Area
Code | Prefix | City/Switch Name
(Click for city search) | State/Prov.
Area Map | Telephone Company
Web link | Telco
Type | More
Info |
|---|
| 201 | 375 | HASBROKHTS | New Jersey | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | CLEC | More |
| 202 | 375 | WSHNGTNZN1 | District of Columbia | TW TELECOM OF DC LLC - DC | CLEC | More |
| 203 | 375 | BRIDGEPORT | Connecticut | SOUTHERN NEW ENGLAND TELEPHONE CO. | IND. TELCO | More |
| 204 | 375 | MARQUETTE | Manitoba | MTS Inc. | IND. TELCO | More |
| 205 | 375 | REFORM | Alabama | CENTURYTEL TEL AL LLC (NORTHERN) DBA CENTURYLINK | | More |
| 206 | 375 | SEATTLE | Washington | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA | | More |
| 207 | 375 | SABATTUS | Maine | NO NEW ENGLAND TEL OP DBA FAIRPOINT COMM - ME | RBOC | More |
| 208 | 375 | BOISE | Idaho | QWEST CORPORATION | RBOC | More |
| 209 | 375 | YOSEMITE | California | PACIFIC BELL | RBOC | More |
| 210 | 375 | SANANTONIO | Texas | SOUTHWESTERN BELL | RBOC | More |
| 212 | 375 | NWYRCYZN01 | New York | VERIZON NEW YORK, INC. | RBOC | More |
| 213 | 375 | LSAN DA 10 | California | U.S. TELEPACIFIC CORP. - CA | CLEC | More |
| 214 | 375 | DALLAS | Texas | SOUTHWESTERN BELL | RBOC | More |
| 215 | 375 | PHPHSBZN43 | Pennsylvania | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | CLEC | More |
| 216 | 375 | CLEVELAND | Ohio | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 217 | 375 | EAST LYNN | Illinois | FRONTIER COMMUNICATIONS OF THE CAROLINAS, INC - IL | IND. TELCO | More |
| 218 | 375 | CALLAWAY | Minnesota | CALLAWAY TELEPHONE EXCHANGE | IND. TELCO | More |
| 229 | 375 | VALDOSTA | Georgia | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - GA | WIRELESS PROV | More |
| 231 | 375 | MUSKEGON | Michigan | COMLINK, LLC - MI | | More |
| 240 | 375 | WSHNGTNZN5 | Maryland | SPRINT SPECTRUM L.P. | PCS | More |
| 248 | 375 | ROCHESTER | Michigan | AMERITECH MICHIGAN | RBOC | More |
| 250 | 375 | WESTWOLD | British Columbia | TELUS | IND. TELCO | More |
| 251 | 375 | MOBILE | Alabama | TW TELECOM OF ALABAMA LLC - AL | CLEC | More |
| 252 | 375 | GREENVILLE | North Carolina | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC | WIRELESS PROV | More |
| 253 | 375 | GRAHAM | Washington | TELEPORT COMMUNICATIONS GROUP - SEATTLE | CAP | More |
| 254 | 375 | KOSSE | Texas | UNITED TELEPHONE OF TEXAS INC DBA CENTURYLINK | IND. TELCO | More |
| 256 | 375 | TALLADEGA | Alabama | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 260 | 375 | WARREN | Indiana | CITIZENS TELEPHONE CORP. | IND. TELCO | More |
| 262 | 375 | CEDARBURG | Wisconsin | AMERITECH WISCONSIN | RBOC | More |
| 267 | 375 | QUAKERTOWN | Pennsylvania | RCN TELECOM SERVICE OF PENNSYLVANIA, INC. | CLEC | More |
| 269 | 375 | KALAMAZOO | Michigan | AMERITECH MICHIGAN | RBOC | More |
| 270 | 375 | CENTERTOWN | Kentucky | TIME WARNER CBL INFO SV (KY) DBA TIME WARNER-KY | | More |
| 281 | 375 | BROOKSHIRE | Texas | CONSOLIDATED COMMUNICATIONS OF FORT BEND COMPANY | IND. TELCO | More |
| 289 | 375 | Streetsville | Ontario | TELUS Integrated Communications | CLEC | More |
| 301 | 375 | INDIANHEAD | Maryland | VERIZON MARYLAND, INC. | RBOC | More |
| 302 | 375 | HOLLY OAK | Delaware | CAVALIER TELEPHONE, LLC (MID-ATLANTIC) - DE | CLEC | More |
| 303 | 375 | DENVER | Colorado | QWEST CORPORATION | RBOC | More |
| 304 | 375 | WILLIAMSTN | West Virginia | FRONTIER WEST VIRGINIA INC. | RBOC | More |
| 305 | 375 | MIAMI | Florida | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 306 | 375 | KYLE | Saskatchewan | SaskTel | IND. TELCO | More |
| 307 | 375 | WORLAND | Wyoming | RT COMMUNICATIONS | IXC | More |
| 308 | 375 | LEBANON | Nebraska | HARTMAN TELEPHONE EXCHANGE, INC. | IND. TELCO | More |
| 309 | 375 | WATAGA | Illinois | GALLATIN RIVER COMMUNICATIONS DBA CENTURYLINK | IND. TELCO | More |
| 310 | 375 | REDONDO | California | VERIZON CALIFORNIA INC.-CA (GTE) | IND. TELCO | More |
| 312 | 375 | CHICGOZN01 | Illinois | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 313 | 375 | DETROITZN6 | Michigan | AMERITECH MICHIGAN | RBOC | More |
| 314 | 375 | OAKVILLE | Missouri | WINDSTREAM NUVOX MISSOURI INC. - MO | CLEC | More |
| 315 | 375 | MORRISTOWN | New York | VERIZON NEW YORK, INC. | RBOC | More |
| 317 | 375 | INDIANAPLS | Indiana | AMERITECH INDIANA | RBOC | More |
| 318 | 375 | VIVIAN | Louisiana | CENTURYTEL NORTHWEST LOUISIANA INC DBA CENTURYLINK | IND. TELCO | More |
| 319 | 375 | CEDAR RPDS | Iowa | QWEST CORPORATION | RBOC | More |
| 320 | 375 | SANDSTONE | Minnesota | ENVENTIS TELECOM, INC. - MN | CLEC | More |
| 323 | 375 | LSAN DA 02 | California | PAC - WEST TELECOMM, INC. | CLEC | More |
| 330 | 375 | AKRON | Ohio | AMERITECH OHIO | RBOC | More |
| 334 | 375 | SELMA | Alabama | LEVEL 3 COMMUNICATIONS, LLC - AL | | More |
| 336 | 375 | GREENSBORO | North Carolina | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 337 | 375 | DE RIDDER | Louisiana | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - LA | WIRELESS PROV | More |
| 347 | 375 | NWYRCYZN03 | New York | SPRINT SPECTRUM L.P. | PCS | More |
| 352 | 375 | GAINESVL | Florida | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 360 | 375 | SAN JUAN | Washington | CENTURYTEL OF INTER-ISLAND, INC. DBA CENTURYLINK | IND. TELCO | More |
| 361 | 375 | PETTUS | Texas | CENTRAL TEL. CO. OF TEXAS DBA CENTURYLINK | IND. TELCO | More |
| 385 | 375 | PROVO | Utah | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT | WIRELESS PROV | More |
| 401 | 375 | TIVERTON | Rhode Island | CTC COMMUNICATIONS CORP. - RI | | More |
| 402 | 375 | WAYNE | Nebraska | QWEST CORPORATION | RBOC | More |
| 403 | 375 | ROSALIND | Alberta | TELUS | IND. TELCO | More |
| 404 | 375 | ATLANTA | Georgia | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 405 | 375 | KINGFISHER | Oklahoma | PIONEER TELEPHONE COOPERATIVE, INC. | IND. TELCO | More |
| 406 | 375 | HAMILTON | Montana | QWEST CORPORATION | RBOC | More |
| 407 | 375 | ORLANDO | Florida | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - FL | WIRELESS PROV | More |
| 408 | 375 | CAMPBELL | California | SPRINT SPECTRUM L.P. | PCS | More |
| 409 | 375 | XXXXXXXXXX | Texas | SOUTHWESTERN BELL | RBOC | More |
| 410 | 375 | BALTIMORE | Maryland | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | WIRELESS PROV | More |
| 412 | 375 | PTGSBNZN15 | Pennsylvania | TCG PITTSBURGH, INC. | CAP | More |
| 413 | 375 | HAMPDEN | Massachusetts | GLOBAL NAPS, INC.-MA | CLEC | More |
| 414 | 375 | MILWAUKZN4 | Wisconsin | LEVEL 3 COMMUNICATIONS, LLC - WI | | More |
| 415 | 375 | SNFC MT-EV | California | GLOBAL CROSSING LOCAL SERVICES, INC.-CA | CLEC | More |
| 416 | 375 | TORONTO | Ontario | Bell Canada | IND. TELCO | More |
| 417 | 375 | COLLINS | Missouri | CD TELECOMMUNICATIONS, LLC - MO | | More |
| 418 | 375 | New Carlisle | Quebec | Bell Mobility | WIRELESS PROV | More |
| 419 | 375 | FTRECOVERY | Ohio | FRONTIER NORTH, INC. - OH | IND. TELCO | More |
| 423 | 375 | BENTON | Tennessee | SBC INTERNET SERVICES, INC. | | More |
| 424 | 375 | CMTN GRDN | California | BROADVOX-CLEC, LLC - CA | | More |
| 425 | 375 | BOTHELL | Washington | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 432 | 375 | BALMORHEA | Texas | VALOR TELECOMM TX, LD-TX #2 DBA WINDSTREAM COMM SW | | More |
| 440 | 375 | PAINESVL | Ohio | BROADWING COMMUNICATIONS, LLC - OH | | More |
| 443 | 375 | HAMPSTEAD | Maryland | SPRINT SPECTRUM L.P. - MD | PCS | More |
| 450 | 375 | GRANBY | Quebec | Bell Canada | IND. TELCO | More |
| 469 | 375 | DALLAS | Texas | ALLEGIANCE TELECOM, INC. - TX | CLEC | More |
| 470 | 375 | ATLANTA NE | Georgia | COMCAST PHONE OF GEORGIA, LLC - GA | CLEC | More |
| 478 | 375 | IDEAL | Georgia | SOUTHERN COMMUNICATIONS SERVICES | WIRELESS PROV | More |
| 480 | 375 | PHOENIX | Arizona | TELEPORT COMMUNICATIONS GROUP - PHOENIX | CAP | More |
| 484 | 375 | ALLENTOWN | Pennsylvania | ALLEGIANCE TELECOM OF PENNSYLVANIA, INC. | CLEC | More |
| 501 | 375 | LITTLEROCK | Arkansas | SOUTHWESTERN BELL | RBOC | More |
| 502 | 375 | LOUISVILLE | Kentucky | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | RBOC | More |
| 503 | 375 | SALEM | Oregon | QWEST CORPORATION | RBOC | More |
| 504 | 375 | HAMMOND | Louisiana | BELLSOUTH TELECOMM INC - LA | RBOC | More |
| 505 | 375 | MAXWELL | New Mexico | BANDWIDTH.COM CLEC, LLC - NM | | More |
| 506 | 375 | HARTLAND | New Brunswick | Aliant Telecom(NB) | IND. TELCO | More |
| 507 | 375 | ST JAMES | Minnesota | EMBARQ MINNESOTA DBA CENTURYLINK | IND. TELCO | More |
| 508 | 375 | BARNSTABLE | Massachusetts | VERIZON NEW ENGLAND INC. | RBOC | More |
| 509 | 375 | RICHLAND | Washington | FRONTIER COMMUNICATIONS NORTHWEST INC. - WA | IND. TELCO | More |
| 510 | 375 | RICHMOND | California | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 512 | 375 | AUSTIN | Texas | SPRINT SPECTRUM L.P. | PCS | More |
| 513 | 375 | CINCINNATI | Ohio | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 514 | 375 | Montreal | Quebec | MTS Allstream Inc. | CLEC | More |
| 515 | 375 | BRADGATE | Iowa | QWEST CORPORATION | RBOC | More |
| 516 | 375 | NASSAUZN05 | New York | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY | WIRELESS PROV | More |
| 517 | 375 | FOWLERVL | Michigan | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI | WIRELESS PROV | More |
| 518 | 375 | ALBANY | New York | LEVEL 3 COMMUNICATIONS, LLC - NY | CLEC | More |
| 519 | 375 | OWEN SOUND | Ontario | Bell Canada | IND. TELCO | More |
| 520 | 375 | NOGALES | Arizona | QWEST CORPORATION | RBOC | More |
| 530 | 375 | WESTWOOD | California | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 540 | 375 | SALEM | Virginia | VERIZON VIRGINIA, INC. | RBOC | More |
| 541 | 375 | PORTLAND | Oregon | QWEST CORPORATION | RBOC | More |
| 559 | 375 | FRESNO | California | SBC INTERNET SERVICES, INC. | | More |
| 561 | 375 | BOYNTONBCH | Florida | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 562 | 375 | ALAMITOS | California | LEVEL 3 COMMUNICATIONS, LLC - CA | CLEC | More |
| 570 | 375 | PITTSTON | Pennsylvania | CORE COMMUNICATIONS, INC. - PA | | More |
| 571 | 375 | HERNDON | Virginia | MCI WORLDCOM COMMUNICATIONS, INC. - VA | CLEC | More |
| 573 | 375 | ELDON | Missouri | UNITED STATES CELLULAR CORP. - MISSOURI | WIRELESS PROV | More |
| 575 | 375 | MAXWELL | New Mexico | BACA VALLEY TELEPHONE CO., INC. | IND. TELCO | More |
| 580 | 375 | WEATHERFD | Oklahoma | FULLTEL, INC. | CLEC | More |
| 581 | 375 | Sainte-Marie-de-Bea | Quebec | Videotron General Partnership | CLEC | More |
| 585 | 375 | OLEAN | New York | PAETEC COMMUNICATIONS, INC. - NY | CLEC | More |
| 586 | 375 | MT CLEMENS | Michigan | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI | WIRELESS PROV | More |
| 601 | 375 | SOSO | Mississippi | BAY SPRINGS TELEPHONE CO., INC. | IND. TELCO | More |
| 602 | 375 | PHOENIX | Arizona | QWEST CORPORATION | RBOC | More |
| 603 | 375 | CONCORD | New Hampshire | TIME WARNER CABLE INFORMATION SVCS (NEW HAMPSHIRE) | | More |
| 604 | 375 | NEW WESTMINSTER | British Columbia | Rogers Communications Partnership (Wireless) | WIRELESS PROV | More |
| 605 | 375 | BUFFALO | South Dakota | WEST RIVER COOPERATIVE TELEPHONE COMPANY | IND. TELCO | More |
| 606 | 375 | MAYSVILLE | Kentucky | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - KY | WIRELESS PROV | More |
| 607 | 375 | ITHACA | New York | TELEPORT COMMUNICATIONS GROUP - NY | CAP | More |
| 608 | 375 | BOSCOBEL | Wisconsin | CENTURYTEL MIDWEST-WI LLC NW DBA CENTURYLINK - NW | IND. TELCO | More |
| 609 | 375 | PRINCETON | New Jersey | TCG NEW JERSEY, INC. - NJ | CLEC | More |
| 610 | 375 | READING | Pennsylvania | VERIZON PENNSYLVANIA, INC. | RBOC | More |
| 612 | 375 | TWINCITIES | Minnesota | QWEST CORPORATION | RBOC | More |
| 613 | 375 | PARHAM | Ontario | North Frontenac Telephone Company | IND. TELCO | More |
| 614 | 375 | COLUMBUS | Ohio | CHOICE ONE COMMUNICATIONS, INC. - OH | | More |
| 615 | 375 | DICKSON | Tennessee | NUVOX COMMUNICATIONS | CLEC | More |
| 616 | 375 | OSHTEMO | Michigan | SPRINT SPECTRUM L.P. | PCS | More |
| 617 | 375 | BOSTON | Massachusetts | VERIZON NEW ENGLAND INC. | RBOC | More |
| 618 | 375 | GRAYVILLE | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 619 | 375 | EL CAJON | California | BANDWIDTH.COM CLEC, LLC - CA | | More |
| 620 | 375 | LEOTI | Kansas | SUNFLOWER TELEPHONE CO., INC. | IND. TELCO | More |
| 626 | 375 | PSDN PSDN | California | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 630 | 375 | AURORA | Illinois | AMERITECH ILLINOIS | RBOC | More |
| 631 | 375 | RIVERHEAD | New York | NEW CINGULAR WIRELESS PCS, LLC - DC | WIRELESS PROV | More |
| 636 | 375 | HOUSE SPRINGS | Missouri | SOUTHWESTERN BELL | RBOC | More |
| 646 | 375 | NEW YORK CITY | New York | XO NEW YORK, INC. | CLEC | More |
| 650 | 375 | BURLINGAME | California | PACIFIC BELL | RBOC | More |
| 651 | 375 | TWINCITIES | Minnesota | QWEST CORPORATION | RBOC | More |
| 660 | 375 | WESTVILLE | Missouri | CHARITON VALLEY CELLULAR | WIRELESS PROV | More |
| 661 | 375 | DELANO | California | ARRIVAL COMMUNICATIONS, INC. - CA | CLEC | More |
| 662 | 375 | SUMNER | Mississippi | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | RBOC | More |
| 678 | 375 | NORCROSS | Georgia | TW TELECOM OF GEORGIA LP - GA | | More |
| 681 | 375 | BLACKSVL | West Virginia | CORETEL VIRGINIA, LLC - WV | | More |
| 701 | 375 | FULLERTON | North Dakota | DICKEY RURAL TELEPHONE COOPERATIVE | IND. TELCO | More |
| 702 | 375 | LAS VEGAS | Nevada | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NV | WIRELESS PROV | More |
| 703 | 375 | HERNDON | Virginia | VERIZON VIRGINIA, INC. | RBOC | More |
| 704 | 375 | CHARLOTTE | North Carolina | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 705 | 375 | MACTIER | Ontario | Bell Canada | IND. TELCO | More |
| 706 | 375 | CHICKAMAUGA | Georgia | CHICKAMAUGA TELEPHONE CORP. | IND. TELCO | More |
| 707 | 375 | OAKLAND | California | PAC - WEST TELECOMM, INC. | CLEC | More |
| 708 | 375 | BELLWOOD | Illinois | OVATION COMMUNICATIONS OF ILLINOIS, INC. | CLEC | More |
| 709 | 375 | Terrenceville | Newfoundland | Bragg Communications Inc. | CLEC | More |
| 712 | 375 | PIERSON | Iowa | FRONTIER COMMUNICATIONS OF IOWA, INC. | IND. TELCO | More |
| 713 | 375 | HOUSTON | Texas | TIME WARNER COMMUNICATIONS OF HOUSTON, L.P. | CLEC | More |
| 714 | 375 | HUNTINGTON BEACH | California | VERIZON CALIFORNIA INC.-CA (GTE) | IND. TELCO | More |
| 715 | 375 | BENNETT | Wisconsin | CENTURYTEL NW WISCONSIN LLC DBA CENTURYLINK | IND. TELCO | More |
| 716 | 375 | OLEAN | New York | VERIZON NEW YORK, INC. | RBOC | More |
| 717 | 375 | MARION | Pennsylvania | UNITED TEL CO. OF PENNSYLVANIA DBA CENTURYLINK | IND. TELCO | More |
| 718 | 375 | NYCZ 7 | New York | VERIZON NEW YORK, INC. | RBOC | More |
| 719 | 375 | COLORDOSPG | Colorado | COMCAST PHONE OF COLORADO, LLC - CO | | More |
| 720 | 375 | DENVER | Colorado | COMMNET WIRELESS, LLC | | More |
| 724 | 375 | ALIQUIPPA | Pennsylvania | VERIZON PENNSYLVANIA, INC. | RBOC | More |
| 727 | 375 | NEW PORT RICHEY | Florida | VERIZON FLORIDA INC. | IND. TELCO | More |
| 732 | 375 | DUNELLEN | New Jersey | COMCAST BUSINESS COMMUNICATIONS, INC. - NJ | | More |
| 734 | 375 | DETROIT | Michigan | TCG DETROIT - MI | | More |
| 740 | 375 | MARION | Ohio | FRONTIER NORTH, INC. - OH | IND. TELCO | More |
| 757 | 375 | NORFOLK ZONE 2 | Virginia | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA | WIRELESS PROV | More |
| 760 | 375 | RIDGECREST | California | VERIZON CALIFORNIA INC.-CA | IND. TELCO | More |
| 765 | 375 | INDIANAPOLIS | Indiana | WINDSTREAM NORLIGHT, INC. - IN | CLEC | More |
| 770 | 375 | ATLANTA | Georgia | MCI WORLDCOM COMMUNICATIONS, INC. - GA | CLEC | More |
| 773 | 375 | CHCZ 9 | Illinois | AMERITECH ILLINOIS | RBOC | More |
| 775 | 375 | STATELINE | Nevada | BANDWIDTH.COM CLEC, LLC - NV | | More |
| 778 | 375 | Vancouver | British Columbia | MTS Allstream Inc. | CLEC | More |
| 780 | 375 | ROSALIND | Alberta | TELUS | IND. TELCO | More |
| 781 | 375 | BOSTON | Massachusetts | TELEPORT COMMUNICATIONS GROUP - BOSTON | CAP | More |
| 785 | 375 | JUNCTION CITY | Kansas | SPRINT SPECTRUM L.P. | PCS | More |
| 786 | 375 | MIAMI | Florida | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 787 | 375 | TRUJILLO ALTO | Puerto Rico | PUERTO RICO TELCO DBA VERIZON WIRELESS PUERTO RICO | WIRELESS PROV | More |
| 801 | 375 | PROVO | Utah | QWEST CORPORATION | RBOC | More |
| 802 | 375 | ARLINGTON | Vermont | TELEPHONE OP CO OF VERMONT DBA FAIRPOINT COMM-VT | RBOC | More |
| 803 | 375 | CHESTER | South Carolina | CHESTER TELEPHONE CO. | IND. TELCO | More |
| 804 | 375 | CARTERSVILLE | Virginia | VERIZON VIRGINIA, INC. | RBOC | More |
| 805 | 375 | NEWBURY PARK | California | VERIZON CALIFORNIA INC.-CA (GTE) | IND. TELCO | More |
| 806 | 375 | ALLISON | Texas | SOUTHWESTERN BELL | RBOC | More |
| 808 | 375 | HONOLULU | Hawaii | SPRINT SPECTRUM L.P. | PCS | More |
| 810 | 375 | DRYDEN | Michigan | LOCAL EXCHANGE CARRIERS OF MICHIGAN, INC. - MI | CLEC | More |
| 812 | 375 | COLUMBUS | Indiana | AMERITECH INDIANA | RBOC | More |
| 813 | 375 | TAMPA | Florida | VERIZON FLORIDA INC. | IND. TELCO | More |
| 814 | 375 | DUBOIS | Pennsylvania | VERIZON PENNSYLVANIA, INC. | RBOC | More |
| 815 | 375 | DEKALB | Illinois | UNITED STATES CELLULAR CORP. - ILLINOIS | WIRELESS PROV | More |
| 817 | 375 | FORT WORTH ARLINGTO | Texas | SOUTHWESTERN BELL | RBOC | More |
| 818 | 375 | VAN NUYS | California | PACIFIC BELL | RBOC | More |
| 819 | 375 | TROIS RIVIERES | Quebec | Bell Canada | IND. TELCO | More |
| 828 | 375 | RUTHERFORDTON | North Carolina | ALEC, LLC - NC | CLEC | More |
| 830 | 375 | CRYSTAL CITY | Texas | AWESOME PAGING, INC. | WIRELESS PROV | More |
| 831 | 375 | MONTEREY | California | PACIFIC BELL | RBOC | More |
| 832 | 375 | BAMMEL | Texas | SOUTHWESTERN BELL | RBOC | More |
| 843 | 375 | CHARLESTON | South Carolina | NUVOX COMMUNICATIONS | CLEC | More |
| 847 | 375 | DES PLAINES | Illinois | AMERITECH ILLINOIS | RBOC | More |
| 850 | 375 | FTWALTNBCH | Florida | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - FL | WIRELESS PROV | More |
| 856 | 375 | HADDONFLD | New Jersey | NEW CINGULAR WIRELESS PCS, LLC - DC | WIRELESS PROV | More |
| 858 | 375 | SAN DIEGO-ICG | California | MPOWER COMMUNICATIONS CORP - CA | CLEC | More |
| 859 | 375 | WILLISBURG | Kentucky | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | RBOC | More |
| 860 | 375 | HARTFORD | Connecticut | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | CLEC | More |
| 862 | 375 | MOUNTAIN VIEW | New Jersey | CLEVELAND UNLIMITED, INC. | PCS | More |
| 863 | 375 | BOWLING GREEN | Florida | EMBARQ FLORIDA, INC. DBA CENTURYLINK | IND. TELCO | More |
| 864 | 375 | ANDERSON | South Carolina | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 865 | 375 | KNOXVILLE | Tennessee | SBC INTERNET SERVICES, INC. | | More |
| 867 | 375 | Aklavik | Yukon Territory | Bell Mobility | WIRELESS PROV | More |
| 870 | 375 | MARKED TREE | Arkansas | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 901 | 375 | MEMPHIS | Tennessee | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | RBOC | More |
| 902 | 375 | Berwick | Nova Scotia | Bragg Communications Inc. | CLEC | More |
| 903 | 375 | SHERMAN | Texas | YMAX COMMUNICATIONS CORP. - TX | | More |
| 904 | 375 | JACKSONVILLE | Florida | COMCAST PHONE OF FLORIDA, LLC - FL | CLEC | More |
| 905 | 375 | COBOURG | Ontario | Bell Canada | IND. TELCO | More |
| 907 | 375 | ANCHORAGE | Alaska | GCI COMMUNICATION CORP. DBA GENERAL COMMUNICATION | CLEC | More |
| 908 | 375 | ELIZABETH | New Jersey | PAETEC COMMUNICATIONS, INC. - NJ | CLEC | More |
| 909 | 375 | RIVERSIDE | California | BANDWIDTH.COM CLEC, LLC - CA | | More |
| 910 | 375 | BEULAVILLE | North Carolina | LEVEL 3 COMMUNICATIONS, LLC - NC | | More |
| 912 | 375 | HAZLEHURST | Georgia | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 913 | 375 | KANSAS CITY | Kansas | SOUTHWESTERN BELL | RBOC | More |
| 914 | 375 | WCHZ 1 | New York | VERIZON NEW YORK, INC. | RBOC | More |
| 915 | 375 | BALMORHEA | Texas | VALOR TELECOMM TX, LD-TX #2 DBA WINDSTREAM COMM SW | | More |
| 916 | 375 | WEST SACRAMENTO | California | PACIFIC BELL | RBOC | More |
| 917 | 375 | NEW YORK CITY ZONE | New York | NEW CINGULAR WIRELESS PCS, LLC - DC | WIRELESS PROV | More |
| 918 | 375 | AGRA | Oklahoma | CENTRAL OKLAHOMA TELEPHONE CO. | IND. TELCO | More |
| 919 | 375 | ZEBULON | North Carolina | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | CLEC | More |
| 920 | 375 | FOND DU LAC | Wisconsin | SPRINT SPECTRUM L.P. | PCS | More |
| 925 | 375 | MARTINEZ | California | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | CLEC | More |
| 929 | 375 | NWYRCYZN03 | New York | CABLEVISION LIGHTPATH, INC. - NY | CLEC | More |
| 931 | 375 | NASHVILLE | Tennessee | NUVOX COMMUNICATIONS | CLEC | More |
| 937 | 375 | HIGGINSPORT | Ohio | FRONTIER NORTH, INC. - OH | IND. TELCO | More |
| 941 | 375 | TAMPA | Florida | XO FLORIDA, INC. | CLEC | More |
| 949 | 375 | NEWPORT BEACH | California | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 951 | 375 | TEMECULA | California | TW TELECOM OF CALIFORNIA LP - CA | CLEC | More |
| 954 | 375 | NORTH DADE | Florida | TCG SOUTH FLORIDA | CLEC | More |
| 956 | 375 | WESLACO | Texas | STPCS JOINT VENTURE, LLC | PCS | More |
| 970 | 375 | DURANGO | Colorado | QWEST CORPORATION | RBOC | More |
| 972 | 375 | DALLAS (MFS) | Texas | MCI WORLDCOM COMMUNICATIONS, INC. - TX | CLEC | More |
| 973 | 375 | NEWARK | New Jersey | VERIZON NEW JERSEY, INC. | RBOC | More |
| 978 | 375 | LOWELL | Massachusetts | SPRINT SPECTRUM L.P. | PCS | More |
| 985 | 375 | HAMMOND | Louisiana | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | RBOC | More |
| 989 | 375 | ELKTON | Michigan | FRONTIER NORTH, INC. - MI | IND. TELCO | More |
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