Area Code | Prefix | City/Switch Name (Click for city search) | State/Prov. Area Map | Telephone Company Web link | Telco Type | More Info |
|---|
| 201 | 412 | MORRISTOWN | New Jersey | NEW CINGULAR WIRELESS PCS, LLC - DC | WIRELESS PROV | More |
| 202 | 412 | WSHNGTNZN1 | District of Columbia | NEW CINGULAR WIRELESS PCS, LLC - DC | WIRELESS PROV | More |
| 203 | 412 | NEW HAVEN | Connecticut | AMERICAN MESSAGING SERVICES, LLC | | More |
| 204 | 412 | RIVERS | Manitoba | Rogers Communications Partnership (Wireless) | WIRELESS PROV | More |
| 205 | 412 | GUIN | Alabama | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 206 | 412 | SEATTLE | Washington | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 207 | 412 | ELLSWORTH | Maine | TIME WARNER CBL INFO SVC (ME) DBA TIME WARNER CBL | | More |
| 207 | 412 | ELLSWORTH | Maine | NEW CINGULAR WIRELESS PCS, LLC - DC | WIRELESS PROV | More |
| 208 | 412 | MERIDIAN | Idaho | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 209 | 412 | MODESTO | California | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 210 | 412 | SANANTONIO | Texas | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 212 | 412 | NWYRCYZN01 | New York | VERIZON NEW YORK, INC. | RBOC | More |
| 213 | 412 | LSAN DA 01 | California | PAETEC COMMUNICATIONS, INC. - CA | CLEC | More |
| 214 | 412 | GRANDPRARI | Texas | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX | WIRELESS PROV | More |
| 215 | 412 | LANSDALE | Pennsylvania | VERIZON PENNSYLVANIA, INC. | RBOC | More |
| 216 | 412 | CLEVELAND | Ohio | ONVOY, LLC - OH | | More |
| 217 | 412 | DECATUR | Illinois | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 218 | 412 | GRANDMRAIS | Minnesota | CONSOLIDATED COMMUNICATIONS ENTERPRISE SVCS-MN | CLEC | More |
| 224 | 412 | NORTHBROOK | Illinois | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | WIRELESS PROV | More |
| 225 | 412 | BATONROUGE | Louisiana | LEVEL 3 COMMUNICATIONS, LLC - LA | | More |
| 229 | 412 | VALDOSTA | Georgia | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - GA | WIRELESS PROV | More |
| 231 | 412 | HARBOR SPG | Michigan | BANDWIDTH.COM CLEC, LLC - MI | | More |
| 234 | 412 | NO JACKSON | Ohio | CEBRIDGE TELECOM OH, LLC DBA SUDDENLINK COMM | | More |
| 239 | 412 | FORT MYERS | Florida | OMNIPOINT MIAMI E LICENSE, LLC | PCS | More |
| 240 | 412 | WALDORF | Maryland | METROPCS, INC. | | More |
| 248 | 412 | NORTHVILLE | Michigan | GLOBAL CROSSING TELEMANAGEMENT, INC. - MI | CLEC | More |
| 250 | 412 | VICTORIA | British Columbia | MTS Allstream Inc. | CLEC | More |
| 251 | 412 | MCINTOSH | Alabama | ELISKA WIRELESS VENTURES SUBSIDIARY I, LLC | PCS | More |
| 252 | 412 | GREENVILLE | North Carolina | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 254 | 412 | WACO | Texas | SOUTHWESTERN BELL | RBOC | More |
| 256 | 412 | ROGERSVL | Alabama | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 260 | 412 | FORT WAYNE | Indiana | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IN | CLEC | More |
| 262 | 412 | RACINE | Wisconsin | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 267 | 412 | PHILADELPHIA SUBURB | Pennsylvania | ONVOY, LLC - PA | | More |
| 269 | 412 | BATTLE CRK | Michigan | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 270 | 412 | OAK GROVE | Kentucky | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | RBOC | More |
| 281 | 412 | HSTNSUBURB | Texas | SOUTHWESTERN BELL | RBOC | More |
| 289 | 412 | Milton | Ontario | TELUS Integrated Communications | CLEC | More |
| 301 | 412 | WSHNGTNZN2 | Maryland | NEW CINGULAR WIRELESS PCS, LLC - DC | WIRELESS PROV | More |
| 302 | 412 | WILMINGTON | Delaware | BANDWIDTH.COM CLEC, LLC - DE | | More |
| 303 | 412 | DENVER | Colorado | QWEST CORPORATION | RBOC | More |
| 304 | 412 | HNTNGTNZN1 | West Virginia | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 305 | 412 | MIAMI | Florida | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 306 | 412 | Indian Head | Saskatchewan | Rogers Communications Partnership (Wireless) | WIRELESS PROV | More |
| 307 | 412 | GREYBULL | Wyoming | AT&T - LOCAL | CLEC | More |
| 308 | 412 | EUSTIS | Nebraska | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 309 | 412 | PEORIA | Illinois | LEVEL 3 COMMUNICATIONS, LLC - IL | CLEC | More |
| 310 | 412 | INGLEWOOD | California | PACIFIC BELL | RBOC | More |
| 312 | 412 | WHEELING | Illinois | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 313 | 412 | DETROITZN5 | Michigan | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 314 | 412 | LADUE | Missouri | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO | | More |
| 315 | 412 | SYRACUSE | New York | CHOICE ONE COMMUNICATIONS, INC. - NY | CLEC | More |
| 316 | 412 | BENTON | Kansas | SPRINT SPECTRUM L.P. | PCS | More |
| 317 | 412 | FRANKLIN | Indiana | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN | WIRELESS PROV | More |
| 318 | 412 | WINNSBORO | Louisiana | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | RBOC | More |
| 319 | 412 | CEDAR RPDS | Iowa | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 320 | 412 | LITTLE FLS | Minnesota | AERIAL COMMUNICATIONS, INC. | WIRELESS PROV | More |
| 321 | 412 | COCOA | Florida | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 323 | 412 | LOS ANGELES: DA 02 | California | BANDWIDTH.COM CLEC, LLC - CA | | More |
| 330 | 412 | CANTON | Ohio | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 334 | 412 | SELMA | Alabama | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL | WIRELESS PROV | More |
| 336 | 412 | GREENSBORO | North Carolina | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 337 | 412 | LAFAYETTE | Louisiana | COMCAST IP PHONE, LLC | | More |
| 346 | 412 | CYPRESS | Texas | CHARTER FIBERLINK TX-CCO, LLC - TX | | More |
| 347 | 412 | NWYRCYZN06 | New York | BROADVIEW NETWORKS, INC. - NY | CLEC | More |
| 352 | 412 | GAINESVL | Florida | AMERICAN MESSAGING SERVICES, LLC | | More |
| 360 | 412 | OLYMPIA | Washington | QWEST CORPORATION | RBOC | More |
| 361 | 412 | VICTORIA | Texas | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 385 | 412 | PROVO | Utah | ONVOY, LLC - UT | | More |
| 401 | 412 | COVENTRY | Rhode Island | CTC COMMUNICATIONS CORP. - RI | | More |
| 402 | 412 | SOSIOUX CY | Iowa | FIBERCOMM, LC | CLEC | More |
| 403 | 412 | Three Hills | Alberta | Bell Mobility | WIRELESS PROV | More |
| 404 | 412 | ATLANTA | Georgia | MERRYVILLE INVESTMENTS, LTD DBA BEST PAGE | WIRELESS PROV | More |
| 405 | 412 | OKLA CITY | Oklahoma | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 406 | 412 | BILLINGS | Montana | ONVOY, LLC - MT | | More |
| 407 | 412 | ORLANDO | Florida | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 408 | 412 | CAMPBELL | California | BANDWIDTH.COM CLEC, LLC - CA | | More |
| 410 | 412 | GLENBURNIE | Maryland | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD | CLEC | More |
| 413 | 412 | NORTHADAMS | Massachusetts | LEVEL 3 COMMUNICATIONS, LLC - MA | CLEC | More |
| 414 | 412 | MILWAUKZN1 | Wisconsin | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 415 | 412 | SNFC CNTRL | California | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 416 | 412 | TORONTO | Ontario | Bell Canada | IND. TELCO | More |
| 417 | 412 | BRANSON | Missouri | CSC WIRELESS, LLC | | More |
| 418 | 412 | Jonquiere | Quebec | Videotron General Partnership | CLEC | More |
| 419 | 412 | FINDLAY | Ohio | USA MOBILITY WIRELESS, INC. | WIRELESS PROV | More |
| 423 | 412 | JOHNSON CY | Tennessee | USA MOBILITY WIRELESS, INC. | WIRELESS PROV | More |
| 424 | 412 | INGLEWOOD | California | SHELCOMM | | More |
| 425 | 412 | HALLS LAKE | Washington | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - WA | CLEC | More |
| 434 | 412 | ARVONIA | Virginia | SHENTEL COMMUNICATIONS, LLC. - VA | CLEC | More |
| 435 | 412 | GLNCNYONCY | Utah | ONVOY, LLC - UT | | More |
| 440 | 412 | ELYRIA | Ohio | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 442 | 412 | BRAWLEY | California | COMMIO, LLC | | More |
| 443 | 412 | CHURCHVL | Maryland | TELEPORT COMMUNICATIONS AMERICA, LLC - MD | CAP | More |
| 450 | 412 | Mirabel-Ste-Scholas | Quebec | Videotron General Partnership | CLEC | More |
| 469 | 412 | FORNEY | Texas | ONVOY, LLC - TX | | More |
| 470 | 412 | ATLANTA NW | Georgia | ONVOY, LLC - GA | | More |
| 478 | 412 | SANDERSVL | Georgia | BANDWIDTH.COM CLEC, LLC - GA | | More |
| 479 | 412 | CENTERTON | Arkansas | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 480 | 412 | PHOENIX | Arizona | QWEST CORPORATION | RBOC | More |
| 484 | 412 | PHPHSBZN24 | Pennsylvania | US LEC OF PENNSYLVANIA, INC. | CLEC | More |
| 501 | 412 | LITTLEROCK | Arkansas | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 502 | 412 | LOUISVILLE | Kentucky | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | RBOC | More |
| 503 | 412 | PORTLAND | Oregon | QWEST CORPORATION | RBOC | More |
| 504 | 412 | NEWORLEANS | Louisiana | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | RBOC | More |
| 505 | 412 | LOS ALAMOS | New Mexico | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NM | WIRELESS PROV | More |
| 507 | 412 | FARIBAULT | Minnesota | AERIAL COMMUNICATIONS, INC. | WIRELESS PROV | More |
| 508 | 412 | WESTBORO | Massachusetts | NORFOLK COUNTY INTERNET, INC. | CLEC | More |
| 509 | 412 | SPOKANE | Washington | METROPCS, INC. | | More |
| 510 | 412 | RICHMOND | California | PACIFIC BELL | RBOC | More |
| 512 | 412 | BASTROP | Texas | TELEPORT COMMUNICATIONS AMERICA, LLC - TX | CAP | More |
| 513 | 412 | CINCINNATI | Ohio | CINCINNATI BELL | IND. TELCO | More |
| 514 | 412 | MONTREAL | Quebec | Bell Canada | IND. TELCO | More |
| 515 | 412 | WINTERSET | Iowa | MCC TELEPHONY OF IOWA, LLC - IA | | More |
| 516 | 412 | NASSAU ZONE 7 | New York | OMNIPOINT COMMUNICATIONS, INC. - NY | WIRELESS PROV | More |
| 517 | 412 | SAGINAW | Michigan | TELEPORT COMMUNICATIONS AMERICA, LLC - MI | | More |
| 518 | 412 | ELIZABTHTN | New York | TVC ALBANY, INC. DBA FIRSTLIGHT FIBER | CLEC | More |
| 519 | 412 | Tavistock | Ontario | Rogers Communications Partnership (Cable) | | More |
| 520 | 412 | LAKE HAVASU CITY | Arizona | PEERLESS NETWORK OF ARIZONA, LLC - AZ | | More |
| 530 | 412 | NTAH THCY | California | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 540 | 412 | CHANCELLOR | Virginia | LEVEL 3 COMMUNICATIONS, LLC - VA | CLEC | More |
| 541 | 412 | BROOKINGS | Oregon | ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER | IND. TELCO | More |
| 559 | 412 | FRESNO | California | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 561 | 412 | STUART | Florida | OMNIPOINT MIAMI E LICENSE, LLC | PCS | More |
| 562 | 412 | NORWALK | California | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 563 | 412 | WEST UNION | Iowa | MCC TELEPHONY OF IOWA, LLC - IA | | More |
| 567 | 412 | WEST SALEM | Ohio | LEVEL 3 COMMUNICATIONS, LLC - OH | CLEC | More |
| 570 | 412 | MILTON | Pennsylvania | D&E/OMNIPOINT WIREL JOINT VENT LP DBA PCS ONE | PCS | More |
| 571 | 412 | OCCOQUAN | Virginia | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | WIRELESS PROV | More |
| 573 | 412 | DIXON | Missouri | LEVEL 3 COMMUNICATIONS, LLC - MO | CLEC | More |
| 580 | 412 | FAIRVIEW | Oklahoma | TELEPORT COMMUNICATIONS AMERICA OK - LLC | | More |
| 585 | 412 | CANANDAGUA | New York | TC SYSTEMS, INC. - NY | CAP | More |
| 586 | 412 | MT CLEMENS | Michigan | MICHIGAN BELL TEL CO | RBOC | More |
| 587 | 412 | Edmonton | Alberta | Iristel Inc. | | More |
| 601 | 412 | BROOKHAVEN | Mississippi | TELEPAK NETWORKS, INC. - MS | | More |
| 602 | 412 | PHOENIX | Arizona | AT&T - LOCAL | CLEC | More |
| 603 | 412 | PLYMOUTH | New Hampshire | UNITED STATES CELLULAR - NH | WIRELESS PROV | More |
| 604 | 412 | VANCOUVER | British Columbia | TELUS | IND. TELCO | More |
| 605 | 412 | ABERDEEN | South Dakota | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 606 | 412 | FLEMINGSBG | Kentucky | ONVOY, LLC - KY | | More |
| 607 | 412 | LOCKWOOD | New York | ONVOY SPECTRUM, LLC | | More |
| 608 | 412 | PRARIDCHIN | Wisconsin | UNITED STATES CELLULAR - WI | WIRELESS PROV | More |
| 609 | 412 | ATLNTIC CY | New Jersey | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NJ | WIRELESS PROV | More |
| 610 | 412 | PHPHSBZN23 | Pennsylvania | NEW CINGULAR WIRELESS PCS, LLC - DC | WIRELESS PROV | More |
| 612 | 412 | TWINCITIES | Minnesota | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | CLEC | More |
| 614 | 412 | WESTERVILLE | Ohio | ONVOY, LLC - OH | | More |
| 615 | 412 | SPENCERMIL | Tennessee | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | RBOC | More |
| 616 | 412 | HOLLAND | Michigan | USA MOBILITY WIRELESS, INC. | WIRELESS PROV | More |
| 617 | 412 | BOSTON | Massachusetts | OMNIPOINT MIAMI E LICENSE, LLC | PCS | More |
| 618 | 412 | CARBONDALE | Illinois | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 619 | 412 | SNDG SNDG | California | AMERICAN MESSAGING SERVICES, LLC | | More |
| 620 | 412 | EMPORIA | Kansas | SOUTHWESTERN BELL | RBOC | More |
| 623 | 412 | PHOENIX | Arizona | QWEST CORPORATION | RBOC | More |
| 626 | 412 | LA PUENTE | California | BANDWIDTH.COM CLEC, LLC - CA | | More |
| 630 | 412 | BENSENVL | Illinois | TELEPORT COMMUNICATIONS AMERICA, LLC - IL | CAP | More |
| 631 | 412 | NEW YORK CITY | New York | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | CLEC | More |
| 636 | 412 | MISSOURI | Missouri | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO | CLEC | More |
| 646 | 412 | NWYRCYZN01 | New York | XO NEW YORK, INC. | CLEC | More |
| 650 | 412 | SAN FRANCISCO | California | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | CLEC | More |
| 651 | 412 | WABASHA | Minnesota | PEERLESS NETWORK OF MINNESOTA, LLC - MN | | More |
| 657 | 412 | HUNTITNBCH | California | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | WIRELESS PROV | More |
| 660 | 412 | BROOKFIELD | Missouri | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO | | More |
| 661 | 412 | BKFD SOUTH | California | AT&T CORP. | | More |
| 662 | 412 | PITTSBORO | Mississippi | BRUCE TEL. CO., INC. | IND. TELCO | More |
| 667 | 412 | EASTON | Maryland | NUSO, LLC | | More |
| 678 | 412 | ATLANTA | Georgia | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - GA | CLEC | More |
| 681 | 412 | GORMANIA | West Virginia | BANDWIDTH.COM CLEC, LLC - WV | | More |
| 682 | 412 | WEATHERFD | Texas | BANDWIDTH.COM CLEC, LLC - TX | | More |
| 701 | 412 | FARGO | North Dakota | AT&T - LOCAL | CLEC | More |
| 702 | 412 | LAS VEGAS | Nevada | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 703 | 412 | WASZ 8 | Virginia | VERIZON VIRGINIA, INC. | RBOC | More |
| 704 | 412 | CHARLOTTE | North Carolina | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC | WIRELESS PROV | More |
| 705 | 412 | South Porcupine | Ontario | NorthernTel Limited Partnership | | More |
| 706 | 412 | COLUMBIA | Georgia | METROPCS, INC. | | More |
| 707 | 412 | ALMADEN | California | IP HORIZON LLC | | More |
| 708 | 412 | LA GRANGE | Illinois | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 712 | 412 | DOW CITY | Iowa | ONVOY, LLC - IA | | More |
| 713 | 412 | HOUSTON | Texas | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 714 | 412 | ANAHEIM | California | METROPCS NETWORKS, LLC | | More |
| 715 | 412 | WAUPACA | Wisconsin | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 716 | 412 | ROCHESTER | New York | BANDWIDTH.COM CLEC, LLC - NY | | More |
| 717 | 412 | HARRISBURG | Pennsylvania | AT&T - LOCAL | CLEC | More |
| 718 | 412 | NEW YORK | New York | LEVEL 3 COMMUNICATIONS, LLC - NY | CLEC | More |
| 719 | 412 | COLORDOSPG | Colorado | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 720 | 412 | DENVER | Colorado | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 724 | 412 | CANONSBURG | Pennsylvania | DISH WIRELESS, LLC | | More |
| 727 | 412 | CLEARWATER | Florida | FRONTIER FLORIDA LLC DBA FRONTIER COMM OF FLORIDA | IND. TELCO | More |
| 731 | 412 | SAVANNAH | Tennessee | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN | WIRELESS PROV | More |
| 732 | 412 | JERSEY CITY | New Jersey | LEVEL 3 COMMUNICATIONS, LLC - NJ | CLEC | More |
| 734 | 412 | PONTIAC | Michigan | VONAGE AMERICA LLC | | More |
| 740 | 412 | CIRCLEVILLE | Ohio | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH | WIRELESS PROV | More |
| 757 | 412 | NFKZ 2 | Virginia | VERIZON VIRGINIA, INC. | RBOC | More |
| 760 | 412 | SAN DIEGO | California | LEVEL 3 COMMUNICATIONS, LLC - CA | CLEC | More |
| 763 | 412 | MINNEAPOLIS | Minnesota | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | CLEC | More |
| 765 | 412 | LAFAYETTE | Indiana | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN | WIRELESS PROV | More |
| 770 | 412 | GRIFFIN | Georgia | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 772 | 412 | STUART | Florida | ABC PAGING CITY BEEPERS, INC. | WIRELESS PROV | More |
| 773 | 412 | CHICAGO | Illinois | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 774 | 412 | FRAMINGHAM | Massachusetts | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | WIRELESS PROV | More |
| 775 | 412 | RENO | Nevada | TELEPORT COMMUNICATIONS AMERICA, LLC - NV | | More |
| 778 | 412 | Williams Lake | British Columbia | Shaw Telecom Inc. | | More |
| 780 | 412 | EDMONTON | Alberta | TELUS | IND. TELCO | More |
| 781 | 412 | BOSTON | Massachusetts | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | CLEC | More |
| 785 | 412 | GLEN ELDER | Kansas | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - KS | WIRELESS PROV | More |
| 786 | 412 | MIAMI | Florida | OMNIPOINT MIAMI E LICENSE, LLC | PCS | More |
| 787 | 412 | GUAYNABO | Puerto Rico | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 801 | 412 | SALT LAKE CITY | Utah | QWEST CORPORATION | RBOC | More |
| 803 | 412 | ROCK HILL | South Carolina | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 804 | 412 | RICHMOND | Virginia | US LEC OF VIRGININA, LLC | CLEC | More |
| 805 | 412 | VENTURA EAST | California | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 806 | 412 | LUBBOCK | Texas | BANDWIDTH.COM CLEC, LLC - TX | | More |
| 810 | 412 | DAVISON | Michigan | LEVEL 3 COMMUNICATIONS, LLC - MI | CLEC | More |
| 812 | 412 | FAIRBANKS | Indiana | FRONTIER NORTH, INC. - IN | IND. TELCO | More |
| 813 | 412 | TAMPA | Florida | METROPCS, INC. | | More |
| 814 | 412 | SAEGERTOWN | Pennsylvania | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA | CLEC | More |
| 815 | 412 | ELK GROVE | Illinois | LEVEL 3 COMMUNICATIONS, LLC - IL | CLEC | More |
| 816 | 412 | KANSAS CITY | Missouri | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO | CLEC | More |
| 817 | 412 | FORT WORTH EDISON | Texas | SOUTHWESTERN BELL | RBOC | More |
| 818 | 412 | VAN NUYS | California | COMMIO, LLC | | More |
| 819 | 412 | Ottawa-Hull | Quebec | Iristel Inc. | | More |
| 828 | 412 | ASHEVILLE | North Carolina | BANDWIDTH.COM CLEC, LLC - NC | | More |
| 830 | 412 | KERRVILLE | Texas | LEVEL 3 COMMUNICATIONS, LLC - TX | CLEC | More |
| 832 | 412 | HUMBLE | Texas | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 843 | 412 | CHARLESTON | South Carolina | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SC | WIRELESS PROV | More |
| 845 | 412 | OTISVILLE | New York | CABLEVISION LIGHTPATH, INC. - NY | CLEC | More |
| 847 | 412 | NORTHBROOK | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 848 | 412 | DEAL | New Jersey | ONVOY, LLC - NJ | | More |
| 850 | 412 | TALLAHASSEE | Florida | CENTURYLINK OF FLORIDA, INC. (CENTRAL) | IND. TELCO | More |
| 856 | 412 | CAMDEN | New Jersey | LEVEL 3 COMMUNICATIONS, LLC - NJ | CLEC | More |
| 857 | 412 | CAMBRIDGE | Massachusetts | ONVOY, LLC - MA | | More |
| 858 | 412 | LA JOLLA | California | TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB | | More |
| 859 | 412 | COVINGTON | Kentucky | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - KY | WIRELESS PROV | More |
| 860 | 412 | CONNECTICUT | Connecticut | TELEPORT COMMUNICATIONS AMERICA, LLC - CT | CAP | More |
| 862 | 412 | NEWARK | New Jersey | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NJ | WIRELESS PROV | More |
| 863 | 412 | WINTER HAVEN | Florida | AERIAL COMMUNICATIONS, INC. | WIRELESS PROV | More |
| 864 | 412 | GREENVILLE | South Carolina | ONVOY, LLC - SC | | More |
| 865 | 412 | GATLINBURG | Tennessee | CHARTER FIBERLINK-TENNESSEE, LLC - TN | | More |
| 870 | 412 | MARIANNA | Arkansas | LEVEL 3 COMMUNICATIONS, LLC - AR | | More |
| 901 | 412 | MEMPHIS | Tennessee | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 902 | 412 | HALIFAX | Nova Scotia | Fido Solutions Inc. | PCS | More |
| 903 | 412 | LONGVIEW | Texas | BANDWIDTH.COM CLEC, LLC - TX | | More |
| 904 | 412 | JACKSONVILLE | Florida | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 905 | 412 | Streetsville | Ontario | MTS Allstream Inc. | CLEC | More |
| 906 | 412 | WHITE PINE | Michigan | PENINSULA FIBER NETWORK, LLC - MI | | More |
| 907 | 412 | KOTZEBUE | Alaska | GCI COMMUNICATION CORP. DBA GENERAL COMMUNICATION | PCS | More |
| 908 | 412 | PLAINFIELD | New Jersey | VERIZON NEW JERSEY, INC. | RBOC | More |
| 909 | 412 | RIVERSIDE | California | USA MOBILITY WIRELESS, INC. | WIRELESS PROV | More |
| 910 | 412 | WILMINGTON | North Carolina | USA MOBILITY WIRELESS, INC. | WIRELESS PROV | More |
| 912 | 412 | SAVANNAH | Georgia | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 913 | 412 | ELWOOD | Kansas | ONVOY, LLC - KS | | More |
| 914 | 412 | NEW YORK CITY | New York | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | CAP | More |
| 915 | 412 | EL PASO | Texas | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 916 | 412 | ROSEVILLE: MAIN DA | California | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 917 | 412 | NEW YORK CITY ZONE | New York | OMNIPOINT COMMUNICATIONS, INC. - NY | WIRELESS PROV | More |
| 918 | 412 | KIEFER | Oklahoma | PEERLESS NETWORK OF OKLAHOMA, LLC - OK | | More |
| 919 | 412 | RALEIGH | North Carolina | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 920 | 412 | GREEN BAY | Wisconsin | UNITED STATES CELLULAR - WI | WIRELESS PROV | More |
| 925 | 412 | CONCORD | California | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | WIRELESS PROV | More |
| 928 | 412 | LAKE HAVASU CITY | Arizona | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 929 | 412 | NWYRCYZN04 | New York | OMNIPOINT COMMUNICATIONS, INC. - NY | WIRELESS PROV | More |
| 931 | 412 | BLANCHE | Tennessee | ONVOY, LLC - TN | | More |
| 937 | 412 | DAYTON | Ohio | LEVEL 3 COMMUNICATIONS, LLC - OH | CLEC | More |
| 939 | 412 | BAYAMONNOR | Puerto Rico | NATURAL G.C. INC. - PR | | More |
| 940 | 412 | CHILLICOTH | Texas | ONVOY, LLC - TX | | More |
| 941 | 412 | VENICE | Florida | FRONTIER FLORIDA LLC DBA FRONTIER COMM OF FLORIDA | IND. TELCO | More |
| 949 | 412 | CAPISTRANO VALLEY | California | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 951 | 412 | MURRIETA | California | TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB | | More |
| 952 | 412 | MINNEAPOLIS | Minnesota | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MN | | More |
| 954 | 412 | FORT LAUDERDALE | Florida | TELEPORT COMMUNICATIONS AMERICA, LLC - FL | CLEC | More |
| 956 | 412 | HARLINGEN | Texas | SOUTHWESTERN BELL | RBOC | More |
| 970 | 412 | FORT COLLINS | Colorado | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 971 | 412 | NEWBERG | Oregon | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR | | More |
| 972 | 412 | ROWLETT | Texas | FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS | IND. TELCO | More |
| 973 | 412 | NEWARK | New Jersey | VERIZON NEW JERSEY, INC. | RBOC | More |
| 978 | 412 | IPSWICH | Massachusetts | VERIZON NEW ENGLAND INC. | RBOC | More |
| 979 | 412 | BRYAN | Texas | METROPCS, INC. | | More |
| 980 | 412 | ALBEMARLE | North Carolina | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 985 | 412 | PATTERSON | Louisiana | COMCAST IP PHONE, LLC | | More |
| 989 | 412 | SAGINAW | Michigan | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI | WIRELESS PROV | More |
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