | Oregon | CASCADE UTILITIES, INC. | IND. TELCO | More |
| 504 | 637 | HOUMA | Louisiana | NEXTEL COMMUNICATIONS, INC. | WIRELESS PROV | More |
| 505 | 637 | ROSWELL | New Mexico | QWEST CORPORATION | RBOC | More |
| 506 | 637 | ST JOHN | New Brunswick | Aliant Telecom(NB) | IND. TELCO | More |
| 507 | 637 | REDWOODFLS | Minnesota | QWEST CORPORATION | RBOC | More |
| 508 | 637 | NOBROOKFLD | Massachusetts | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | CLEC | More |
| 509 | 637 | WH SALMON | Washington | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 510 | 637 | OKLD MN-PD | California | PACIFIC BELL | RBOC | More |
| 512 | 637 | AUSTIN | Texas | AUSTIN BESTLINE COMPANY | CLEC | More |
| 513 | 637 | MASON | Ohio | ONVOY, LLC - OH | | More |
| 514 | 637 | LACHINE | Quebec | Bell Canada | IND. TELCO | More |
| 516 | 637 | NASSAUZN07 | New York | NEW CINGULAR WIRELESS PCS, LLC - DC | WIRELESS PROV | More |
| 517 | 637 | PALO | Michigan | FRONTIER NORTH, INC. - MI | IND. TELCO | More |
| 518 | 637 | LAKEPLACID | New York | LEVEL 3 TELECOM OF NEW YORK, LP - NY | CLEC | More |
| 519 | 637 | ST THOMAS | Ontario | Bell Canada | IND. TELCO | More |
| 520 | 637 | ASH FORK | Arizona | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 530 | 637 | CLFX WEMR | California | FRONTIER CALIFORNIA INC. | IND. TELCO | More |
| 540 | 637 | MCDOWELL | Virginia | LEVEL 3 COMMUNICATIONS, LLC - VA | CLEC | More |
| 541 | 637 | ROSEBURG | Oregon | QWEST CORPORATION | RBOC | More |
| 559 | 637 | REEDLEY | California | FRONTIER CALIFORNIA INC. | IND. TELCO | More |
| 561 | 637 | DELRAY BCH | Florida | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 562 | 637 | LONG BEACH | California | TELEPORT COMMUNICATIONS AMERICA, LLC - CA | CLEC | More |
| 563 | 637 | MAYNARD | Iowa | WINDSTREAM IOWA COMMUNICATIONS, INC. | | More |
| 570 | 637 | TOWANDA | Pennsylvania | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA | WIRELESS PROV | More |
| 571 | 637 | WSNGTNZN08 | Virginia | TELEPORT COMMUNICATIONS AMERICA, LLC - DC | CLEC | More |
| 573 | 637 | LESTERVL | Missouri | SPECTRA COMMUNICATIONS GROUP, LLC DBA CENTURYLINK | | More |
| 575 | 637 | ROSWELL | New Mexico | QWEST CORPORATION | RBOC | More |
| 580 | 637 | ALFALFA | Oklahoma | CARNEGIE TEL. CO. | IND. TELCO | More |
| 585 | 637 | BROCKPORT | New York | FRONTIER TELEPHONE OF ROCHESTER, INC. | IND. TELCO | More |
| 601 | 637 | LAUREL | Mississippi | COMCAST IP PHONE, LLC | | More |
| 602 | 637 | PHOENIX | Arizona | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 603 | 637 | BEDFORD | New Hampshire | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH | CLEC | More |
| 604 | 637 | VANCOUVER | British Columbia | MTS Allstream Inc. | CLEC | More |
| 605 | 637 | NEWEFFNGTN | South Dakota | RC TECHNOLOGIES | IND. TELCO | More |
| 606 | 637 | PIKEVILLE | Kentucky | INTER MOUNTAIN CABLE DBA MIKROTEC COMMUNICATIONS | CLEC | More |
| 607 | 637 | HANCOCK | New York | HANCOCK TEL. CO. | IND. TELCO | More |
| 608 | 637 | VIROQUA | Wisconsin | FRONTIER COMMUNICATIONS OF WISCONSIN LLC | IND. TELCO | More |
| 609 | 637 | EWING | New Jersey | VERIZON NEW JERSEY, INC. | RBOC | More |
| 610 | 637 | PHPHSBZN28 | Pennsylvania | METROPCS, INC. | | More |
| 613 | 637 | WHITNEY | Ontario | Bell Canada | IND. TELCO | More |
| 614 | 637 | ALTON | Ohio | USA MOBILITY WIRELESS, INC. | WIRELESS PROV | More |
| 615 | 637 | SCUNNINGHA | Tennessee | BANDWIDTH.COM CLEC, LLC - TN | | More |
| 616 | 637 | SOUTH HAVEN | Michigan | FRONTIER NORTH, INC. - MI | IND. TELCO | More |
| 617 | 637 | BOSTON | Massachusetts | METROPCS, INC. | | More |
| 618 | 637 | LIVINGSTON | Illinois | MADISON TEL. CO. | IND. TELCO | More |
| 619 | 637 | PINEVALLEY | California | IP HORIZON LLC | | More |
| 620 | 637 | TORONTO | Kansas | UNITED TEL OF EASTERN KANSAS DBA CENTURYLINK | IND. TELCO | More |
| 626 | 637 | ARCADIA | California | FRACTEL, LLC | | More |
| 630 | 637 | NAPERVILLE | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 631 | 637 | BRENTWOOD | New York | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | CLEC | More |
| 636 | 637 | FSSCRSTLCY | Missouri | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO | CLEC | More |
| 641 | 637 | NEW SHARON | Iowa | WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS | | More |
| 646 | 637 | MANHATTAN | New York | TC SYSTEMS, INC. - NY | CAP | More |
| 647 | 637 | Toronto | Ontario | TELUS Mobility | PCS | More |
| 650 | 637 | SAN CARLOS | California | PACIFIC BELL | RBOC | More |
| 651 | 637 | STPZ 2 | Minnesota | QWEST CORPORATION | RBOC | More |
| 657 | 637 | ANAHEIM | California | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | WIRELESS PROV | More |
| 661 | 637 | BAKERSFIELD | California | PACIFIC BELL | RBOC | More |
| 662 | 637 | SLATE SPRINGS | Mississippi | CALHOUN CITY TEL. CO., INC. | IND. TELCO | More |
| 678 | 637 | ATLANTA | Georgia | POWERTEL ATLANTA LICENSES, INC. | WIRELESS PROV | More |
| 701 | 637 | HETTINGER | North Dakota | MIDCONTINENT COMMUNICATIONS - ND | | More |
| 702 | 637 | LAS VEGAS | Nevada | ONVOY, LLC - NV | | More |
| 703 | 637 | WASHINGTON DC | Virginia | LEVEL 3 COMMUNICATIONS, LLC - VA | CLEC | More |
| 704 | 637 | SALISBURY | North Carolina | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 705 | 637 | Bracebridge | Ontario | TELUS Integrated Communications | CLEC | More |
| 706 | 637 | HOGANSVILLE | Georgia | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 707 | 637 | SANTA CLARA | California | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 708 | 637 | CHICAGO | Illinois | OVATION COMMUNICATIONS OF ILLINOIS, INC. | CLEC | More |
| 709 | 637 | CORNER BROOK | Newfoundland | Aliant Telecom (NF) | IND. TELCO | More |
| 712 | 637 | LAKE VIEW | Iowa | GREAT LAKES COMMUNICATION CORP. - IA | | More |
| 713 | 637 | HOUSTON GLENDALE | Texas | SOUTHWESTERN BELL | RBOC | More |
| 714 | 637 | ORANGE | California | PACIFIC BELL | RBOC | More |
| 715 | 637 | BARRON | Wisconsin | CTC TELCOM, INC. | CLEC | More |
| 716 | 637 | BROCKPORT | New York | ONVOY, LLC- NY | | More |
| 717 | 637 | HANOVER | Pennsylvania | UNITED TEL CO. OF PENNSYLVANIA DBA CENTURYLINK | IND. TELCO | More |
| 718 | 637 | REGO PARK | New York | TC SYSTEMS, INC. - NY | CAP | More |
| 719 | 637 | COLORADO SPRINGS | Colorado | QWEST CORPORATION | RBOC | More |
| 720 | 637 | DENVER | Colorado | ONVOY, LLC - CO | | More |
| 724 | 637 | WEST SUNBURY | Pennsylvania | UNITED TEL CO. OF PENNSYLVANIA DBA CENTURYLINK | IND. TELCO | More |
| 727 | 637 | CLEARWATER | Florida | AERIAL COMMUNICATIONS, INC. | WIRELESS PROV | More |
| 732 | 637 | FREEHOLD | New Jersey | MONMOUTH TELEPHONE AND TELEGRAPH, INC. - NJ | | More |
| 734 | 637 | PLYMOUTH | Michigan | OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC | | More |
| 737 | 637 | THORNDTHRL | Texas | ONVOY, LLC - TX | | More |
| 740 | 637 | BAINBDG | Ohio | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH | WIRELESS PROV | More |
| 743 | 637 | WINSTN SAL | North Carolina | ONVOY, LLC - NC | | More |
| 757 | 637 | NPNZ 2 | Virginia | COX VIRGINIA TELCOM, INC. - VA | CLEC | More |
| 760 | 637 | OCSD OCSD | California | COMCAST IP PHONE, LLC | | More |
| 765 | 637 | LAFAYETTE | Indiana | LEVEL 3 COMMUNICATIONS, LLC - IN | CLEC | More |
| 770 | 637 | NORCROSS | Georgia | ONVOY, LLC - GA | | More |
| 773 | 637 | CHCZ 5 | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 774 | 637 | SHREWSBURY | Massachusetts | TON80 COMMUNICATIONS, LLC | | More |
| 775 | 637 | GABBS | Nevada | ONVOY, LLC - NV | | More |
| 778 | 637 | Vanderhoof | British Columbia | Fido Solutions Inc. | | More |
| 780 | 637 | Edmonton | Alberta | Bell West Inc. | | More |
| 781 | 637 | WEYMOUTH | Massachusetts | NORFOLK COUNTY INTERNET, INC. | CLEC | More |
| 785 | 637 | GORHAM | Kansas | GORHAM TEL. CO., INC. | IND. TELCO | More |
| 786 | 637 | MIAMI | Florida | OMNIPOINT MIAMI E LICENSE, LLC | PCS | More |
| 787 | 637 | SANTURCE | Puerto Rico | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 801 | 637 | SALT LAKE CITY | Utah | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 802 | 637 | MARSHFIELD | Vermont | ONVOY, LLC - VT | | More |
| 803 | 637 | EDGEFIELD | South Carolina | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 804 | 637 | EMPORIA | Virginia | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | WIRELESS PROV | More |
| 805 | 637 | SANBARBARA | California | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 806 | 637 | BROWNFIELD | Texas | VALOR TELECOMM TX, LP-TX #1 DBA WINDSTREAM COMM SW | | More |
| 808 | 637 | WAIALUA | Hawaii | HAWAIIAN TELCOM, INC. - HI | IND. TELCO | More |
| 810 | 637 | DETROIT | Michigan | LEVEL 3 COMMUNICATIONS, LLC - MI | CLEC | More |
| 812 | 637 | W HARRISON | Indiana | CINCINNATI BELL | IND. TELCO | More |
| 813 | 637 | TAMPA | Florida | FRONTIER FLORIDA LLC DBA FRONTIER COMM OF FLORIDA | IND. TELCO | More |
| 814 | 637 | PENFIELD | Pennsylvania | WINDSTREAM PENNSYLVANIA, INC. | IND. TELCO | More |
| 815 | 637 | ROCKFORD | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 816 | 637 | EXCELSIOR SPRINGS | Missouri | SOUTHWESTERN BELL | RBOC | More |
| 817 | 637 | FORT WORTH | Texas | METROPCS, INC. | | More |
| 818 | 637 | GLENDALE | California | PACIFIC BELL | RBOC | More |
| 819 | 637 | CLERICY | Quebec | Telebec Ltee. | IXC | More |
| 828 | 637 | HICKORY | North Carolina | DISH WIRELESS, LLC | | More |
| 830 | 637 | MARBLE FLS | Texas | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX | WIRELESS PROV | More |
| 831 | 637 | HOLLISTER | California | PACIFIC BELL | RBOC | More |
| 832 | 637 | HOUSTON | Texas | U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS | | More |
| 843 | 637 | CHARLESTON | South Carolina | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SC | WIRELESS PROV | More |
| 845 | 637 | POUGHKEEPSIE | New York | LEVEL 3 COMMUNICATIONS, LLC - NY | CLEC | More |
| 847 | 637 | OAKBROOK | Illinois | AT&T - LOCAL | CLEC | More |
| 850 | 637 | PENSACOLA | Florida | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 856 | 637 | CAMDEN | New Jersey | PAETEC COMMUNICATIONS, INC. - NJ | CLEC | More |
| 858 | 637 | SAN DIEGO | California | PACIFIC BELL | RBOC | More |
| 860 | 637 | SOUTHINGTON | Connecticut | METROPCS, INC. | | More |
| 864 | 637 | CENTRAL | South Carolina | DELTACOM, INC. - SC | CLEC | More |
| 865 | 637 | KNOXVILLE | Tennessee | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | RBOC | More |
| 870 | 637 | WALNUT RIDGE | Arkansas | E. RITTER COMMS DBA RITTER COMMUNICATIONS, INC. AR | | More |
| 901 | 637 | MEMPHIS | Tennessee | USA MOBILITY WIRELESS, INC. | WIRELESS PROV | More |
| 902 | 637 | BARRINGTON | Nova Scotia | Aliant Telecom (NS) | IND. TELCO | More |
| 903 | 637 | PITTSBURG | Texas | AMERICAN MESSAGING SERVICES, LLC | | More |
| 904 | 637 | ORANGE PARK | Florida | WINDSTREAM NUVOX, INC. - FL | CLEC | More |
| 905 | 637 | BURLINGTON | Ontario | Bell Canada | IND. TELCO | More |
| 908 | 637 | GREAT MEADOWS | New Jersey | UNITED TEL. CO. OF NEW JERSEY DBA CENTURYLINK | IND. TELCO | More |
| 909 | 637 | ARLINGTON | California | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | WIRELESS PROV | More |
| 910 | 637 | ABERDEEN | North Carolina | TIME WARNER CBL INFO SVC (NC) DBA TIME WARNER CBL | | More |
| 912 | 637 | FARGO | Georgia | GEORGIA WINDSTREAM, INC. | IND. TELCO | More |
| 914 | 637 | WCHZ 3 | New York | VERIZON NEW YORK, INC. | RBOC | More |
| 915 | 637 | EL PASO | Texas | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX | WIRELESS PROV | More |
| 916 | 637 | SCRM MAIN | California | PAETEC COMMUNICATIONS, INC. - CA | CLEC | More |
| 917 | 637 | NYCZ 1 | New York | VERIZON NEW YORK, INC. | RBOC | More |
| 918 | 637 | TULSA | Oklahoma | UNITED STATES CELLULAR - OK | WIRELESS PROV | More |
| 919 | 637 | RALEIGH | North Carolina | SUNCOM DBA T-MOBILE USA | PCS | More |
| 920 | 637 | GREEN BAY | Wisconsin | UNITED STATES CELLULAR - WI | WIRELESS PROV | More |
| 928 | 637 | ASH FORK | Arizona | QWEST CORPORATION | RBOC | More |
| 929 | 637 | NWYRCYZN04 | New York | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY | WIRELESS PROV | More |
| 931 | 637 | LEWISBURG | Tennessee | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 936 | 637 | LUFKIN | Texas | CONSOLIDATED COMMUNICATIONS OF TEXAS COMPANY | IND. TELCO | More |
| 937 | 637 | ENON | Ohio | ONVOY, LLC - OH | | More |
| 940 | 637 | VALLEY VIEW EAST | Texas | MUENSTER TELEPHONE CORP. OF TEXAS DBA NORTEX COMM | IND. TELCO | More |
| 941 | 637 | PUNTA GORDA | Florida | CENTURYLINK OF FLORIDA, INC. (UNITED) | IND. TELCO | More |
| 948 | 637 | TANGIER | Virginia | TON80 COMMUNICATIONS, LLC | | More |
| 949 | 637 | LAGUNA BEACH | California | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 951 | 637 | ARLINGTON | California | PACIFIC BELL | RBOC | More |
| 954 | 637 | DEERFLDBCH | Florida | BANDWIDTH.COM CLEC, LLC - FL | | More |
| 956 | 637 | SANTA ROSA | Texas | AT&T - LOCAL | CLEC | More |
| 970 | 637 | GLENWD SPG | Colorado | GRAND VALLEY INTERNET, INC. - CO | | More |
| 972 | 637 | DALLAS 1 | Texas | LEVEL 3 OF TELECOM OF TEXAS, LLC - TX | CAP | More |
| 973 | 637 | FREEHOLD | New Jersey | AT&T - LOCAL | CLEC | More |
| 978 | 637 | FRAMINGHAM | Massachusetts | AT&T - LOCAL | CLEC | More |
| 979 | 637 | EL CAMPO | Texas | AERIAL COMMUNICATIONS, INC. | WIRELESS PROV | More |
| 985 | 637 | HOUMA | Louisiana | VOICESTREAM GSM I, LLC | | More |
| 989 | 637 | PALO | Michigan | FRONTIER NORTH, INC. - MI | IND. TELCO | More |
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