Area
Code | Prefix | City/Switch Name
(Click for city search) | State/Prov.
Area Map | Telephone Company
Web link | Telco
Type | More
Info |
|---|
| 201 | 451 | JERSEYCITY | New Jersey | VERIZON NEW JERSEY, INC. | RBOC | More |
| 202 | 451 | WSHNGTNZN1 | District of Columbia | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | CLEC | More |
| 203 | 451 | WESTPORT | Connecticut | NEW CINGULAR WIRELESS PCS, LLC - DC | WIRELESS PROV | More |
| 204 | 451 | Winnipeg | Manitoba | MTS Inc. | | More |
| 205 | 451 | BIRMINGHAM | Alabama | DELTACOM, INC. - AL | CLEC | More |
| 206 | 451 | BAINBDG IS | Washington | ONVOY, LLC - WA | | More |
| 207 | 451 | KITTERY | New Hampshire | CONSOLIDATED COMM OF NO. NEW ENGLAND-ME | RBOC | More |
| 208 | 451 | GRANGEVL | Idaho | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 209 | 451 | STOCKTON | California | ONVOY, LLC - CA | | More |
| 210 | 451 | SANANTONIO | Texas | AT&T CORP. | | More |
| 212 | 451 | NWYRCYZN01 | New York | VERIZON NEW YORK, INC. | RBOC | More |
| 213 | 451 | LSAN DA 13 | California | METROPCS NETWORKS, LLC | | More |
| 214 | 451 | DALLAS | Texas | LEVEL 3 OF TELECOM OF TEXAS, LLC - TX | CAP | More |
| 215 | 451 | PHLDLPHZN1 | Pennsylvania | VERIZON PENNSYLVANIA, INC. | RBOC | More |
| 216 | 451 | CLEVELAND | Ohio | OHIO BELL TEL CO | RBOC | More |
| 217 | 451 | DECATUR | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 218 | 451 | CLOQUET | Minnesota | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MN | | More |
| 224 | 451 | BARRINGTON | Illinois | ONVOY, LLC | | More |
| 225 | 451 | ZACHARY | Louisiana | ONVOY, LLC - LA | | More |
| 229 | 451 | ENIGMA | Georgia | ONVOY, LLC - GA | | More |
| 231 | 451 | WILLIAMSBG | Michigan | ONVOY, LLCV - MI | | More |
| 239 | 451 | NO NAPLES | Florida | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - FL | WIRELESS PROV | More |
| 240 | 451 | WASHINGTON ZONE 4 | Virginia | ONVOY, LLC - MD | | More |
| 248 | 451 | PONTIAC | Michigan | MICHIGAN BELL TEL CO | RBOC | More |
| 250 | 451 | Rutland | British Columbia | Bell West Inc. | | More |
| 251 | 451 | GOSPORT | Alabama | ONVOY, LLC - AL | | More |
| 252 | 451 | ROCKYMOUNT | North Carolina | CAROLINA TEL AND TEL CO., LLC DBA CENTURYLINK | IND. TELCO | More |
| 254 | 451 | CHINA SPG | Texas | ONVOY SPECTRUM, LLC | | More |
| 256 | 451 | PISGAH | Alabama | FARMERS TELECOMMUNICATIONS COOPERATIVE, INC. | IND. TELCO | More |
| 260 | 451 | FORT WAYNE | Indiana | FRONTIER NORTH, INC.. - IN | IND. TELCO | More |
| 262 | 451 | WAUKESHA | Wisconsin | USA MOBILITY WIRELESS, INC. | WIRELESS PROV | More |
| 267 | 451 | PERKASIE | Pennsylvania | GLOBAL CROSSING LOCAL SERVICES, INC. - PA | CLEC | More |
| 270 | 451 | SMITHS GRV | Kentucky | TIME WARNER CBL INFO SV (KY) DBA TIME WARNER-KY | | More |
| 276 | 451 | ABINGDON | Virginia | SUNCOM DBA T-MOBILE USA | PCS | More |
| 281 | 451 | HOUSTON | Texas | METROPCS, INC. | | More |
| 289 | 451 | Markham | Ontario | MTS Allstream Inc. | CLEC | More |
| 301 | 451 | WSHNGTNZN2 | Maryland | VERIZON MARYLAND, INC. | RBOC | More |
| 302 | 451 | NEWARK | Delaware | VERIZON DELAWARE, INC. | RBOC | More |
| 303 | 451 | DENVER | Colorado | QWEST CORPORATION | RBOC | More |
| 304 | 451 | NEWMRTNSVL | West Virginia | PEERLESS NETWORK OF WEST VIRGINIA, LLC - WV | | More |
| 305 | 451 | KEYS | Florida | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 306 | 451 | Grenfell | Saskatchewan | SaskTel Mobility | | More |
| 308 | 451 | CALLAWAY | Nebraska | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 309 | 451 | BLOOMINGTN | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 310 | 451 | SNMN SNMN | California | FRONTIER CALIFORNIA INC. | IND. TELCO | More |
| 312 | 451 | CHICGOZN01 | Illinois | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 313 | 451 | DETROITZN6 | Michigan | BANDWIDTH.COM CLEC, LLC - MI | | More |
| 314 | 451 | LADUE | Missouri | TELEPORT COMMUNICATIONS AMERICA, LLC - MO | CAP | More |
| 315 | 451 | SYRACUSE | New York | VERIZON NEW YORK, INC. | RBOC | More |
| 316 | 451 | DERBY | Kansas | SPRINT COMMUNICATIONS COMPANY, L.P. - KS | CLEC | More |
| 317 | 451 | DANVILLE | Indiana | LEVEL 3 TELECOM OF INDIANA, LP - IN | CLEC | More |
| 318 | 451 | ALEXANDRIA | Louisiana | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - LA | WIRELESS PROV | More |
| 319 | 451 | VAN HORNE | Iowa | BANDWIDTH.COM CLEC, LLC - IA | | More |
| 320 | 451 | BRAHAM | Minnesota | ONVOY, LLC - MN | | More |
| 321 | 451 | COCOA | Florida | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - FL | WIRELESS PROV | More |
| 323 | 451 | LSAN DA 09 | California | U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS | | More |
| 325 | 451 | GOLDTHWAIT | Texas | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 330 | 451 | CANTON | Ohio | OHIO BELL TEL CO | RBOC | More |
| 334 | 451 | MONTGOMERY | Alabama | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL | WIRELESS PROV | More |
| 336 | 451 | GREENSBORO | North Carolina | SUNCOM DBA T-MOBILE USA | PCS | More |
| 337 | 451 | YOUNGSVL | Louisiana | COMCAST IP PHONE, LLC | | More |
| 346 | 451 | HOUSTON | Texas | TELEPORT COMMUNICATIONS AMERICA, LLC - TX | CAP | More |
| 347 | 451 | NWYRCYZN06 | New York | METROPCS, INC. | | More |
| 352 | 451 | GAINESVL | Florida | VONAGE AMERICA LLC | | More |
| 360 | 451 | OLYMPIA | Washington | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 385 | 451 | FARMINGTON | Utah | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 386 | 451 | DAYTONABCH | Florida | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 401 | 451 | PROVIDENCE | Rhode Island | NEW CINGULAR WIRELESS PCS, LLC - DC | WIRELESS PROV | More |
| 402 | 451 | OMAHA | Nebraska | QWEST CORPORATION | RBOC | More |
| 403 | 451 | EDMONTON | Alberta | Rogers Communications Partnership (Cable) | CLEC | More |
| 404 | 451 | ATLANTA | Georgia | POWERTEL ATLANTA LICENSES, INC. | WIRELESS PROV | More |
| 405 | 451 | XXXXXXXXXX | Oklahoma | ONVOY, LLC - OK | | More |
| 406 | 451 | BOZEMAN | Montana | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 407 | 451 | ORLANDO | Florida | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 408 | 451 | SNJS WEST | California | PACIFIC BELL | RBOC | More |
| 409 | 451 | LA BELLE | Texas | AT&T WIRELESS SERVICES | WIRELESS PROV | More |
| 410 | 451 | CROFTON | Maryland | VERIZON MARYLAND, INC. | RBOC | More |
| 412 | 451 | PTTSBGZON5 | Pennsylvania | GLOBAL CROSSING LOCAL SERVICES, INC. - PA | CLEC | More |
| 413 | 451 | LONGMEADOW | Massachusetts | CHOICE ONE COMMUNICATIONS, INC. - MA | CLEC | More |
| 415 | 451 | SAN RAFAEL | California | PACIFIC BELL | RBOC | More |
| 416 | 451 | TORONTO | Ontario | Rogers Communications Partnership (Wireless) | WIRELESS PROV | More |
| 417 | 451 | NEOSHO | Missouri | SOUTHWESTERN BELL | RBOC | More |
| 418 | 451 | St-Prime | Quebec | Videotron General Partnership | CLEC | More |
| 419 | 451 | PIONEER | Ohio | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 423 | 451 | SODDYDAISY | Tennessee | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | RBOC | More |
| 424 | 451 | SAN PEDRO | California | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | WIRELESS PROV | More |
| 425 | 451 | BELLEVUE | Washington | QWEST CORPORATION | RBOC | More |
| 440 | 451 | HILLCREST | Ohio | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH | WIRELESS PROV | More |
| 442 | 451 | YUCCA VLY | California | TELNYX LLC | | More |
| 443 | 451 | BALTIMORE | Maryland | PAETEC COMMUNICATIONS, INC. - MD | CLEC | More |
| 450 | 451 | RIGAUD | Quebec | Bell Canada | IND. TELCO | More |
| 458 | 451 | BUTTEFALLS | Oregon | ONVOY, LLC - OR | | More |
| 469 | 451 | LEWISVILLE | Texas | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | CLEC | More |
| 470 | 451 | ATLANTA | Georgia | VOIP INNOVATIONS, LLC | | More |
| 478 | 451 | MILLEDGEVL | Georgia | WINDSTREAM GEORGIA COMMUNICATIONS CORP. | IND. TELCO | More |
| 479 | 451 | PEA RIDGE | Arkansas | CENTURYTEL NW AR-RUSSELVL DBA CENTURYLINK-RUSSELLV | | More |
| 480 | 451 | PHOENIX | Arizona | QWEST CORPORATION | RBOC | More |
| 484 | 451 | PHPHSBZN21 | Pennsylvania | US LEC OF PENNSYLVANIA, INC. | CLEC | More |
| 501 | 451 | PEA RIDGE | Arkansas | IP HORIZON LLC | | More |
| 502 | 451 | LOUISVILLE | Kentucky | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | RBOC | More |
| 503 | 451 | CLACKAMAS | Oregon | TELEPORT COMMUNICATIONS AMERICA, LLC - OR | CLEC | More |
| 504 | 451 | NEWORLEANS | Louisiana | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 505 | 451 | KENTON | Oklahoma | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 506 | 451 | FREDERICTON | New Brunswick | Aliant Telecom(NB) | IND. TELCO | More |
| 507 | 451 | OWATONNA | Minnesota | QWEST CORPORATION | RBOC | More |
| 508 | 451 | LAWRENCE | Massachusetts | NEW CINGULAR WIRELESS PCS, LLC - DC | WIRELESS PROV | More |
| 509 | 451 | YAKIMA | Washington | QWEST CORPORATION | RBOC | More |
| 510 | 451 | OKLD MN-PD | California | PACIFIC BELL | RBOC | More |
| 512 | 451 | AUSTIN | Texas | SOUTHWESTERN BELL | RBOC | More |
| 513 | 451 | CINCINNATI | Ohio | CINCINNATI BELL | IND. TELCO | More |
| 514 | 451 | Montreal | Quebec | Rogers Communications Partnership (Wireless) | WIRELESS PROV | More |
| 515 | 451 | AMES | Iowa | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 516 | 451 | SELDEN | New York | METROPCS, INC. | | More |
| 517 | 451 | BRITTON | Michigan | FRONTIER NORTH, INC. - MI | IND. TELCO | More |
| 518 | 451 | ALBANY | New York | VERIZON NEW YORK, INC. | RBOC | More |
| 519 | 451 | LONDON | Ontario | Bell Canada | IND. TELCO | More |
| 520 | 451 | SEDONA | Arizona | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ | WIRELESS PROV | More |
| 530 | 451 | SMARTSVL | California | ONVOY, LLC - CA | | More |
| 540 | 451 | WAYNESBORO | Virginia | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | WIRELESS PROV | More |
| 541 | 451 | LEBANON | Oregon | CENTURYTEL OF OREGON, INC. DBA CENTURYLINK | IND. TELCO | More |
| 551 | 451 | CLIFFSIDE | New Jersey | ONVOY, LLC - NJ | | More |
| 559 | 451 | FRESNO | California | PACIFIC BELL | RBOC | More |
| 561 | 451 | BOCA RATON | Florida | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 562 | 451 | LA HABRA | California | BANDWIDTH.COM CLEC, LLC - CA | | More |
| 563 | 451 | DUBUQUE | Iowa | AT&T - LOCAL | CLEC | More |
| 567 | 451 | ELMORE | Ohio | COMMIO, LLC | | More |
| 570 | 451 | MOOSIC | Pennsylvania | VERIZON PENNSYLVANIA, INC. | RBOC | More |
| 571 | 451 | WSNGTNZN08 | Virginia | CTC COMMUNICATIONS CORP. - VA | CLEC | More |
| 573 | 451 | ST ROBERT | Missouri | FIDELITY CABLEVISION, LLC | | More |
| 575 | 451 | KENTON | New Mexico | PANHANDLE TELEPHONE COOPERATIVE, INC. | IND. TELCO | More |
| 580 | 451 | DOUGHERTY | Oklahoma | UNITED STATES CELLULAR - OK | WIRELESS PROV | More |
| 585 | 451 | ROCHESTER | New York | NEW CINGULAR WIRELESS PCS, LLC - DC | WIRELESS PROV | More |
| 586 | 451 | ROSEVILLE | Michigan | AMERICAN MESSAGING SERVICES, LLC | | More |
| 601 | 451 | FAYETTE | Mississippi | METROPCS, INC. | | More |
| 602 | 451 | PHOENIX | Arizona | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 603 | 451 | MILAN | New Hampshire | NEW CINGULAR WIRELESS PCS, LLC - DC | WIRELESS PROV | More |
| 604 | 451 | VANCOUVER | British Columbia | TELUS | IND. TELCO | More |
| 605 | 451 | WAKONDA | South Dakota | MIDCONTINENT COMMUNICATIONS. - SD | CLEC | More |
| 606 | 451 | SOMERSET | Kentucky | WINDSTREAM KENTUCKY EAST, INC. - LEXINGTON | | More |
| 607 | 451 | ITHACA | New York | PEERING HUB, INC. - NY | | More |
| 608 | 451 | BANGOR | Wisconsin | CHARTER FIBERLINK, LLC - WI | | More |
| 609 | 451 | MEDFORD | New Jersey | BANDWIDTH.COM CLEC, LLC - NJ | | More |
| 610 | 451 | READING | Pennsylvania | NEW CINGULAR WIRELESS PCS, LLC - DC | WIRELESS PROV | More |
| 612 | 451 | TWINCITIES | Minnesota | VONAGE AMERICA LLC | | More |
| 613 | 451 | ARLETON PLACE | Ontario | Rogers Communications Partnership (Wireless) | WIRELESS PROV | More |
| 614 | 451 | COLUMBUS | Ohio | OHIO BELL TEL CO | RBOC | More |
| 615 | 451 | GALLATIN | Tennessee | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | RBOC | More |
| 616 | 451 | GRAND RPDS | Michigan | MICHIGAN BELL TEL CO | RBOC | More |
| 617 | 451 | BOSTON | Massachusetts | VERIZON NEW ENGLAND INC. | RBOC | More |
| 618 | 451 | GRANITE CY | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 619 | 451 | CHULAVISTA | California | METROPCS, INC. | | More |
| 620 | 451 | SYRACUSE | Kansas | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - KS | WIRELESS PROV | More |
| 623 | 451 | PHOENIX | Arizona | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 626 | 451 | ALHAMBRA | California | PACIFIC BELL | RBOC | More |
| 630 | 451 | BENSENVL | Illinois | LEVEL 3 COMMUNICATIONS, LLC - IL | CLEC | More |
| 631 | 451 | SELDEN | New York | VERIZON NEW YORK, INC. | RBOC | More |
| 636 | 451 | GRAY SUMMIT | Missouri | SOUTHWESTERN BELL | RBOC | More |
| 641 | 451 | FAIRFIELD | Iowa | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | WIRELESS PROV | More |
| 646 | 451 | NWYRCYZN01 | New York | PAETEC COMMUNICATIONS, INC. - NY | CLEC | More |
| 650 | 451 | SAN FRANCISCO | California | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 651 | 451 | STPZ 6 | Minnesota | QWEST CORPORATION | RBOC | More |
| 657 | 451 | HUNTITNBCH | California | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | WIRELESS PROV | More |
| 661 | 451 | BAKERSFIELD | California | ONVOY, LLC - CA | | More |
| 662 | 451 | GREENWOOD | Mississippi | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | RBOC | More |
| 667 | 451 | FORK | Maryland | NEW CINGULAR WIRELESS PCS, LLC - DC | WIRELESS PROV | More |
| 678 | 451 | ATLANTA NORTHEAST | Georgia | LEVEL 3 COMMUNICATIONS, LLC - GA | CLEC | More |
| 681 | 451 | BUFFALO | West Virginia | BANDWIDTH.COM CLEC, LLC - WV | | More |
| 701 | 451 | FARGO | North Dakota | COMCAST IP PHONE, LLC | | More |
| 702 | 451 | LAS VEGAS | Nevada | CENTRAL TEL. CO. - NEVADA DBA CENTURYLINK | IND. TELCO | More |
| 703 | 451 | WASZ 17 | Virginia | VERIZON VIRGINIA, INC. | RBOC | More |
| 704 | 451 | CHARLOTTE | North Carolina | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 705 | 451 | Hanmer | Ontario | Bell Aliant Regional Communications | | More |
| 706 | 451 | WARRENTON | Georgia | DELTACOM, INC. - GA | CLEC | More |
| 707 | 451 | VACAVILLE | California | PACIFIC BELL | RBOC | More |
| 708 | 451 | NORTHBROOK | Illinois | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | WIRELESS PROV | More |
| 709 | 451 | TROUT RIVER | Newfoundland | Aliant Telecom (NF) | IND. TELCO | More |
| 712 | 451 | ROCKVALLEY | Iowa | PREMIER COMMUNICATIONS, INC. - IA | | More |
| 713 | 451 | HOUSTON GLENDALE | Texas | SOUTHWESTERN BELL | RBOC | More |
| 714 | 451 | IRVINE | California | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | CLEC | More |
| 715 | 451 | WISCONSIN RAPIDS | Wisconsin | UNITED STATES CELLULAR - WI | WIRELESS PROV | More |
| 716 | 451 | ROCHESTER | New York | TIME WARNER CABLE INFO SVCE (NEW YORK) LLC-NY | | More |
| 717 | 451 | HANOVER (YORK) | Pennsylvania | NEW CINGULAR WIRELESS PCS, LLC - DC | WIRELESS PROV | More |
| 718 | 451 | NYCZ 6 | New York | VERIZON NEW YORK, INC. | RBOC | More |
| 719 | 451 | DEL NORTE | Colorado | TELNYX LLC | | More |
| 720 | 451 | DENVER | Colorado | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 724 | 451 | BRAVE | Pennsylvania | WINDSTREAM PENNSYLVANIA, INC. | IND. TELCO | More |
| 727 | 451 | WINTER HAVEN | Florida | WINDSTREAM NUVOX, INC. | CLEC | More |
| 731 | 451 | HENNING | Tennessee | LEVEL 3 COMMUNICATIONS, LLC - TN | CLEC | More |
| 732 | 451 | POINT PLEASANT | New Jersey | VERIZON NEW JERSEY, INC. | RBOC | More |
| 734 | 451 | PLYMOUTH | Michigan | MICHIGAN BELL TEL CO | RBOC | More |
| 740 | 451 | CIRCLEVL | Ohio | ARMSTRONG TELECOMMUNICATIONS, INC. - OH | | More |
| 757 | 451 | NFKZ 2 | Virginia | VERIZON VIRGINIA, INC. | RBOC | More |
| 760 | 451 | FALLBROOK | California | PACIFIC BELL | RBOC | More |
| 765 | 451 | KOKOMO | Indiana | INDIANA BELL TEL CO INC | RBOC | More |
| 770 | 451 | CHAMBLEE | Georgia | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 773 | 451 | CHCZ 7 | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 774 | 451 | FALL RIVER | Massachusetts | OMNIPOINT MIAMI E LICENSE, LLC | PCS | More |
| 775 | 451 | RENO | Nevada | ONVOY, LLC - NV | | More |
| 778 | 451 | Courtenay | British Columbia | TELUS | IND. TELCO | More |
| 780 | 451 | EDMONTON | Alberta | TELUS | IND. TELCO | More |
| 781 | 451 | CAMBRIDGE | Massachusetts | AT&T - LOCAL | CLEC | More |
| 785 | 451 | HOLYROOD | Kansas | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - KS | WIRELESS PROV | More |
| 786 | 451 | MIAMI | Florida | OMNIPOINT MIAMI E LICENSE, LLC | PCS | More |
| 787 | 451 | SANTURCE | Puerto Rico | PUERTO RICO TELCO DBA CLARO PUERTO RICO | WIRELESS PROV | More |
| 801 | 451 | FARMINGTON | Utah | QWEST CORPORATION | RBOC | More |
| 802 | 451 | BRATTLEBORO | Vermont | LEVEL 3 COMMUNICATIONS, LLC - VT | | More |
| 803 | 451 | NEWBERRY | South Carolina | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - SC | CLEC | More |
| 804 | 451 | RICHMOND | Virginia | LEVEL 3 COMMUNICATIONS, LLC - VA | CLEC | More |
| 805 | 451 | SANTA BARBARA | California | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | WIRELESS PROV | More |
| 806 | 451 | LUBBOCK | Texas | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 808 | 451 | HONOLULU | Hawaii | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 812 | 451 | EVANSVILLE | Indiana | INDIANA BELL TEL CO INC | RBOC | More |
| 813 | 451 | TAMPA | Florida | AERIAL COMMUNICATIONS, INC. | WIRELESS PROV | More |
| 814 | 451 | ERIE | Pennsylvania | VERIZON NORTH, INC. - PA | IND. TELCO | More |
| 815 | 451 | WOODSTOCK | Illinois | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 816 | 451 | KANSASCITY | Missouri | ONVOY, LLC - MO | | More |
| 817 | 451 | FORT WORTH GLENDALE | Texas | SOUTHWESTERN BELL | RBOC | More |
| 818 | 451 | LSAN LA01 | California | IP HORIZON LLC | | More |
| 819 | 451 | East Angus | Quebec | Videotron General Partnership | CLEC | More |
| 828 | 451 | HENDERSNVL | North Carolina | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 830 | 451 | SAN ANTONIO CAPITOL | Texas | DISH WIRELESS, LLC | | More |
| 832 | 451 | KATY FBC | Texas | GRANDE COMMUNICATIONS NETWORKS, INC. - TX | CLEC | More |
| 843 | 451 | MYRTLE BEACH | South Carolina | FRONTIER COMMUNICATIONS OF THE CAROLINAS INC. - SC | IND. TELCO | More |
| 845 | 451 | POUGHKEEPSIE | New York | VERIZON NEW YORK, INC. | RBOC | More |
| 847 | 451 | RIVER GROVE | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 850 | 451 | ALTHA | Florida | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - FL | WIRELESS PROV | More |
| 856 | 451 | BRIDGETON | New Jersey | VERIZON NEW JERSEY, INC. | RBOC | More |
| 858 | 451 | RANCHO BERNARDO | California | PACIFIC BELL | RBOC | More |
| 859 | 451 | WINCHESTER | Kentucky | TELNYX LLC | | More |
| 860 | 451 | CONNECTICUT | Connecticut | TELEPORT COMMUNICATIONS AMERICA, LLC - CT | CAP | More |
| 862 | 451 | CALDWELL | New Jersey | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NJ | WIRELESS PROV | More |
| 863 | 451 | SEBRING | Florida | TELEPORT COMMUNICATIONS AMERICA, LLC - FL | CLEC | More |
| 864 | 451 | GREENVILLE | South Carolina | SUNCOM DBA T-MOBILE USA | PCS | More |
| 870 | 451 | NASHVILLE | Arkansas | SOUTHWESTERN BELL | RBOC | More |
| 901 | 451 | MEMPHIS | Tennessee | LEVEL 3 TELECOM OF TENNESSEE, LLC - TN | CLEC | More |
| 902 | 451 | HALIFAX | Nova Scotia | Aliant Telecom (NS) | IND. TELCO | More |
| 903 | 451 | PAYNE SPRINGS | Texas | UNITED TELEPHONE OF TEXAS INC DBA CENTURYLINK | IND. TELCO | More |
| 904 | 451 | JACKSONVL | Florida | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - FL | WIRELESS PROV | More |
| 905 | 451 | BRAMPTON | Ontario | Bell Canada | IND. TELCO | More |
| 906 | 451 | MARQUETTE | Michigan | IP HORIZON LLC | | More |
| 907 | 451 | FAIRBANKS | Alaska | ACS OF FAIRBANKS, INC. | IND. TELCO | More |
| 908 | 451 | CRANFORD | New Jersey | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NJ | WIRELESS PROV | More |
| 909 | 451 | LOS ANGELES | California | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA | CLEC | More |
| 910 | 451 | JACKSONVILLE | North Carolina | CAROLINA TEL AND TEL CO., LLC DBA CENTURYLINK | IND. TELCO | More |
| 912 | 451 | MILLEDGEVILLE | Georgia | PLANTERS COMMUNICATIONS, LLC - GA | | More |
| 913 | 451 | OVERLAND PARK | Kansas | SOUTHWESTERN BELL | RBOC | More |
| 914 | 451 | NEW YORK CITY | New York | NEW CINGULAR WIRELESS PCS, LLC - DC | WIRELESS PROV | More |
| 915 | 451 | GOLDTHWAIT | Texas | DOBSON CELLULAR SYSTEMS, INC. | WIRELESS PROV | More |
| 916 | 451 | SACRAMENTO | California | PACIFIC BELL | RBOC | More |
| 917 | 451 | NEW YORK CITY ZONE | New York | CABLEVISION LIGHTPATH, INC. - NY | CLEC | More |
| 918 | 451 | BROKEN ARROW | Oklahoma | VALOR TELECOM TX.LP-OK DBA WINDSTREAM COMM SW | | More |
| 919 | 451 | DURHAM | North Carolina | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC | WIRELESS PROV | More |
| 920 | 451 | SHEBOYGAN | Wisconsin | WISCONSIN BELL INC | RBOC | More |
| 925 | 451 | WALNUT CREEK | California | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 928 | 451 | SEDONA | Arizona | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 929 | 451 | NWYRCYZN03 | New York | OMNIPOINT COMMUNICATIONS, INC. - NY | WIRELESS PROV | More |
| 931 | 451 | NASHVILLE | Tennessee | GLOBAL CROSSING LOCAL SERVICES, INC. - TN | | More |
| 934 | 451 | BELLPORT | New York | CABLEVISION LIGHTPATH, INC. - NY | CLEC | More |
| 937 | 451 | PIQUA | Ohio | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 939 | 451 | BAYAMONNOR | Puerto Rico | PUERTO RICO TELCO DBA CLARO PUERTO RICO | WIRELESS PROV | More |
| 941 | 451 | NORTH NAPLES | Florida | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - FL | WIRELESS PROV | More |
| 949 | 451 | IRVINE | California | PACIFIC BELL | RBOC | More |
| 951 | 451 | HEMT SNJC | California | METROPCS NETWORKS, LLC | | More |
| 952 | 451 | TWIN CITIES | Minnesota | AERIAL COMMUNICATIONS, INC. | WIRELESS PROV | More |
| 954 | 451 | FTLAUDERDL | Florida | BANDWIDTH.COM CLEC, LLC - FL | | More |
| 956 | 451 | MCALLEN | Texas | METROPCS, INC. | | More |
| 970 | 451 | GREELEY | Colorado | ONVOY, LLC - CO | | More |
| 971 | 451 | BEAVERTON | Oregon | ONVOY, LLC - OR | | More |
| 972 | 451 | GRAND PRAIRIE | Texas | USA MOBILITY WIRELESS, INC. | WIRELESS PROV | More |
| 973 | 451 | MORRISTOWN | New Jersey | VERIZON NEW JERSEY, INC. | RBOC | More |
| 978 | 451 | CONCORD | Massachusetts | LEVEL 3 COMMUNICATIONS, LLC - MA | CLEC | More |
| 979 | 451 | BRENHAM | Texas | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 980 | 451 | CHARLOTTE | North Carolina | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC | WIRELESS PROV | More |
| 989 | 451 | SAGINAW | Michigan | DISH WIRELESS, LLC | | More |
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