Area
Code | Prefix | City/Switch Name
(Click for city search) | State/Prov.
Area Map | Telephone Company
Web link | Telco
Type | More
Info |
|---|
| 201 | 420 | JERSEYCITY | New Jersey | VERIZON NEW JERSEY, INC. | RBOC | More |
| 202 | 420 | WSHNGTNZN1 | District of Columbia | TELEPORT COMMUNICATIONS AMERICA, LLC - DC | CLEC | More |
| 203 | 420 | MERIDEN | Connecticut | SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT | IND. TELCO | More |
| 204 | 420 | Selkirk | Manitoba | Provincial Tel Inc. | | More |
| 205 | 420 | BIRMINGHAM | Alabama | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | RBOC | More |
| 206 | 420 | SEATTLE | Washington | ONVOY, LLC - WA | | More |
| 207 | 420 | PORTLAND | Maine | NEW CINGULAR WIRELESS PCS, LLC - DC | WIRELESS PROV | More |
| 208 | 420 | TWIN FALLS | Idaho | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - ID | WIRELESS PROV | More |
| 209 | 420 | STOCKTON | California | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 210 | 420 | SANANTONIO | Texas | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 212 | 420 | NWYRCYZN01 | New York | VERIZON NEW YORK, INC. | RBOC | More |
| 213 | 420 | MONTEBELLO | California | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 214 | 420 | DALLAS | Texas | LOGIX COMMUNICATIONS CORPORATION - TX | CLEC | More |
| 215 | 420 | PHPHSBZN39 | Pennsylvania | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | CLEC | More |
| 216 | 420 | CLEVELAND | Ohio | OHIO BELL TEL CO | RBOC | More |
| 217 | 420 | DECATUR | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 218 | 420 | WADENA | Minnesota | BANDWIDTH.COM CLEC, LLC - MN | | More |
| 224 | 420 | EVANSTON | Illinois | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 226 | 420 | Clinton | Ontario | Bragg Communications Inc. | CLEC | More |
| 229 | 420 | ALBANY | Georgia | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 231 | 420 | CHEBOYGAN | Michigan | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI | WIRELESS PROV | More |
| 234 | 420 | DALTON | Ohio | ONVOY SPECTRUM, LLC | | More |
| 239 | 420 | MARCO IS | Florida | ONVOY, LLC - FL | | More |
| 240 | 420 | HAGERSTOWN | Maryland | VERIZON MARYLAND, INC. | RBOC | More |
| 248 | 420 | PONTIAC | Michigan | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 250 | 420 | CRANBROOK | British Columbia | TELUS | IND. TELCO | More |
| 251 | 420 | BEATRICE | Alabama | ONVOY, LLC - AL | | More |
| 252 | 420 | WINTON | North Carolina | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC | WIRELESS PROV | More |
| 253 | 420 | TACOMA | Washington | AMERICAN MESSAGING SERVICES, LLC | | More |
| 254 | 420 | WACO | Texas | SOUTHWESTERN BELL | RBOC | More |
| 256 | 420 | ARDMORE | Alabama | ARDMORE TEL. CO., INC. | IND. TELCO | More |
| 260 | 420 | FORT WAYNE | Indiana | FRONTIER NORTH, INC.. - IN | IND. TELCO | More |
| 262 | 420 | WAUKESHA | Wisconsin | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 267 | 420 | PHPHSBZN32 | Pennsylvania | RCN TELECOM SERVICES OF PENNSYLVANIA, INC. | CLEC | More |
| 269 | 420 | BATTLE CRK | Michigan | OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC | | More |
| 270 | 420 | RUSSELLVL | Kentucky | E-TEL, LLC - KY | CLEC | More |
| 272 | 420 | STROUDSBG | Pennsylvania | VONAGE AMERICA LLC | | More |
| 281 | 420 | BAYTOWN | Texas | FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS | IND. TELCO | More |
| 289 | 420 | Clarkson | Ontario | TELUS Integrated Communications | CLEC | More |
| 301 | 420 | WSHNGTNZN5 | Maryland | VERIZON MARYLAND, INC. | RBOC | More |
| 302 | 420 | WILMINGTON | Delaware | OMNIPOINT COMMUNICATIONS ENTERPRISES, LP | WIRELESS PROV | More |
| 303 | 420 | DENVER | Colorado | QWEST CORPORATION | RBOC | More |
| 304 | 420 | PRKRSBGZN1 | West Virginia | FRONTIER WEST VIRGINIA INC. | RBOC | More |
| 305 | 420 | MIAMI | Florida | TELEPORT COMMUNICATIONS AMERICA, LLC - FL | CLEC | More |
| 306 | 420 | CLUFF LAKE | Saskatchewan | SaskTel Mobility | | More |
| 307 | 420 | JACKSON | Wyoming | ONVOY, LLC - WY | | More |
| 308 | 420 | BENKELMAN | Nebraska | BENKELMAN TEL. CO., INC. | IND. TELCO | More |
| 309 | 420 | PEORIA | Illinois | LEVEL 3 COMMUNICATIONS, LLC - IL | CLEC | More |
| 310 | 420 | SNMN SNMN | California | METROPCS NETWORKS, LLC | | More |
| 312 | 420 | CHICGOZN01 | Illinois | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 313 | 420 | DETROITZN1 | Michigan | LONG DISTANCE OF MICHIGAN, INC. DBA LDMI - MI | | More |
| 314 | 420 | KIRKWOOD | Missouri | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 315 | 420 | SYRACUSE | New York | NEW CINGULAR WIRELESS PCS, LLC - DC | WIRELESS PROV | More |
| 316 | 420 | MULVANE | Kansas | SPRINT COMMUNICATIONS COMPANY, L.P. - KS | CLEC | More |
| 317 | 420 | CICERO | Indiana | OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC | | More |
| 318 | 420 | ALEXANDRIA | Louisiana | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | RBOC | More |
| 319 | 420 | WEST UNION | Iowa | ONVOY, LLC - IA | | More |
| 320 | 420 | ST CLOUD | Minnesota | AERIAL COMMUNICATIONS, INC. | WIRELESS PROV | More |
| 321 | 420 | SANFORD | Florida | METROPCS NETWORKS, LLC | | More |
| 323 | 420 | LSAN DA 09 | California | PACIFIC BELL | RBOC | More |
| 325 | 420 | ROBERT LEE | Texas | ONVOY, LLC - TX | | More |
| 330 | 420 | LISBON | Ohio | OHIO BELL TEL CO | RBOC | More |
| 334 | 420 | MONTGOMERY | Alabama | CENTURYLINK COMMUNICATIONS LLC - AL | CAP | More |
| 336 | 420 | GREENSBORO | North Carolina | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC | WIRELESS PROV | More |
| 337 | 420 | BALDWIN | Louisiana | ONVOY, LLC - LA | | More |
| 341 | 420 | OKLD FRTVL | California | SONIC TELECOM, LLC - CA | | More |
| 346 | 420 | SUGAR LAND | Texas | METROPCS, INC. | | More |
| 347 | 420 | NWYRCYZN06 | New York | NEW CINGULAR WIRELESS PCS, LLC - DC | WIRELESS PROV | More |
| 352 | 420 | GAINESVL | Florida | TELEPORT COMMUNICATIONS AMERICA, LLC - FL | CLEC | More |
| 360 | 420 | MT VERNON | Washington | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 361 | 420 | CLARKWOOD | Texas | BANDWIDTH.COM CLEC, LLC - TX | | More |
| 385 | 420 | SALT LAKE | Utah | LEVEL 3 COMMUNICATIONS, LLC - UT | | More |
| 401 | 420 | LTLCOMPTON | Rhode Island | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - RI | CAP | More |
| 402 | 420 | LINCOLN | Nebraska | WINDSTREAM NEBRASKA, INC. | IND. TELCO | More |
| 403 | 420 | EDMONTON | Alberta | Bell West Inc. | | More |
| 404 | 420 | ATLANTA | Georgia | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 405 | 420 | OKLA CITY | Oklahoma | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 406 | 420 | BIGFORK | Montana | BRESNAN BROADBAND OF MONTANA, LLC - MT [CHARTER] | | More |
| 407 | 420 | ORLANDO | Florida | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 408 | 420 | SUNNYVALE | California | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 409 | 420 | KIRBYVILLE | Texas | SOUTHWESTERN BELL | RBOC | More |
| 410 | 420 | BEL AIR | Maryland | VERIZON MARYLAND, INC. | RBOC | More |
| 412 | 420 | PTTSBGZON1 | Pennsylvania | VERIZON PENNSYLVANIA, INC. | RBOC | More |
| 413 | 420 | HOLYOKE | Massachusetts | CHOICE ONE COMMUNICATIONS, INC. - MA | CLEC | More |
| 414 | 420 | MILWAUKEE ZONE 1 | Wisconsin | ONVOY, LLC - WI | | More |
| 415 | 420 | SNFC CNTRL | California | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 416 | 420 | TORONTO | Ontario | Bell Mobility | WIRELESS PROV | More |
| 417 | 420 | HURLEY | Missouri | RYSTEC, INC | | More |
| 418 | 420 | Sainte-Marie-de-Bea | Quebec | Rogers Communications Partnership (Wireless) | WIRELESS PROV | More |
| 419 | 420 | FINDLAY | Ohio | OHIO BELL TEL CO | RBOC | More |
| 423 | 420 | MADISONVL | Tennessee | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | RBOC | More |
| 424 | 420 | INGLEWOOD | California | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 425 | 420 | BOTHELL | Washington | ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM | CLEC | More |
| 432 | 420 | KERMIT | Texas | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX | WIRELESS PROV | More |
| 434 | 420 | LYNCHBURG | Virginia | METROPCS, INC. | | More |
| 440 | 420 | ELYRIA | Ohio | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH | WIRELESS PROV | More |
| 442 | 420 | PALM SPG | California | COMMIO, LLC | | More |
| 443 | 420 | ELLICOTTCY | Maryland | GLOBAL CROSSING LOCAL SERVICES, INC. - MD | CLEC | More |
| 450 | 420 | Ste-Therese | Quebec | Bell Canada | IND. TELCO | More |
| 469 | 420 | DALLAS | Texas | SOUTHWESTERN BELL | RBOC | More |
| 470 | 420 | ATLANTA SO | Georgia | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 478 | 420 | MACON | Georgia | BANDWIDTH.COM CLEC, LLC - GA | | More |
| 479 | 420 | FORT SMITH | Oklahoma | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 480 | 420 | PHOENIX | Arizona | AT&T - LOCAL | CLEC | More |
| 484 | 420 | PHPHSBZN22 | Pennsylvania | PAETEC COMMUNICATIONS, INC. - PA | CLEC | More |
| 501 | 420 | FORT SMITH | Arkansas | METROPCS, INC. | | More |
| 502 | 420 | LOUISVILLE | Kentucky | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | RBOC | More |
| 503 | 420 | DALLAS | Oregon | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 504 | 420 | HAMMOND | Louisiana | ONVOY, LLC - LA | | More |
| 505 | 420 | ROSWELL | New Mexico | COMMIO, LLC | | More |
| 507 | 420 | MANKATO | Minnesota | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 508 | 420 | OSTERVILLE | Massachusetts | VERIZON NEW ENGLAND INC. | RBOC | More |
| 509 | 420 | RICHLAND | Washington | ONVOY, LLC - WA | | More |
| 510 | 420 | OKLD MN-PD | California | PACIFIC BELL | RBOC | More |
| 512 | 420 | AUSTIN | Texas | SOUTHWESTERN BELL | RBOC | More |
| 513 | 420 | MIDDLETOWN | Ohio | OHIO BELL TEL CO | RBOC | More |
| 514 | 420 | LACHINE | Quebec | Bell Canada | IND. TELCO | More |
| 515 | 420 | OGDEN | Iowa | QWEST CORPORATION | RBOC | More |
| 516 | 420 | FARMINGDL | New York | VERIZON NEW YORK, INC. | RBOC | More |
| 517 | 420 | LANSING | Michigan | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI | WIRELESS PROV | More |
| 518 | 420 | PLATTSBG | New York | LEVEL 3 TELECOM OF NEW YORK, LP - NY | CLEC | More |
| 519 | 420 | SIMCOE | Ontario | Bell Canada | IND. TELCO | More |
| 520 | 420 | PRESCOTT | Arizona | HD CARRIER LLC | | More |
| 530 | 420 | ROBBINS | California | BANDWIDTH.COM CLEC, LLC - CA | | More |
| 540 | 420 | ROCKYMOUNT | Virginia | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA | WIRELESS PROV | More |
| 541 | 420 | BEND | Oregon | UNITED STATES CELLULAR - OR | WIRELESS PROV | More |
| 559 | 420 | FRESNO | California | ONVOY, LLC - CA | | More |
| 561 | 420 | WPALMBEACH | Florida | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - FL | WIRELESS PROV | More |
| 562 | 420 | LAKEWOOD | California | FRONTIER CALIFORNIA INC. | IND. TELCO | More |
| 563 | 420 | WEST UNION | Iowa | QWEST CORPORATION | RBOC | More |
| 567 | 420 | TOLEDO | Ohio | COMMIO, LLC | | More |
| 570 | 420 | STROUDSBG | Pennsylvania | VERIZON PENNSYLVANIA, INC. | RBOC | More |
| 571 | 420 | LEESBURG | Virginia | NEW CINGULAR WIRELESS PCS, LLC - DC | WIRELESS PROV | More |
| 573 | 420 | DIXON | Missouri | WINDSTREAM MISSOURI, INC. | IND. TELCO | More |
| 575 | 420 | ROSWELL | New Mexico | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 580 | 420 | OAK HILL | Oklahoma | PINE TEL. CO. | IND. TELCO | More |
| 581 | 420 | Beauceville | Quebec | Videotron General Partnership | CLEC | More |
| 585 | 420 | ROCHESTER | New York | FRONTIER TELEPHONE OF ROCHESTER, INC. | IND. TELCO | More |
| 586 | 420 | ROSEVILLE | Michigan | METROPCS, INC. | | More |
| 601 | 420 | JACKSON | Mississippi | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | RBOC | More |
| 602 | 420 | PHOENIX | Arizona | QWEST CORPORATION | RBOC | More |
| 603 | 420 | MERRIMACK | New Hampshire | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH | CLEC | More |
| 604 | 420 | VANCOUVER | British Columbia | TELUS | IND. TELCO | More |
| 605 | 420 | ROSLYN | South Dakota | MIDCONTINENT COMMUNICATIONS. - SD | CLEC | More |
| 606 | 420 | ASHLAND | Kentucky | TIME WARNER CBL INFO SV (KY) DBA TIME WARNER-KY | | More |
| 607 | 420 | BINGHAMTON | New York | NUSO, LLC | | More |
| 608 | 420 | ALBANY | Wisconsin | CHARTER FIBERLINK, LLC - WI | | More |
| 609 | 420 | SALEM | New Jersey | NEW CINGULAR WIRELESS PCS, LLC - DC | WIRELESS PROV | More |
| 610 | 420 | PHPHSBZN30 | Pennsylvania | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA | WIRELESS PROV | More |
| 612 | 420 | TWINCITIES | Minnesota | QWEST CORPORATION | RBOC | More |
| 613 | 420 | Clarence Creek | Ontario | Videotron General Partnership | CLEC | More |
| 614 | 420 | COLUMBUS | Ohio | ONVOY, LLC - OH | | More |
| 615 | 420 | GOODLETSVL | Tennessee | GLOBAL CROSSING LOCAL SERVICES, INC. - TN | | More |
| 616 | 420 | BATTLE CREEK | Michigan | ONVOY, LLCV - MI | | More |
| 617 | 420 | EVERETT | Massachusetts | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | CLEC | More |
| 618 | 420 | COLLINSVL | Missouri | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 619 | 420 | CHULAVISTA | California | PACIFIC BELL | RBOC | More |
| 620 | 420 | KINSLEY | Kansas | UNITED COMMUNICATIONS ASSOCIATION, INC. - KS | | More |
| 626 | 420 | LA PUENTE | California | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 630 | 420 | NAPERVILLE | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 631 | 420 | FARMINGDALE | New York | VERIZON NEW YORK, INC. | RBOC | More |
| 641 | 420 | MASON CITY | Iowa | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | WIRELESS PROV | More |
| 646 | 420 | NWYRCYZN01 | New York | NEW CINGULAR WIRELESS PCS, LLC - DC | WIRELESS PROV | More |
| 650 | 420 | PACIFICA | California | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 657 | 420 | WESTMINSTR | California | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | WIRELESS PROV | More |
| 661 | 420 | BAKERSFIELD | California | LEVEL 3 COMMUNICATIONS, LLC - CA | CLEC | More |
| 662 | 420 | OLIVE BRANCH | Mississippi | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MS | WIRELESS PROV | More |
| 667 | 420 | FEDERALSBG | Maryland | DISH WIRELESS, LLC | | More |
| 678 | 420 | ATLANTA | Georgia | US LEC OF GEORGIA, INC. | CLEC | More |
| 681 | 420 | JANE LEW | West Virginia | BANDWIDTH.COM CLEC, LLC - WV | | More |
| 682 | 420 | CLEBURNE | Texas | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX | WIRELESS PROV | More |
| 701 | 420 | MINOT | North Dakota | SRT COMMUNICATIONS, INC. | IND. TELCO | More |
| 702 | 420 | LAS VEGAS | Nevada | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 703 | 420 | WASZ 8 | Virginia | NUSO, LLC | | More |
| 704 | 420 | CHARLOTTE | North Carolina | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC | WIRELESS PROV | More |
| 705 | 420 | Sault Ste. Marie | Ontario | Bell Aliant Regional Communications | | More |
| 706 | 420 | AUGUSTA | Georgia | CHARTER FIBERLINK - GEORGIA, LLC - GA | | More |
| 707 | 420 | FAIRFIELD | California | PACIFIC BELL | RBOC | More |
| 708 | 420 | LA GRANGE | Illinois | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 712 | 420 | ONAWA | Iowa | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | WIRELESS PROV | More |
| 713 | 420 | HOUSTON CLAY | Texas | SOUTHWESTERN BELL | RBOC | More |
| 714 | 420 | IRVINE | California | METROPCS NETWORKS, LLC | | More |
| 715 | 420 | MARION | Wisconsin | CHARTER FIBERLINK, LLC - WI | | More |
| 716 | 420 | ROCHESTER | New York | COMMIO, LLC | | More |
| 717 | 420 | GETTYSBURG | Pennsylvania | D&E/OMNIPOINT WIREL JOINT VENT LP DBA PCS ONE | PCS | More |
| 718 | 420 | NYCZ 14 | New York | VERIZON NEW YORK, INC. | RBOC | More |
| 719 | 420 | PUEBLO | Colorado | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 720 | 420 | DENVER | Colorado | LEVEL 3 COMMUNICATIONS, LLC - CO | CLEC | More |
| 724 | 420 | GREENSBURG | Pennsylvania | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA | CLEC | More |
| 727 | 420 | CLEARWATER | Florida | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - FL | WIRELESS PROV | More |
| 731 | 420 | HUMBOLDT | Tennessee | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 732 | 420 | NEW BRUNSWICK | New Jersey | TELEPORT COMMUNICATIONS AMERICA, LLC - NJ | CAP | More |
| 734 | 420 | LIVONIA | Michigan | MICHIGAN BELL TEL CO | RBOC | More |
| 737 | 420 | AUSTIN | Texas | COMMIO, LLC | | More |
| 740 | 420 | CIRCLEVILLE | Ohio | FRONTIER NORTH, INC. - OH | IND. TELCO | More |
| 757 | 420 | NFKZ 2 | Virginia | VERIZON VIRGINIA, INC. | RBOC | More |
| 760 | 420 | SAN DIEGO | California | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | WIRELESS PROV | More |
| 763 | 420 | MAPLE GROVE | Minnesota | CENTURYLINK OF MINNESOTA, INC. | IND. TELCO | More |
| 765 | 420 | LAFAYETTE | Indiana | FRONTIER NORTH, INC.. - IN | IND. TELCO | More |
| 770 | 420 | MARIETTA | Georgia | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 773 | 420 | CHICAGO | Illinois | TELEPORT COMMUNICATIONS AMERICA, LLC - IL | CAP | More |
| 774 | 420 | WORCESTER | Massachusetts | NEW CINGULAR WIRELESS PCS, LLC - DC | WIRELESS PROV | More |
| 775 | 420 | RENO | Nevada | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 778 | 420 | Willow Point | British Columbia | Shaw Telecom Inc. | | More |
| 780 | 420 | EDMONTON | Alberta | TELUS | IND. TELCO | More |
| 781 | 420 | LYNN | Massachusetts | METROPCS, INC. | | More |
| 785 | 420 | WILSON | Kansas | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - KS | WIRELESS PROV | More |
| 786 | 420 | MIAMI | Florida | ONVOY, LLC - FL | | More |
| 787 | 420 | GUAYNABO | Puerto Rico | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 801 | 420 | PROVO | Utah | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 802 | 420 | BURLINGTON | Vermont | PERSONAL COMMUNICATION NETWORK, INC. | PCS | More |
| 803 | 420 | CAMDEN | South Carolina | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 804 | 420 | LYNCHBURG | Virginia | NEW CINGULAR WIRELESS PCS, LLC - DC | WIRELESS PROV | More |
| 805 | 420 | SANTAPAULA | California | TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB | | More |
| 806 | 420 | AMARILLO | Texas | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 808 | 420 | HONOLULU | Hawaii | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 810 | 420 | SOUTHFIELD | Michigan | LEVEL 3 COMMUNICATIONS, LLC - MI | CLEC | More |
| 812 | 420 | BRAZIL | Indiana | FRONTIER NORTH, INC.. - IN | IND. TELCO | More |
| 813 | 420 | TAMPA | Florida | AERIAL COMMUNICATIONS, INC. | WIRELESS PROV | More |
| 814 | 420 | BARNESBORO | Pennsylvania | CORE COMMUNICATIONS, INC. - PA | | More |
| 815 | 420 | CRESTON | Illinois | ONVOY, LLC | | More |
| 816 | 420 | KANSAS CITY NASHUA | Missouri | SOUTHWESTERN BELL | RBOC | More |
| 817 | 420 | FORT WORTH EDISON | Texas | SOUTHWESTERN BELL | RBOC | More |
| 818 | 420 | VAN NUYS | California | 33 WIRELESS INC. | WIRELESS PROV | More |
| 819 | 420 | HULL | Quebec | MTS Allstream Inc. | CLEC | More |
| 828 | 420 | FOREST CITY | North Carolina | DELTACOM, INC. - NC | CLEC | More |
| 830 | 420 | MARION | Texas | SOUTHWESTERN BELL | RBOC | More |
| 831 | 420 | SANTA CRUZ | California | PACIFIC BELL | RBOC | More |
| 832 | 420 | BAMMEL | Texas | AERIAL COMMUNICATIONS, INC. | WIRELESS PROV | More |
| 843 | 420 | TIMMONSVL | South Carolina | WINDSTREAM NUVOX, INC. | CLEC | More |
| 845 | 420 | NEWBURGH | New York | NEW CINGULAR WIRELESS PCS, LLC - DC | WIRELESS PROV | More |
| 847 | 420 | NORTHBROOK | Illinois | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 848 | 420 | SPRINGLAKE | New Jersey | ONVOY, LLC - NJ | | More |
| 850 | 420 | FTWALTNBCH | Florida | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - FL | WIRELESS PROV | More |
| 856 | 420 | WOODBURY | New Jersey | ONVOY, LLC - NJ | | More |
| 857 | 420 | CAMBRIDGE | Massachusetts | ONVOY, LLC - MA | | More |
| 859 | 420 | LEXINGTON | Kentucky | POWERTEL KENTUCKY LICENSES, INC. | | More |
| 860 | 420 | CONNECTICUT | Connecticut | TELEPORT COMMUNICATIONS AMERICA, LLC - CT | CAP | More |
| 862 | 420 | BOONTON | New Jersey | ONVOY, LLC - NJ | | More |
| 863 | 420 | HAINES CITY | Florida | FRONTIER FLORIDA LLC DBA FRONTIER COMM OF FLORIDA | IND. TELCO | More |
| 864 | 420 | GREENVILLE | South Carolina | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SC | WIRELESS PROV | More |
| 865 | 420 | MASCOT | Tennessee | CHARTER FIBERLINK-TENNESSEE, LLC - TN | | More |
| 870 | 420 | COMPTON | Arkansas | TRI-COUNTY TEL. CO., INC. | IND. TELCO | More |
| 902 | 420 | HALIFAX | Nova Scotia | Aliant Telecom (NS) | IND. TELCO | More |
| 903 | 420 | GREENVILLE | Texas | BANDWIDTH.COM CLEC, LLC - TX | | More |
| 904 | 420 | Unknown | Florida | BANDWIDTH.COM CLEC, LLC - FL | | More |
| 905 | 420 | SOUTHPICK | Ontario | Bell Canada | IND. TELCO | More |
| 906 | 420 | GLADSTONE | Michigan | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 907 | 420 | SOLDOTNA | Alaska | GCI COMMUNICATION CORP. DBA GENERAL COMMUNICATION | CLEC | More |
| 908 | 420 | NEW BRUNSWICK | New Jersey | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NJ | WIRELESS PROV | More |
| 909 | 420 | COLTON | California | PACIFIC BELL | RBOC | More |
| 910 | 420 | PINEHURST | North Carolina | DELTACOM, INC. - NC | CLEC | More |
| 912 | 420 | ALBANY | Georgia | ONVOY, LLC - GA | | More |
| 913 | 420 | KANSASCITY | Kansas | AERIAL COMMUNICATIONS, INC. | WIRELESS PROV | More |
| 914 | 420 | WESTCHESTER ZONE 8 | New York | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY | WIRELESS PROV | More |
| 916 | 420 | SACRAMENTO: MAIN DA | California | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 917 | 420 | NEW YORK CITY ZONE | New York | NEW CINGULAR WIRELESS PCS, LLC - DC | WIRELESS PROV | More |
| 918 | 420 | MCALESTER | Oklahoma | SOUTHWESTERN BELL | RBOC | More |
| 919 | 420 | RALEIGH | North Carolina | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 920 | 420 | OSHKOSH | Wisconsin | UNITED STATES CELLULAR - WI | WIRELESS PROV | More |
| 925 | 420 | ALMADEN | California | ONVOY, LLC - CA | | More |
| 928 | 420 | PRESCOTT | Arizona | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 929 | 420 | NWYRCYZN06 | New York | OMNIPOINT COMMUNICATIONS, INC. - NY | WIRELESS PROV | More |
| 931 | 420 | MONTEREY | Tennessee | ONVOY SPECTRUM, LLC | | More |
| 934 | 420 | FARMINGDL | New York | CABLEVISION LIGHTPATH, INC. - NY | CLEC | More |
| 937 | 420 | FT LORAMIE | Ohio | GOLDSTAR COMMUNICATIONS, LLC - OH | | More |
| 947 | 420 | CLARKSTON | Michigan | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI | WIRELESS PROV | More |
| 949 | 420 | SANTA ANA IRVINE | California | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | CLEC | More |
| 951 | 420 | PERRIS | California | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 954 | 420 | DEERFIELD BEACH | Florida | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 956 | 420 | DONNA | Texas | ONVOY, LLC - TX | | More |
| 970 | 420 | FORT COLLINS | Colorado | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO | WIRELESS PROV | More |
| 971 | 420 | PORTLAND | Oregon | VONAGE AMERICA LLC | | More |
| 972 | 420 | LEWISVILLE | Texas | FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS | IND. TELCO | More |
| 973 | 420 | NEWARK | New Jersey | NEW CINGULAR WIRELESS PCS, LLC - DC | WIRELESS PROV | More |
| 978 | 420 | WORCESTER | Massachusetts | CTC COMMUNICATIONS CORP. - MA | | More |
| 980 | 420 | CHARLOTTE | North Carolina | HADLO TECHNOLOGIES, LLC | | More |
| 985 | 420 | HAMMOND | Louisiana | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | RBOC | More |
| 989 | 420 | MAPLE RPD | Michigan | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
|
