Area Code | Prefix | City/Switch Name (Click for city search) | State/Prov. Area Map | Telephone Company Web link | Telco Type | More Info |
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| 201 | 912 | HACKENSACK | New Jersey | NEW CINGULAR WIRELESS PCS, LLC - DC | WIRELESS PROV | More |
| 202 | 912 | WSHNGTNZN1 | District of Columbia | VERIZON WASHINGTON DC, INC. | RBOC | More |
| 203 | 912 | STAMFORD | Connecticut | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT | WIRELESS PROV | More |
| 205 | 912 | BIRMINGHAM | Alabama | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | RBOC | More |
| 208 | 912 | BOISE | Idaho | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 209 | 912 | GALT | California | ONVOY, LLC - CA | | More |
| 210 | 912 | SANANTONIO | Texas | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 212 | 912 | NWYRCYZN01 | New York | VERIZON NEW YORK, INC. | RBOC | More |
| 214 | 912 | GRANDPRARI | Texas | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 215 | 912 | PHLDLPHZN4 | Pennsylvania | VERIZON PENNSYLVANIA, INC. | RBOC | More |
| 216 | 912 | CLEVELAND | Ohio | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH | CLEC | More |
| 217 | 912 | RIDGE FARM | Illinois | PEERLESS NETWORK OF ILLINOIS, LLC - IL | | More |
| 219 | 912 | PORTAGE | Indiana | ONVOY, LLC - IN | | More |
| 231 | 912 | REED CITY | Michigan | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 240 | 912 | GAITHERSBG | Virginia | US LEC OF MARYLAND, INC. | CLEC | More |
| 248 | 912 | NORTHVILLE | Michigan | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI | WIRELESS PROV | More |
| 250 | 912 | CAMPBELL RIVER | British Columbia | TELUS | IND. TELCO | More |
| 253 | 912 | TACOMA | Washington | QWEST CORPORATION | RBOC | More |
| 256 | 912 | SCOTTSBORO | Alabama | BANDWIDTH.COM CLEC, LLC - AL | | More |
| 262 | 912 | HARTLAND | Wisconsin | TELEPORT COMMUNICATIONS AMERICA, LLC WI | CAP | More |
| 267 | 912 | PHPHSBZN40 | Pennsylvania | CORE COMMUNICATIONS, INC. - PA | | More |
| 269 | 912 | NILES | Michigan | TELNET WORLDWIDE, INC. | CLEC | More |
| 270 | 912 | BENTON | Kentucky | ONVOY, LLC - KY | | More |
| 281 | 912 | HSTNSUBURB | Texas | GRANDE COMMUNICATIONS NETWORKS, INC. - TX | CLEC | More |
| 289 | 912 | Port Perry | Ontario | Comwave Networks | | More |
| 301 | 912 | WSNG238Z14 | Maryland | VERIZON MARYLAND, INC. | RBOC | More |
| 303 | 912 | DENVER | Colorado | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO | WIRELESS PROV | More |
| 304 | 912 | CHESTER | West Virginia | AT&T - LOCAL | CLEC | More |
| 305 | 912 | MIAMI | Florida | BANDWIDTH.COM CLEC, LLC - FL | | More |
| 309 | 912 | EASTMOLINE | Iowa | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 310 | 912 | CMTN GRDN | California | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | WIRELESS PROV | More |
| 312 | 912 | CHICGOZN01 | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 313 | 912 | DETROITZN5 | Michigan | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI | WIRELESS PROV | More |
| 314 | 912 | ST LOUIS | Missouri | RADIANTIQ LLC | | More |
| 315 | 912 | CONSTABLVL | New York | TIME WARNER CABLE INFO SVCE (NEW YORK) LLC-NY | | More |
| 317 | 912 | INDIANAPOLIS | Indiana | OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC | | More |
| 323 | 912 | LSAN DA 02 | California | PACIFIC BELL | RBOC | More |
| 330 | 912 | KENT | Ohio | USA MOBILITY WIRELESS, INC. | WIRELESS PROV | More |
| 334 | 912 | MONTGOMERY | Alabama | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 336 | 912 | | North Carolina | SUNCOM DBA T-MOBILE USA | PCS | More |
| 337 | 912 | LK CHARLES | Louisiana | METROPCS, INC. | | More |
| 347 | 912 | NWYRCYZN03 | New York | OMNIPOINT COMMUNICATIONS, INC. - NY | WIRELESS PROV | More |
| 360 | 912 | PT ANGELES | Washington | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 402 | 912 | HASTINGS | Nebraska | TELEPORT COMMUNICATIONS AMERICA, LLC - NE | CAP | More |
| 403 | 912 | AIRDRIE | Alberta | TELUS | IND. TELCO | More |
| 404 | 912 | ATLANTA | Georgia | ONVOY, LLC - GA | | More |
| 405 | 912 | MOORE | Oklahoma | SOUTHWESTERN BELL | RBOC | More |
| 407 | 912 | ORLANDO | Florida | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - FL | WIRELESS PROV | More |
| 408 | 912 | SNJS SOUTH | California | LEVEL 3 COMMUNICATIONS, LLC - CA | CLEC | More |
| 410 | 912 | SALISBURY | Maryland | CAVALIER TELEPHONE, LLC (MID-ATLANTIC) - MD | CLEC | More |
| 412 | 912 | PTTSBGZON1 | Pennsylvania | ONVOY, LLC - PA | | More |
| 415 | 912 | SNFC CNTRL | California | PACIFIC BELL | RBOC | More |
| 416 | 912 | Toronto | Ontario | Bell Mobility | WIRELESS PROV | More |
| 417 | 912 | BOLIVAR | Missouri | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO | | More |
| 418 | 912 | Stoneham | Quebec | Videotron General Partnership | CLEC | More |
| 419 | 912 | BEAVERDAM | Ohio | TIME WARNER CABLE INFORMATION SVCS (OHIO) - OH | | More |
| 423 | 912 | LAFOLLETTE | Tennessee | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 440 | 912 | NORTH ROYALTON | Ohio | XO OHIO, INC. | CLEC | More |
| 443 | 912 | TOWSON | Maryland | CORE COMMUNICATIONS, INC.- MD | CLEC | More |
| 450 | 912 | Longueuil | Quebec | Iristel Inc. | | More |
| 469 | 912 | IRVING | Texas | BANDWIDTH.COM CLEC, LLC - TX | | More |
| 470 | 912 | WINDER | Georgia | ONVOY, LLC - GA | | More |
| 480 | 912 | PHOENIX | Arizona | COMCAST IP PHONE, LLC | | More |
| 484 | 912 | NORRISTOWN (PHLA SU | Pennsylvania | CENTURYLINK COMMUNICATIONS, LLC | | More |
| 501 | 912 | LITTLEROCK | Arkansas | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AR | WIRELESS PROV | More |
| 502 | 912 | LOUISVILLE | Kentucky | NUSO, LLC | | More |
| 503 | 912 | GRESHAM | Oregon | COMCAST IP PHONE, LLC | | More |
| 504 | 912 | JESUITBEND | Louisiana | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 505 | 912 | BAYARD | New Mexico | COMCAST PHONE OF NEW MEXICO, LLC - NM | | More |
| 510 | 912 | OKLD MN-PD | California | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | WIRELESS PROV | More |
| 512 | 912 | AUSTIN | Texas | SOUTHWESTERN BELL | RBOC | More |
| 513 | 912 | HAMILTON | Ohio | ONVOY, LLC - OH | | More |
| 514 | 912 | MONTREAL | Quebec | Bell Mobility | WIRELESS PROV | More |
| 515 | 912 | INDIANOLA | Iowa | BANDWIDTH.COM CLEC, LLC - IA | | More |
| 516 | 912 | NORTHPORT | New York | OMNIPOINT COMMUNICATIONS, INC. - NY | WIRELESS PROV | More |
| 517 | 912 | DIMONDALE | Michigan | ACD TELECOM, INC. - MI | | More |
| 518 | 912 | ALBANY | New York | TC SYSTEMS, INC. - NY | CAP | More |
| 519 | 912 | Wingham | Ontario | Huron Telecommunications Co-operative Ltd. | | More |
| 520 | 912 | TUCSON | Arizona | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 530 | 912 | TRUCKEE | California | COMMIO, LLC | | More |
| 540 | 912 | BURNTCHMNY | Virginia | LEVEL 3 COMMUNICATIONS, LLC - VA | CLEC | More |
| 541 | 912 | EUGENE | Oregon | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 561 | 912 | BOCA RATON | Florida | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 562 | 912 | LONG BEACH | California | LEVEL 3 COMMUNICATIONS, LLC - CA | CLEC | More |
| 570 | 912 | BLOOMSBURG | Pennsylvania | LEVEL 3 COMMUNICATIONS, LLC - PA | CLEC | More |
| 573 | 912 | HATTON | Missouri | LEVEL 3 COMMUNICATIONS, LLC - MO | CLEC | More |
| 575 | 912 | BAYARD | New Mexico | ONVOY, LLC - NM | | More |
| 586 | 912 | WARREN | Michigan | AMERICAN MESSAGING SERVICES, LLC | | More |
| 601 | 912 | RICHTON | Mississippi | LEVEL 3 COMMUNICATIONS, LLC - MS | | More |
| 602 | 912 | PHOENIX | Arizona | QWEST CORPORATION | RBOC | More |
| 603 | 912 | SALEM | New Hampshire | TERRA NOVA TELECOM INC. | | More |
| 604 | 912 | West Vancouver | British Columbia | Shaw Telecom Inc. | | More |
| 606 | 912 | MT VERNON | Kentucky | LEVEL 3 COMMUNICATIONS, LLC - KY | CLEC | More |
| 608 | 912 | DE FOREST | Wisconsin | BANDWIDTH.COM CLEC, LLC - WI | | More |
| 609 | 912 | LAWRENCEVL | New Jersey | VERIZON NEW JERSEY, INC. | RBOC | More |
| 610 | 912 | ALLENTOWN | Pennsylvania | USA MOBILITY WIRELESS, INC. | WIRELESS PROV | More |
| 613 | 912 | Ottawa-Hull | Ontario | Iristel Inc. | | More |
| 614 | 912 | GROVEPORT | Ohio | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH | WIRELESS PROV | More |
| 615 | 912 | NASHVILLE | Tennessee | TELEPORT COMMUNICATIONS AMERICA, LLC - TN | | More |
| 616 | 912 | NILES | Michigan | TELNET WORLDWIDE, INC. | CLEC | More |
| 617 | 912 | BOSTON | Massachusetts | TC SYSTEMS, INC. | CAP | More |
| 618 | 912 | BRIDGEPORT | Illinois | LEVEL 3 COMMUNICATIONS, LLC - IL | CLEC | More |
| 619 | 912 | SNDG SNDG | California | ONVOY, LLC - CA | | More |
| 620 | 912 | ERIE | Kansas | SOUTHWESTERN BELL | RBOC | More |
| 626 | 912 | LA PUENTE | California | FRONTIER CALIFORNIA INC. | IND. TELCO | More |
| 630 | 912 | ROSELLE | Illinois | TELEPORT COMMUNICATIONS AMERICA, LLC - IL | CAP | More |
| 631 | 912 | NORTHPORT | New York | VERIZON NEW YORK, INC. | RBOC | More |
| 646 | 912 | NWYRCYZN01 | New York | NEW CINGULAR WIRELESS PCS, LLC - DC | WIRELESS PROV | More |
| 650 | 912 | HALFMOONBY | California | COMMIO, LLC | | More |
| 661 | 912 | BAKERSFIELD | California | TELEPORT COMMUNICATIONS AMERICA, LLC - CA | CLEC | More |
| 662 | 912 | MEMPHIS | Mississippi | US LEC OF TENNESSEE, INC. - MS | | More |
| 678 | 912 | ATLANTA SO | Georgia | ONVOY SPECTRUM, LLC | | More |
| 701 | 912 | ENDERLIN | North Dakota | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 702 | 912 | LAS VEGAS | Nevada | COMCAST IP PHONE, LLC | | More |
| 703 | 912 | WASZ 17 | Virginia | VERIZON VIRGINIA, INC. | RBOC | More |
| 704 | 912 | HUNTERSVILLE | North Carolina | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NC | CLEC | More |
| 706 | 912 | TOCCOA | Georgia | POWERTEL ATLANTA LICENSES, INC. | WIRELESS PROV | More |
| 707 | 912 | VACAVILLE | California | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 708 | 912 | BURR RIDGE | Illinois | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 713 | 912 | HOUSTON SUNSET | Texas | ONVOY SPECTRUM, LLC | | More |
| 714 | 912 | LOS ANGELES | California | U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS | | More |
| 715 | 912 | EAU CLAIRE | Wisconsin | LEVEL 3 COMMUNICATIONS, LLC - WI | | More |
| 716 | 912 | BUFFALO | New York | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY | WIRELESS PROV | More |
| 717 | 912 | HARRISBURG CITY ZON | Pennsylvania | BANDWIDTH.COM CLEC, LLC - PA | | More |
| 718 | 912 | NEW YORK CITY ZONE | New York | OMNIPOINT COMMUNICATIONS, INC. - NY | WIRELESS PROV | More |
| 719 | 912 | CRIPPLECRK | Colorado | ONVOY, LLC - CO | | More |
| 720 | 912 | DENVER | Colorado | ONVOY, LLC - CO | | More |
| 724 | 912 | PITTSBURGH | Pennsylvania | TELEPORT COMMUNICATIONS AMERICA, LLC - PA | CAP | More |
| 732 | 912 | WOODBRIDGE | New Jersey | NEW CINGULAR WIRELESS PCS, LLC - DC | WIRELESS PROV | More |
| 734 | 912 | YPSILANTI | Michigan | Unknown | | More |
| 740 | 912 | COSHOCTON | Ohio | TIME WARNER CABLE INFORMATION SVCS (OHIO) - OH | | More |
| 757 | 912 | NWPTNWSZN3 | Virginia | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | WIRELESS PROV | More |
| 760 | 912 | VICTORVILLE | California | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 770 | 912 | FLOWERY BRANCH | Georgia | METROPCS, INC. | | More |
| 773 | 912 | CHICAGO | Illinois | GLOBAL CROSSING LOCAL SERVICES, INC. - IL | CLEC | More |
| 780 | 912 | Fort Saskatchewan | Alberta | TELUS | IND. TELCO | More |
| 781 | 912 | MASSACHUSETTS | Massachusetts | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | CLEC | More |
| 786 | 912 | MIAMI | Florida | OMNIPOINT MIAMI E LICENSE, LLC | PCS | More |
| 787 | 912 | LAS PIEDRAS | Puerto Rico | LIBERTY MOBILE PUERTO RICO INC. | CLEC | More |
| 801 | 912 | SALT LAKE | Utah | ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM | CLEC | More |
| 803 | 912 | Unknown | South Carolina | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 804 | 912 | HANOVER | Virginia | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA | WIRELESS PROV | More |
| 805 | 912 | SAN LUIS OBISPO | California | PEERLESS NETWORK OF CALIFORNIA, LLC - CA | | More |
| 812 | 912 | JASPER | Indiana | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN | WIRELESS PROV | More |
| 813 | 912 | TAMPAWST | Florida | HD CARRIER LLC | | More |
| 814 | 912 | LINESVILLE | Pennsylvania | CORE COMMUNICATIONS, INC. - PA | | More |
| 815 | 912 | BELVIDERE | Illinois | AERO NORTH COMMUNICATIONS, INC. - IL | | More |
| 816 | 912 | KANSASCITY | Missouri | TIME WARNER CBL INFO SVC (MO) DBA TIME WARNER CBL | | More |
| 817 | 912 | GRAPEVINE | Texas | SOUTHWESTERN BELL TELEPHONE COMPANY - TX | CLEC | More |
| 818 | 912 | CANOGAPARK | California | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | WIRELESS PROV | More |
| 831 | 912 | MONTEREY | California | AMERICAN MESSAGING SERVICES, LLC | | More |
| 832 | 912 | HOUSTON SATSUMA | Texas | SOUTHWESTERN BELL | RBOC | More |
| 843 | 912 | GREELEYVL | South Carolina | TIME WARNER CBLE INFO SVC (SC) DBA TIME WARNER CBL | | More |
| 845 | 912 | PLEASATVLY | New York | ONVOY, LLC- NY | | More |
| 847 | 912 | ZION | Illinois | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 850 | 912 | PENSACOLA | Florida | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 856 | 912 | MOORESTOWN | New Jersey | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NJ | WIRELESS PROV | More |
| 859 | 912 | COVINGTON | Ohio | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - KY | WIRELESS PROV | More |
| 860 | 912 | NEW LONDON | Connecticut | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT | WIRELESS PROV | More |
| 864 | 912 | GREENVILLE | South Carolina | SUNCOM DBA T-MOBILE USA | PCS | More |
| 870 | 912 | NASHVILLE | Arkansas | TELEPORT COMMUNICATIONS AMERICA, LLC - AR | | More |
| 903 | 912 | JEWETT | Texas | ONVOY, LLC - TX | | More |
| 905 | 912 | Hamilton | Ontario | Bell Mobility | WIRELESS PROV | More |
| 907 | 912 | SOLDOTNA | Alaska | CELLCO PARTNERSHIP DBA VERIZON WIRELESS | WIRELESS PROV | More |
| 908 | 912 | ELIZABETH | New Jersey | PAETEC COMMUNICATIONS, INC. - NJ | CLEC | More |
| 909 | 912 | RIVERSIDE | California | LEVEL 3 TELECOM OF CALIFORNIA, LP - CA | CLEC | More |
| 910 | 912 | FAYETTEVL | North Carolina | TELNYX LLC | | More |
| 912 | 912 | SAVANNAH | Georgia | ONVOY, LLC - GA | | More |
| 913 | 912 | KANSASCITY | Kansas | TIME WARNER CBL INFO SVC (KS) DBA TIME WARNER CBL | | More |
| 914 | 912 | WESTBURY | New York | OMNIPOINT COMMUNICATIONS, INC. - NY | WIRELESS PROV | More |
| 916 | 912 | SACRAMENTO: MAIN DA | California | LEVEL 3 COMMUNICATIONS, LLC - CA | CLEC | More |
| 917 | 912 | NEW YORK CITY ZONE | New York | NEW CINGULAR WIRELESS PCS, LLC - DC | WIRELESS PROV | More |
| 918 | 912 | TULSA | Oklahoma | VANTAGE TELECOM, LLC DBA NEWROADS TELECOM - OK | | More |
| 919 | 912 | SMITHFIELD | North Carolina | UNITED STATES CELLULAR - NC | WIRELESS PROV | More |
| 920 | 912 | NEW BERLIN | Wisconsin | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 937 | 912 | DAYTON | Ohio | LEVEL 3 COMMUNICATIONS, LLC - OH | CLEC | More |
| 941 | 912 | SARASOTA | Florida | GEOTEK COMM, INC. (MOBILE CARRIER) | CAP | More |
| 952 | 912 | MNPZ 8 | Minnesota | QWEST CORPORATION | RBOC | More |
| 959 | 912 | CANTERBURY | Connecticut | TON80 COMMUNICATIONS, LLC | | More |
| 972 | 912 | ALLEN | Texas | GRANDE COMMUNICATIONS NETWORKS, INC. - TX | CLEC | More |
| 973 | 912 | MILLBURN | New Jersey | VERIZON NEW JERSEY, INC. | RBOC | More |
| 978 | 912 | HAVERHILL | Massachusetts | OMNIPOINT MIAMI E LICENSE, LLC | PCS | More |
| 989 | 912 | CASS CITY | Michigan | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
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