Area
Code | Prefix | City/Switch Name
(Click for city search) | State/Prov.
Area Map | Telephone Company
Web link | Telco
Type | More
Info |
|---|
| 201 | 427 | JERSEYCITY | New Jersey | XO NEW JERSEY, INC. | CLEC | More |
| 202 | 427 | WSHNGTNZN1 | Maryland | SPRINT SPECTRUM L.P. | PCS | More |
| 203 | 427 | MERIDEN | Connecticut | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | CLEC | More |
| 204 | 427 | DOMINION CITY | Manitoba | MTS Inc. | IND. TELCO | More |
| 205 | 427 | BIRMINGHAM | Alabama | POWERTEL BIRMINGHAM LICENSES, INC. | WIRELESS PROV | More |
| 206 | 427 | SEATTLE | Washington | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 207 | 427 | WOODLAND | Maine | NO NEW ENGLAND TEL OP DBA FAIRPOINT COMM - ME | RBOC | More |
| 208 | 427 | POCATELLO | Idaho | QWEST CORPORATION | RBOC | More |
| 209 | 427 | PIONEER | California | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 210 | 427 | SANANTONIO | Texas | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 212 | 427 | NWYRCYZN02 | New York | VERIZON NEW YORK, INC. | RBOC | More |
| 213 | 427 | LSAN DA 10 | California | PACIFIC BELL | RBOC | More |
| 214 | 427 | PLANO | Texas | GTE-SW DBA VERIZON SW INC.-TX | IND. TELCO | More |
| 215 | 427 | PHLDLPHZN1 | Pennsylvania | VERIZON PENNSYLVANIA, INC. | RBOC | More |
| 217 | 427 | CATLIN | Illinois | AMERITECH ILLINOIS | RBOC | More |
| 218 | 427 | MEADOWLNDS | Minnesota | CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN | | More |
| 219 | 427 | GARY | Indiana | COMCAST PHONE OF CENTRAL INDIANA, LLC - IN | | More |
| 224 | 427 | BARRINGTON | Illinois | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 226 | 427 | Glencoe | Ontario | Bragg Communications Inc. | CLEC | More |
| 228 | 427 | PEARLINGTN | Mississippi | SPRINT SPECTRUM L.P. | PCS | More |
| 229 | 427 | PITTS | Georgia | SOUTHERN COMMUNICATIONS SERVICES | WIRELESS PROV | More |
| 231 | 427 | MACKINAWCY | Michigan | SBC INTERNET SERVICES, INC. | | More |
| 240 | 427 | WALDORF | District of Columbia | XO MARYLAND, LLC | CLEC | More |
| 248 | 427 | FARMINGTON | Michigan | AMERITECH MICHIGAN | RBOC | More |
| 250 | 427 | KIMBERLEY | British Columbia | TELUS | IND. TELCO | More |
| 252 | 427 | WINTON | North Carolina | TIME WARNER CBL INFO SVC (NC) DBA TIME WARNER CBL | | More |
| 253 | 427 | TACOMA | Washington | QWEST CORPORATION | RBOC | More |
| 256 | 427 | HUNTSVILLE | Alabama | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | RBOC | More |
| 260 | 427 | FORT WAYNE | Indiana | FRONTIER NORTH, INC. - IN | IND. TELCO | More |
| 262 | 427 | DELAVAN | Wisconsin | OVATION COMMUNICATIONS OF WISCONSIN, INC. | CLEC | More |
| 267 | 427 | PENNSBURG | Pennsylvania | MCI WORLDCOM COMMUNICATIONS, INC. - PA | CLEC | More |
| 269 | 427 | BANGOR | Michigan | FRONTIER NORTH, INC. - MI | IND. TELCO | More |
| 270 | 427 | TEMPLEHILL | Kentucky | SOUTH CENTRAL RURAL TELEPHONE COOP. CORP, INC. | IND. TELCO | More |
| 281 | 427 | BAYTOWN | Texas | GTE-SW DBA VERIZON SW INC.-TX | IND. TELCO | More |
| 289 | 427 | Burlington | Ontario | ISP Telecom | CLEC | More |
| 301 | 427 | WSHNGTNZN3 | Maryland | VERIZON MARYLAND, INC. | RBOC | More |
| 302 | 427 | WILMINGTON | Delaware | VERIZON DELAWARE, INC. | RBOC | More |
| 303 | 427 | DENVER | Colorado | QWEST CORPORATION | RBOC | More |
| 304 | 427 | MORGANTOWN | West Virginia | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - WV | | More |
| 305 | 427 | MIAMI | Florida | USA MOBILITY WIRELESS, INC. | WIRELESS PROV | More |
| 306 | 427 | SHELL LAKE | Saskatchewan | SaskTel | IND. TELCO | More |
| 308 | 427 | MINDEN | Nebraska | SPRINT SPECTRUM L.P. | PCS | More |
| 309 | 427 | PEORIA | Illinois | AMERITECH ILLINOIS | RBOC | More |
| 310 | 427 | SAN PEDRO | California | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | WIRELESS PROV | More |
| 312 | 427 | CHICGOZN01 | Illinois | AMERITECH ILLINOIS | RBOC | More |
| 313 | 427 | DETROITZN6 | Michigan | YMAX COMMUNICATIONS CORP. - MI | | More |
| 314 | 427 | LADUE | Missouri | SOUTHWESTERN BELL | RBOC | More |
| 315 | 427 | SYRACUSE | New York | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY | WIRELESS PROV | More |
| 317 | 427 | FAIRLAND | Indiana | GLOBAL CROSSING LOCAL SERVICES, INC.-IN | CLEC | More |
| 318 | 427 | ALEXANDRIA | Louisiana | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | RBOC | More |
| 319 | 427 | HAWKEYE | Iowa | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | WIRELESS PROV | More |
| 321 | 427 | COCOA | Florida | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 323 | 427 | LOS ANGELES: DA 11 | California | METROPCS NETWORKS, LLC | | More |
| 330 | 427 | LEETONIA | Ohio | AMERITECH OHIO | RBOC | More |
| 334 | 427 | ANDALUSIA | Alabama | CENTURYTEL TEL AL LLC (SOUTHERN) DBA CENTURYLINK | | More |
| 336 | 427 | MADISON | North Carolina | CENTRAL TEL. CO. OF NORTH CAROLINA DBA CENTURYLINK | IND. TELCO | More |
| 337 | 427 | RAYNE | Louisiana | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - LA | WIRELESS PROV | More |
| 347 | 427 | NWYRCYZN05 | New Jersey | BROADWING COMMUNICATIONS, LLC - NY | CLEC | More |
| 352 | 427 | OCALA | Florida | SPRINT SPECTRUM L.P. | PCS | More |
| 360 | 427 | SHELTON | Washington | QWEST CORPORATION | RBOC | More |
| 361 | 427 | YOAKUM | Texas | TIME WARNER CBLE INFO SVC (TX) DBA TIME WARNER CBL | | More |
| 386 | 427 | NWSMYRNBCH | Florida | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 401 | 427 | PROVIDENCE | Rhode Island | PAETEC COMMUNICATIONS, INC. - RI | LOCAL RESELLER | More |
| 402 | 427 | KENNARD | Nebraska | BLAIR TELEPHONE CO. | IND. TELCO | More |
| 403 | 427 | EDMONTON | Alberta | Rogers Communications Partnership (Wireless) | WIRELESS PROV | More |
| 404 | 427 | ATLANTA | Georgia | SPRINT SPECTRUM L.P. | PCS | More |
| 405 | 427 | OKLA CITY | Oklahoma | SOUTHWESTERN BELL | RBOC | More |
| 406 | 427 | SO BROADUS | Montana | RANGE TELEPHONE COOPERATIVE, INC. | IND. TELCO | More |
| 407 | 427 | ORLANDO | Florida | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 408 | 427 | GILROY | California | TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO | CLEC | More |
| 409 | 427 | HOUSTON | Texas | BROADWING COMMUNICATIONS, LLC - TX | CLEC | More |
| 410 | 427 | TOWSON | Maryland | TELEPORT COMMUNICATIONS GROUP AMERICA, INC. - MD | CAP | More |
| 412 | 427 | PTTSBGZON1 | Pennsylvania | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 413 | 427 | HOLYOKE | Massachusetts | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | WIRELESS PROV | More |
| 414 | 427 | MILWAUKZN3 | Wisconsin | AMERITECH WISCONSIN | RBOC | More |
| 415 | 427 | SNFC CNTRL | California | PACIFIC BELL | RBOC | More |
| 416 | 427 | TORONTO | Ontario | Bell Mobility | WIRELESS PROV | More |
| 417 | 427 | WEAUBLEAU | Missouri | CD TELECOMMUNICATIONS, LLC - MO | | More |
| 418 | 427 | EAST BROUGHTON | Quebec | Bell Canada | IND. TELCO | More |
| 419 | 427 | FINDLAY | Ohio | AMERITECH OHIO | RBOC | More |
| 423 | 427 | MADISONVL | Tennessee | USA MOBILITY WIRELESS, INC. | WIRELESS PROV | More |
| 425 | 427 | ISSAQUAH | Washington | QWEST CORPORATION | RBOC | More |
| 435 | 427 | FAIRVIEW | Utah | CENTRAL UTAH TELEPHONE, INC. | IND. TELCO | More |
| 440 | 427 | OLMSTEDFLS | Ohio | AMERITECH OHIO | RBOC | More |
| 443 | 427 | PRINCEANNE | Maryland | CORE COMMUNICATIONS, INC. - MD | CLEC | More |
| 450 | 427 | ST MARTINE | Quebec | Bell Canada | IND. TELCO | More |
| 469 | 427 | GRANDPRARI | Texas | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 470 | 427 | ATLANTA | Georgia | LEVEL 3 COMMUNICATIONS, LLC - GA | CLEC | More |
| 479 | 427 | SILOAM SPG | Arkansas | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 480 | 427 | PHOENIX | Arizona | BANDWIDTH.COM CLEC, LLC - AZ | | More |
| 484 | 427 | PHPHSBZN22 | Pennsylvania | LEVEL 3 COMMUNICATIONS, LLC - PA | CLEC | More |
| 501 | 427 | SILOAM SPRINGS | Arkansas | TELECORP COMMUNICATIONS, INC. | PCS | More |
| 502 | 427 | GEORGETOWN | Kentucky | TOUCHTONE COMMUNICATIONS, INC. DBA ALEC, INC. - KY | LOCAL RESELLER | More |
| 503 | 427 | STFRD-SNDY | Oregon | LEVEL 3 COMMUNICATIONS, LLC - OR | | More |
| 504 | 427 | NEWORLEANS | Louisiana | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 505 | 427 | ANTONCHICO | New Mexico | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NM | WIRELESS PROV | More |
| 506 | 427 | Richibucto | New Brunswick | TELUS Mobility | PCS | More |
| 507 | 427 | MOUNTAINLK | Minnesota | CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN | | More |
| 508 | 427 | BROCKTON | Massachusetts | VERIZON NEW ENGLAND INC. | RBOC | More |
| 509 | 427 | STEVENSON | Washington | UNITED TELEPHONE-NORTHWEST-WA DBA CENTURYLINK-WA | IND. TELCO | More |
| 510 | 427 | HAYWARD | California | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | WIRELESS PROV | More |
| 512 | 427 | AUSTIN | Texas | SOUTHWESTERN BELL | RBOC | More |
| 513 | 427 | BETHEL | Ohio | QWEST COMMUNICATIONS COMPANY, LLC | CLEC | More |
| 514 | 427 | Pointe-Claire | Quebec | TELUS Quebec | | More |
| 516 | 427 | HUNTINGTON | New York | CABLEVISION LIGHTPATH, INC. - NY | CLEC | More |
| 517 | 427 | EDMORE | Michigan | FRONTIER NORTH, INC. - MI | IND. TELCO | More |
| 518 | 427 | ALBANY | New York | VERIZON NEW YORK, INC. | RBOC | More |
| 519 | 427 | SIMCOE | Ontario | Bell Canada | IND. TELCO | More |
| 520 | 427 | YARNELL | Arizona | SPRINT SPECTRUM L.P. | PCS | More |
| 530 | 427 | SODA SPG | California | TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO | CLEC | More |
| 540 | 427 | ROANOKE | Virginia | VERIZON VIRGINIA, INC. | RBOC | More |
| 541 | 427 | UKIAH | Oregon | CENTURYTEL OF OREGON, INC. DBA CENTURYLINK | IND. TELCO | More |
| 551 | 427 | RAMSEY | New Jersey | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NJ | WIRELESS PROV | More |
| 559 | 427 | PIXLEY | California | O1 COMMUNICATIONS, INC. - CA | CLEC | More |
| 561 | 427 | JUPITER | Florida | FLORIDA DIGITAL NETWORK | CLEC | More |
| 562 | 427 | LONG BEACH | California | VERIZON CALIFORNIA INC.-CA (GTE) | IND. TELCO | More |
| 563 | 427 | HAWKEYE | Iowa | HAWKEYE TELEPHONE CO. | IND. TELCO | More |
| 570 | 427 | WEATHERLY | Pennsylvania | VERIZON PENNSYLVANIA, INC. | RBOC | More |
| 571 | 427 | LORTON METRO | Virginia | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | WIRELESS PROV | More |
| 573 | 427 | CHARLESTON | Missouri | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 575 | 427 | ANTONCHICO | New Mexico | E.N.M.R. TELEPHONE COOPERATIVE | IND. TELCO | More |
| 580 | 427 | ADA | Oklahoma | WILNET COMMUNICATIONS, LLC - OK | | More |
| 581 | 427 | Saint-Bernard-de-Do | Quebec | Telecommunications Xittel Inc | | More |
| 585 | 427 | ROCHESTER | New York | FRONTIER TELEPHONE OF ROCHESTER INC | IND. TELCO | More |
| 586 | 427 | CENTERLINE | Michigan | AMERITECH MICHIGAN | RBOC | More |
| 601 | 427 | MADISON | Mississippi | TELCOVE OPERATIONS, INC. - MS | CLEC | More |
| 602 | 427 | PHOENIX | Arizona | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | CLEC | More |
| 603 | 427 | PORTSMOUTH | New Hampshire | NO NEW ENGLAND TEL OP DBA FAIRPOINT COMM - NH | RBOC | More |
| 604 | 427 | Langley | British Columbia | Shaw Telecom Inc. | | More |
| 605 | 427 | MADISON | South Dakota | KNOLOGY OF THE PLAINS, INC. - SD | CLEC | More |
| 606 | 427 | MCCARR | Kentucky | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | RBOC | More |
| 607 | 427 | BINGHAMTON | New York | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY | WIRELESS PROV | More |
| 608 | 427 | CAMPDOUGLS | Wisconsin | LEMONWEIR VALLEY TELEPHONE CO. | IND. TELCO | More |
| 609 | 427 | DENNISVL | New Jersey | VERIZON NEW JERSEY, INC. | RBOC | More |
| 610 | 427 | POTTSTOWN | Pennsylvania | AT&T LOCAL | CLEC | More |
| 613 | 427 | Casselman | Ontario | Bragg Communications Inc. | CLEC | More |
| 614 | 427 | HILLIARD | Ohio | TELEPORT COMMUNICATIONS GROUP, INC. - OH | CLEC | More |
| 615 | 427 | MURFREESBO | Tennessee | NUVOX COMMUNICATIONS | CLEC | More |
| 616 | 427 | BANGOR | Michigan | SPRINT SPECTRUM L.P. | PCS | More |
| 617 | 427 | ROXBURY | Massachusetts | VERIZON NEW ENGLAND INC. | RBOC | More |
| 618 | 427 | BROWNSTOWN | Illinois | CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL | | More |
| 619 | 427 | CHULAVISTA | California | PACIFIC BELL | RBOC | More |
| 620 | 427 | MADISON | Kansas | MADISON TELEPHONE, LLC-KS | IND. TELCO | More |
| 626 | 427 | ALHAMBRA | California | LEVEL 3 COMMUNICATIONS, LLC - CA | CLEC | More |
| 630 | 427 | DOWNERSGRV | Illinois | AMERITECH ILLINOIS | RBOC | More |
| 631 | 427 | HUNTINGTON | New York | VERIZON NEW YORK, INC. | RBOC | More |
| 641 | 427 | BAGLEY | Iowa | WINDSTREAM IOWA COMMUNICATIONS, INC. | | More |
| 646 | 427 | NEW YORK | New York | SPRINT SPECTRUM L.P. | PCS | More |
| 647 | 427 | Toronto | Ontario | Rogers Communications Partnership (Cable) | CLEC | More |
| 650 | 427 | PALO ALTO | California | MCI WORLDCOM COMMUNICATIONS, INC., CA | CLEC | More |
| 660 | 427 | BUNCETON | Missouri | MID-MISSOURI TELEPHONE CO. | IND. TELCO | More |
| 661 | 427 | BAKERSFIELD | California | PAC - WEST TELECOMM, INC. | CLEC | More |
| 662 | 427 | BURNSVILLE | Mississippi | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | RBOC | More |
| 678 | 427 | ATLANTA NORTHEAST | Georgia | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 681 | 427 | CHRLSTNZN1 | West Virginia | SPRINT SPECTRUM L.P.- WV | PCS | More |
| 701 | 427 | MILNOR | North Dakota | DICKEY RURAL TELEPHONE COOPERATIVE | IND. TELCO | More |
| 702 | 427 | LAS VEGAS | Nevada | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 703 | 427 | WASZ 8 | Virginia | VERIZON VIRGINIA, INC. | RBOC | More |
| 704 | 427 | CHARLOTTE | North Carolina | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 705 | 427 | Midland | Ontario | Rogers Communications Partnership (Wireless) | WIRELESS PROV | More |
| 706 | 427 | THOMASTON | Georgia | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 707 | 427 | FAIRFIELD | California | PACIFIC BELL | RBOC | More |
| 708 | 427 | CHICAGO | Illinois | BROADWING COMMUNICATIONS, LLC - IL | CLEC | More |
| 709 | 427 | CLARENVILLE | Newfoundland | Aliant Telecom (Mobility) | | More |
| 712 | 427 | BEDFORD | Iowa | RSA 1 LIMITED PARTNERSHIP DBA CHAT MOBILITY | WIRELESS PROV | More |
| 713 | 427 | HOUSTON CLAY | Texas | SOUTHWESTERN BELL | RBOC | More |
| 714 | 427 | SANTA ANA | California | PACIFIC BELL | RBOC | More |
| 715 | 427 | RIB LAKE | Wisconsin | RHINELANDER TEL LLC DBA FRONTIER RHINELANDER TEL | IND. TELCO | More |
| 716 | 427 | BRIGHTON | New York | AIRUS, INC. - NY | | More |
| 717 | 427 | LANCASTER | Pennsylvania | XO COMMUNICATIONS SERVICES INC - PA | CAP | More |
| 718 | 427 | NEW YORK CITY | New York | OMNIPOINT COMMUNICATIONS, INC. - NY | WIRELESS PROV | More |
| 719 | 427 | LEADVILLE | Colorado | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO | WIRELESS PROV | More |
| 720 | 427 | AURORA | Colorado | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 724 | 427 | INDIANA | Pennsylvania | CORE COMMUNICATIONS, INC. - PA | | More |
| 731 | 427 | JACKSON | Tennessee | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | RBOC | More |
| 732 | 427 | EATONTOWN | New Jersey | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NJ | WIRELESS PROV | More |
| 734 | 427 | LIVONIA | Michigan | AMERITECH MICHIGAN | RBOC | More |
| 740 | 427 | GAMBIER | Ohio | UNITED TEL. CO. OF OHIO - CENTURYLINK | IND. TELCO | More |
| 757 | 427 | PRINCESS ANNE | Virginia | VERIZON SOUTH INC.-VA (CONTEL) | IND. TELCO | More |
| 760 | 427 | EL CENTRO | California | SPRINT SPECTRUM L.P. | PCS | More |
| 763 | 427 | ANOKA | Minnesota | QWEST CORPORATION | RBOC | More |
| 765 | 427 | LAFAYETTE | Indiana | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN | WIRELESS PROV | More |
| 770 | 427 | MARIETTA | Georgia | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 773 | 427 | CHCZ 3 | Illinois | AMERITECH ILLINOIS | RBOC | More |
| 775 | 427 | FALLON | Nevada | CHURCHILL COUNTY TELEPHONE DBA CC COMMUNICATIONS | | More |
| 778 | 427 | Union Bay | British Columbia | Shaw Telecom Inc. | | More |
| 780 | 427 | EDMONTON | Alberta | TELUS | IND. TELCO | More |
| 781 | 427 | LYNN | Massachusetts | NEUTRAL TANDEM-MASSACHUSETTS, LLC - MA | | More |
| 785 | 427 | MILTONVALE | Kansas | TWIN VALLEY TELEPHONE, INC. | IND. TELCO | More |
| 786 | 427 | MIAMI | Florida | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 787 | 427 | GUAYNABO | Puerto Rico | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 801 | 427 | PROVO | Utah | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 802 | 427 | LYNDONVILLE | Vermont | TELCOVE OF VERMONT, INC. - VT | CLEC | More |
| 803 | 427 | CAMDEN | South Carolina | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SC | WIRELESS PROV | More |
| 804 | 427 | MECHANICSVILLE | Virginia | CAVALIER TELEPHONE, LLC | CLEC | More |
| 805 | 427 | CAMARILLO | California | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 806 | 427 | WILDORADO | Texas | AMA COMM., LLC DBA AMA*TECHTEL COMMUNICATIONS-TX | | More |
| 808 | 427 | HONOLULU | Hawaii | BROADVOX-CLEC, LLC - HI | | More |
| 812 | 427 | VEVAY | Indiana | UNITED TEL. CO. OF INDIANA, INC. DBA CENTURYLINK | IND. TELCO | More |
| 813 | 427 | ZEPHYRHILLS | Florida | ABC PAGING CITY BEEPERS, INC. | WIRELESS PROV | More |
| 814 | 427 | BIG RUN | Pennsylvania | VERIZON PENNSYLVANIA, INC. | RBOC | More |
| 815 | 427 | SAINT ANNE | Illinois | AMERITECH ILLINOIS | RBOC | More |
| 816 | 427 | KANSAS CITY | Missouri | TCG KANSAS CITY, INC. - MO | CLEC | More |
| 817 | 427 | FORT WORTH N. RICHL | Texas | SOUTHWESTERN BELL | RBOC | More |
| 818 | 427 | VAN NUYS | California | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | WIRELESS PROV | More |
| 819 | 427 | PAPINEAUVILLE | Quebec | Bell Canada | IND. TELCO | More |
| 828 | 427 | TAYLORSVILLE | North Carolina | CONNECT COMMUNICATIONS, LLC-NC | | More |
| 830 | 427 | SAN ANTONIO | Texas | TEX-LINK COMMUNICATIONS, INC. - TX | CLEC | More |
| 831 | 427 | SANTA CRUZ | California | PACIFIC BELL | RBOC | More |
| 832 | 427 | KATY FBC | Texas | COMCAST PHONE OF TEXAS, LLC - TX | CLEC | More |
| 843 | 427 | MYRTLE BEACH | South Carolina | NUVOX COMMUNICATIONS | CLEC | More |
| 845 | 427 | MAYBROOK | New York | FRONTIER COMMUNICATIONS OF NEW YORK, INC. | IND. TELCO | More |
| 847 | 427 | ELK GROVE | Illinois | AMERITECH ILLINOIS | RBOC | More |
| 850 | 427 | MONTICELLO | Florida | INTERMEDIA COMMUNICATIONS INC. - FL | CLEC | More |
| 856 | 427 | HADDONFIELD | New Jersey | VERIZON NEW JERSEY, INC. | RBOC | More |
| 858 | 427 | SAN DIEGO | California | PAETEC COMMUNICATIONS, INC. - CA | CLEC | More |
| 860 | 427 | STORRS | Connecticut | PAETEC COMMUNICATIONS, INC. - CT | | More |
| 863 | 427 | HAINES CITY | Florida | VERIZON FLORIDA INC. | IND. TELCO | More |
| 864 | 427 | UNION | South Carolina | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 870 | 427 | PYATT | Arkansas | NORTHERN ARKANSAS TELEPHONE CO. | IND. TELCO | More |
| 902 | 427 | HALIFAX | Nova Scotia | Aliant Telecom (NS) | IND. TELCO | More |
| 903 | 427 | CLARKSVILLE | Texas | VALOR TELECOMM TX, LP-TX #1 DBA WINDSTREAM COMM SW | | More |
| 904 | 427 | JACKSONVL | Florida | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 905 | 427 | AJAX PICKERING | Ontario | Bell Canada | IND. TELCO | More |
| 907 | 427 | TOKSOOK BAY | Alaska | UNITED UTILITIES, INC. | IND. TELCO | More |
| 908 | 427 | ROCHELLE PARK | New Jersey | AT&T LOCAL | CLEC | More |
| 909 | 427 | FONTANA | California | PACIFIC BELL | RBOC | More |
| 910 | 427 | CHADBOURN | North Carolina | BANDWIDTH.COM CLEC, LLC - NC | | More |
| 912 | 427 | JESUP | Georgia | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 916 | 427 | SACRAMENTO | California | PACIFIC BELL | RBOC | More |
| 917 | 427 | NEW YORK CITY ZONE | New York | USA MOBILITY WIRELESS, INC. | WIRELESS PROV | More |
| 918 | 427 | MULDROW | Oklahoma | SOUTHWESTERN BELL | RBOC | More |
| 919 | 427 | RALEIGH | North Carolina | SPRINT SPECTRUM L.P. | PCS | More |
| 920 | 427 | APPLETON | Wisconsin | UNITED STATES CELLULAR CORP. - WISCONSIN | WIRELESS PROV | More |
| 925 | 427 | PITTSBURG | California | PACIFIC BELL | RBOC | More |
| 928 | 427 | YARNELL | Arizona | QWEST CORPORATION | RBOC | More |
| 931 | 427 | ARDMORE | Alabama | ARDMORE TELEPHONE CO., INC. | IND. TELCO | More |
| 936 | 427 | HOUSTON | Texas | BROADWING COMMUNICATIONS, LLC - TX | CLEC | More |
| 937 | 427 | BEAVERCREEK | Ohio | AMERITECH OHIO | RBOC | More |
| 940 | 427 | ALVORD | Texas | CENTRAL TEL. CO. OF TEXAS DBA CENTURYLINK | IND. TELCO | More |
| 949 | 427 | SADLBK VLY | California | LEVEL 3 COMMUNICATIONS, LLC - CA | CLEC | More |
| 951 | 427 | CORONA | California | SBC INTERNET SERVICES, INC. | | More |
| 954 | 427 | DEERFIELD BEACH | Florida | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 956 | 427 | HARLINGEN | Texas | SOUTHWESTERN BELL | RBOC | More |
| 970 | 427 | DENVER | Colorado | AT&T LOCAL | CLEC | More |
| 972 | 427 | DALLAS SEAGOVILLE | Texas | SOUTHWESTERN BELL | RBOC | More |
| 973 | 427 | HALEDON | New Jersey | VERIZON NEW JERSEY, INC. | RBOC | More |
| 978 | 427 | LAWRENCE | Massachusetts | SPRINT SPECTRUM L.P. | PCS | More |
| 989 | 427 | EDMORE | Michigan | FRONTIER NORTH, INC. - MI | IND. TELCO | More |
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