Area Code | Prefix | City/Switch Name (Click for city search) | State/Prov. Area Map | Telephone Company Web link | Telco Type | More Info |
|---|
| 201 | 237 | RUTHERFORD | New Jersey | AMERICAN MESSAGING SERVICES, LLC | | More |
| 202 | 237 | WSHNGTNZN1 | District of Columbia | VERIZON WASHINGTON DC, INC. | RBOC | More |
| 203 | 237 | MERIDEN | Connecticut | SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT | IND. TELCO | More |
| 204 | 237 | WINNIPEG | Manitoba | MTS Inc. | IND. TELCO | More |
| 205 | 237 | ONEONTA | Alabama | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 206 | 237 | RICHMNDBCH | Washington | ONVOY, LLC - WA | | More |
| 207 | 237 | BIGELOW | Maine | SOMERSET TEL. CO. | IND. TELCO | More |
| 208 | 237 | POCATELLO | Idaho | QWEST CORPORATION | RBOC | More |
| 209 | 237 | MODESTO | California | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA | CLEC | More |
| 210 | 237 | SANANTONIO | Texas | LEVEL 3 OF TELECOM OF TEXAS, LLC - TX | CLEC | More |
| 212 | 237 | NWYRCYZN01 | New York | VERIZON NEW YORK, INC. | RBOC | More |
| 213 | 237 | LSAN DA 01 | California | PACIFIC BELL | RBOC | More |
| 214 | 237 | DALLAS | Texas | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | CLEC | More |
| 215 | 237 | PHPHSBZN33 | Pennsylvania | METROPCS, INC. | | More |
| 216 | 237 | CLEVELAND | Ohio | TELEPORT COMMUNICATIONS AMERICA, LLC - OH | CLEC | More |
| 217 | 237 | KINCAID | Illinois | ILLINOIS CONSOLIDATED TEL. CO. | IND. TELCO | More |
| 218 | 237 | PARKRAPIDS | Minnesota | TEKSTAR COMMUNICATIONS, INC. | CLEC | More |
| 219 | 237 | HIGHLAND | Indiana | PEERLESS NETWORK OF INDIANA, LLC - IN | | More |
| 220 | 237 | WELLSTON | Ohio | ONVOY, LLC - OH | | More |
| 223 | 237 | HARISBGZN1 | Pennsylvania | NUSO, LLC | | More |
| 224 | 237 | WAUKEGAN | Illinois | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 225 | 237 | BATONROUGE | Louisiana | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | RBOC | More |
| 226 | 237 | London | Ontario | TELUS Mobility | PCS | More |
| 227 | 237 | MYERSVILLE | Maryland | NEW CINGULAR WIRELESS PCS, LLC - DC | WIRELESS PROV | More |
| 228 | 237 | VANCLEAVE | Mississippi | TELEPAK NETWORKS, INC. - MS | | More |
| 229 | 237 | NASHVILLE | Georgia | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - GA | WIRELESS PROV | More |
| 231 | 237 | CHARLEVOIX | Michigan | MICHIGAN BELL TEL CO | RBOC | More |
| 234 | 237 | AKRON | Ohio | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 236 | 237 | Victoria | British Columbia | Iristel Inc. | | More |
| 239 | 237 | FORT MYERS | Florida | TELNYX LLC | | More |
| 240 | 237 | LXTNPKGRML | District of Columbia | TELEPORT COMMUNICATIONS AMERICA, LLC - DC | CLEC | More |
| 248 | 237 | AUBURN HTS | Michigan | LEVEL 3 COMMUNICATIONS, LLC - MI | CLEC | More |
| 250 | 237 | BOBQUINLK | British Columbia | Northwestel | IND. TELCO | More |
| 251 | 237 | FLOMATON | Alabama | DELTACOM, INC. - AL | CLEC | More |
| 252 | 237 | WILSON | North Carolina | CAROLINA TEL AND TEL CO., LLC DBA CENTURYLINK | IND. TELCO | More |
| 253 | 237 | DES MOINES | Washington | ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM | CLEC | More |
| 254 | 237 | MEXIA | Texas | SOUTHWESTERN BELL | RBOC | More |
| 256 | 237 | ANNISTON | Alabama | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | RBOC | More |
| 260 | 237 | LIGONIER | Indiana | OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC | | More |
| 262 | 237 | KENOSHA | Wisconsin | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 267 | 237 | PHLDLPHZN1 | Pennsylvania | OMNIPOINT COMMUNICATIONS ENTERPRISES, LP | WIRELESS PROV | More |
| 269 | 237 | THREE OAKS | Michigan | ONVOY, LLCV - MI | | More |
| 270 | 237 | SCOTTSVL | Kentucky | WINDSTREAM KENTUCKY EAST, INC. - LEXINGTON | | More |
| 272 | 237 | BLOOMSBURG | Pennsylvania | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | CLEC | More |
| 276 | 237 | GALAX | Virginia | UNITED STATES CELLULAR - VA | WIRELESS PROV | More |
| 279 | 237 | SCRM MAIN | California | ONVOY, LLC - CA | | More |
| 281 | 237 | KATY | Texas | CONSOLIDATED COMMUNICATIONS OF TEXAS COMPANY | IND. TELCO | More |
| 289 | 237 | HAMILTON | Ontario | Rogers Communications Partnership (Wireless) | WIRELESS PROV | More |
| 301 | 237 | WSHNGTNZN3 | Maryland | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | WIRELESS PROV | More |
| 302 | 237 | DOVER | Delaware | COMMIO, LLC | | More |
| 303 | 237 | DENVER | Colorado | QWEST CORPORATION | RBOC | More |
| 304 | 237 | BECKLEY | West Virginia | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 305 | 237 | MIAMI | Florida | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 306 | 237 | PERDUE | Saskatchewan | SaskTel | IND. TELCO | More |
| 307 | 237 | CASPER | Wyoming | QWEST CORPORATION | RBOC | More |
| 308 | 237 | KEARNEY | Nebraska | CITIZENS TELECOM OF NE LLC DBA FRONTIER COM OF NE | | More |
| 309 | 237 | BUSHNELL | Illinois | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 310 | 237 | CULVERCITY | California | TELEPORT COMMUNICATIONS AMERICA, LLC - CA | CLEC | More |
| 312 | 237 | CHICGOZN01 | Illinois | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | WIRELESS PROV | More |
| 313 | 237 | DETROITZN1 | Michigan | MICHIGAN BELL TEL CO | RBOC | More |
| 314 | 237 | LADUE | Missouri | ONVOY, LLC - MO | | More |
| 315 | 237 | AUBURN | New York | TC SYSTEMS, INC. - NY | CAP | More |
| 316 | 237 | TOWANDA | Kansas | ONVOY, LLC - KS | | More |
| 317 | 237 | INDIANAPLS | Indiana | INDIANA BELL TEL CO INC | RBOC | More |
| 318 | 237 | MONROE | Louisiana | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 319 | 237 | BURLINGTON | Iowa | LOCAL TELEPHONE DATA SERVICES CORP. | | More |
| 320 | 237 | ST CLOUD | Minnesota | AT&T - LOCAL | CLEC | More |
| 321 | 237 | MELBOURNE | Florida | BANDWIDTH.COM CLEC, LLC - FL | | More |
| 323 | 237 | LSAN DA 03 | California | METROPCS NETWORKS, LLC | | More |
| 325 | 237 | BROWNWOOD | Texas | VALOR TELECOMM TX, LP-TX #1 DBA WINDSTREAM COMM SW | | More |
| 330 | 237 | AKRON | Ohio | ONVOY, LLC - OH | | More |
| 331 | 237 | NAPERVILLE | Illinois | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL | CLEC | More |
| 332 | 237 | NWYRCYZN01 | New York | IP HORIZON LLC | | More |
| 334 | 237 | OZARK | Alabama | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 336 | 237 | LEXINGTON | North Carolina | WINDSTREAM LEXCOM COMMUNICATIONS, LLC | IND. TELCO | More |
| 337 | 237 | LAFAYETTE | Louisiana | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | RBOC | More |
| 339 | 237 | CANTON | Massachusetts | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | WIRELESS PROV | More |
| 341 | 237 | OKLD BKLY | California | ONVOY, LLC - CA | | More |
| 346 | 237 | HOUSTON | Texas | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX | WIRELESS PROV | More |
| 347 | 237 | NWYRCYZN04 | New York | NEW CINGULAR WIRELESS PCS, LLC - DC | WIRELESS PROV | More |
| 351 | 237 | TEMPLETON | Massachusetts | OMNIPOINT MIAMI E LICENSE, LLC | PCS | More |
| 352 | 237 | OCALA | Florida | CENTURYLINK OF FLORIDA, INC. (UNITED) | IND. TELCO | More |
| 360 | 237 | CENTRALIA | Washington | TELEPORT COMMUNICATIONS AMERICA, LLC - WA | CAP | More |
| 361 | 237 | VICTORIA | Texas | LEVEL 3 COMMUNICATIONS, LLC - TX | CLEC | More |
| 380 | 237 | REYNOLDSBG | Ohio | TON80 COMMUNICATIONS, LLC | | More |
| 385 | 237 | MIDVALE | Utah | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 386 | 237 | PALM COAST | Florida | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 401 | 237 | WARREN | Rhode Island | TELEPORT COMMUNICATIONS AMERICA, LLC - CA | CAP | More |
| 402 | 237 | NEWMAN GRV | Nebraska | HUNTEL CABLEVISION, INC. DBA HUNTEL COMMS - NE | | More |
| 403 | 237 | CALGARY | Alberta | TELUS | IND. TELCO | More |
| 404 | 237 | ATLANTA | Georgia | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 405 | 237 | MOORE | Oklahoma | SOUTHWESTERN BELL | RBOC | More |
| 406 | 237 | BILLINGS | Montana | QWEST CORPORATION | RBOC | More |
| 407 | 237 | ORLANDO | Florida | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 408 | 237 | SNJS WEST | California | USA MOBILITY WIRELESS, INC. | WIRELESS PROV | More |
| 409 | 237 | EVADALE | Texas | TELEPORT COMMUNICATIONS AMERICA, LLC - TX | CAP | More |
| 410 | 237 | BALTIMORE | Maryland | VERIZON MARYLAND, INC. | RBOC | More |
| 412 | 237 | PTTSBGZON1 | Pennsylvania | VERIZON PENNSYLVANIA, INC. | RBOC | More |
| 413 | 237 | SPRINGFLD | Massachusetts | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | WIRELESS PROV | More |
| 414 | 237 | MILWAUKZN1 | Wisconsin | USA MOBILITY WIRELESS, INC. | WIRELESS PROV | More |
| 415 | 237 | INVERNESS | California | LEVEL 3 COMMUNICATIONS, LLC - CA | CLEC | More |
| 416 | 237 | TORONTO | Ontario | Bell Canada | IND. TELCO | More |
| 417 | 237 | CARTHAGE | Missouri | SOUTHWESTERN BELL | RBOC | More |
| 418 | 237 | BAIE ST CATHERINE | Quebec | Bell Canada | IND. TELCO | More |
| 419 | 237 | FAYETTE | Ohio | FRONTIER NORTH, INC. - OH | IND. TELCO | More |
| 423 | 237 | NEWPORT | Tennessee | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 424 | 237 | EL SEGUNDO | California | METROPCS NETWORKS, LLC | | More |
| 425 | 237 | RENTON | Washington | TELEPORT COMMUNICATIONS AMERICA, LLC - WA | CAP | More |
| 430 | 237 | BECKVILLE | Texas | VALOR TELECOMM TX, LP-TX #1 DBA WINDSTREAM COMM SW | | More |
| 432 | 237 | MENTONE | Texas | BANDWIDTH.COM CLEC, LLC - TX | | More |
| 434 | 237 | LYNCHBURG | Virginia | VERIZON VIRGINIA, INC. | RBOC | More |
| 435 | 237 | BRIGHAM CY | Utah | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 440 | 237 | NOROYALTON | Ohio | OHIO BELL TEL CO | RBOC | More |
| 442 | 237 | ESCONDIDO | California | METROPCS, INC. | | More |
| 443 | 237 | NORTHBEACH | Maryland | CORE COMMUNICATIONS, INC.- MD | CLEC | More |
| 445 | 237 | PHLDLPHZN2 | Pennsylvania | CORE COMMUNICATIONS, INC. - PA | | More |
| 447 | 237 | PENFIELD | Illinois | ONVOY, LLC | | More |
| 450 | 237 | Howick | Quebec | Videotron General Partnership | CLEC | More |
| 458 | 237 | ODELL | Oregon | RADIANTIQ LLC | | More |
| 463 | 237 | INDIANAPLS | Indiana | NUSO, LLC | | More |
| 464 | 237 | HARVEY | Illinois | EON TELECOM, INC. | | More |
| 469 | 237 | FRISCO | Texas | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 470 | 237 | ATLANTA | Georgia | US LEC OF GEORGIA, INC. | CLEC | More |
| 472 | 237 | CAROLINBCH | North Carolina | COMMIO, LLC | | More |
| 475 | 237 | DANBURY | Connecticut | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT | WIRELESS PROV | More |
| 478 | 237 | SWAINSBORO | Georgia | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 479 | 237 | RUSSELLVL | Arkansas | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 480 | 237 | PHOENIX | Arizona | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | CLEC | More |
| 484 | 237 | DOWNINGTN | Pennsylvania | LEVEL 3 COMMUNICATIONS, LLC - PA | CLEC | More |
| 501 | 237 | LITTLEROCK | Arkansas | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 502 | 237 | FRANKFORT | Kentucky | ONVOY, LLC - KY | | More |
| 503 | 237 | PORTLAND | Oregon | USA MOBILITY WIRELESS, INC. | WIRELESS PROV | More |
| 504 | 237 | KENNER | Louisiana | VOICESTREAM GSM I, LLC | | More |
| 505 | 237 | ALBUQURQUE | New Mexico | QWEST CORPORATION | RBOC | More |
| 506 | 237 | JACQUET RIVER | New Brunswick | Aliant Telecom(NB) | IND. TELCO | More |
| 507 | 237 | GAYLORD | Minnesota | QWEST CORPORATION | RBOC | More |
| 508 | 237 | ORLEANS | Massachusetts | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | WIRELESS PROV | More |
| 509 | 237 | EPHRATA | Washington | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 510 | 237 | RICHMOND | California | PACIFIC BELL | RBOC | More |
| 512 | 237 | SMITHVILLE | Texas | SOUTHWESTERN BELL | RBOC | More |
| 513 | 237 | CINCINNATI | Ohio | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 514 | 237 | MONTREAL | Quebec | Bell Mobility | WIRELESS PROV | More |
| 515 | 237 | DES MOINES | Iowa | QWEST CORPORATION | RBOC | More |
| 516 | 237 | NASSAUZN05 | New York | VERIZON NEW YORK, INC. | RBOC | More |
| 517 | 237 | LANSING | Michigan | TALK AMERICA INC. - MI | | More |
| 518 | 237 | TROY | New York | VERIZON NEW YORK, INC. | RBOC | More |
| 519 | 237 | DASHWOOD | Ontario | Hay Communications Co-operative ltd. | CAP | More |
| 520 | 237 | TUCSON | Arizona | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ | WIRELESS PROV | More |
| 530 | 237 | MARYSVILLE | California | BANDWIDTH.COM CLEC, LLC - CA | | More |
| 531 | 237 | PENDER | Nebraska | ONVOY, LLC - NE | | More |
| 539 | 237 | STIGLER | Oklahoma | UNITED STATES CELLULAR - OK | WIRELESS PROV | More |
| 540 | 237 | BRIDGEWTR | Virginia | AT&T - LOCAL | CLEC | More |
| 541 | 237 | GRANTSPASS | Oregon | BANDWIDTH.COM CLEC, LLC - OR | | More |
| 551 | 237 | HACKENSACK | New Jersey | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NJ | WIRELESS PROV | More |
| 559 | 237 | FRESNO | California | PACIFIC BELL | RBOC | More |
| 561 | 237 | BOCA RATON | Florida | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - FL | CLEC | More |
| 562 | 237 | LA HABRA | California | PACIFIC BELL (COMPETITIVE) | CLEC | More |
| 563 | 237 | FREDECKSBG | Iowa | WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS | | More |
| 564 | 237 | VANCOUVER | Washington | LEVEL 3 COMMUNICATIONS, LLC - WA | CLEC | More |
| 567 | 237 | BETTSVILLE | Ohio | LEVEL 3 COMMUNICATIONS, LLC - OH | CLEC | More |
| 570 | 237 | PITTSTON | Pennsylvania | OMNIPOINT COMMUNICATIONS ENTERPRISES, LP | WIRELESS PROV | More |
| 571 | 237 | WSNGTNZN08 | Virginia | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | WIRELESS PROV | More |
| 573 | 237 | NEW HAVEN | Missouri | FIDELITY TELEPHONE, LLC | IND. TELCO | More |
| 574 | 237 | SOUTH BEND | Indiana | INDIANA BELL TEL CO INC | RBOC | More |
| 575 | 237 | ALBUQUERQUE | New Mexico | ONVOY, LLC - NM | | More |
| 579 | 237 | Ste-Rose | Quebec | TELUS Quebec | | More |
| 580 | 237 | ENID | Oklahoma | SOUTHWESTERN BELL | RBOC | More |
| 581 | 237 | Baie-St-Paul | Quebec | Telecommunications Xittel Inc | | More |
| 582 | 237 | SOUTH FORK | Pennsylvania | COMCAST IP PHONE, LLC | | More |
| 585 | 237 | PERRY | New York | FRONTIER TELEPHONE OF ROCHESTER, INC. | IND. TELCO | More |
| 586 | 237 | WARREN | Michigan | OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC | | More |
| 587 | 237 | Beaumont | Alberta | TELUS | IND. TELCO | More |
| 601 | 237 | QUITMAN | Mississippi | TELEPAK NETWORKS, INC. - MS | | More |
| 602 | 237 | PHOENIX | Arizona | QWEST CORPORATION | RBOC | More |
| 603 | 237 | COLEBROOK | New Hampshire | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH | RBOC | More |
| 604 | 237 | New Westminster | British Columbia | GT Group Telecom Services Corp. | CLEC | More |
| 605 | 237 | WATERTOWN | South Dakota | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | WIRELESS PROV | More |
| 606 | 237 | SOWILLIMSN | Kentucky | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | RBOC | More |
| 607 | 237 | BINGHAMTON | New York | TIME WARNER CABLE INFO SVCE (NEW YORK) LLC-NY | | More |
| 608 | 237 | MADISON | Wisconsin | TELEPORT COMMUNICATIONS AMERICA, LLC WI | CAP | More |
| 609 | 237 | | New Jersey | ONVOY, LLC - NJ | | More |
| 610 | 237 | PHPHSBZN14 | Pennsylvania | VERIZON PENNSYLVANIA, INC. | RBOC | More |
| 612 | 237 | TWINCITIES | Minnesota | AERIAL COMMUNICATIONS, INC. | WIRELESS PROV | More |
| 613 | 237 | OTTAWA | Ontario | Bell Canada | IND. TELCO | More |
| 614 | 237 | COLUMBUS | Ohio | OHIO BELL TEL CO | RBOC | More |
| 615 | 237 | WATERTOWN | Tennessee | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | RBOC | More |
| 616 | 237 | ZEELAND | Michigan | TELNET WORLDWIDE, INC. | CLEC | More |
| 617 | 237 | QUINCY | Massachusetts | RCN TELECOM SERVICES, INC. - MA | CLEC | More |
| 618 | 237 | CENTRALIA | Illinois | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 619 | 237 | SNDG SNDG | California | PACIFIC BELL | RBOC | More |
| 620 | 237 | MORAN | Kansas | UNITED TEL. CO. OF KANSAS DBA CENTURYLINK | IND. TELCO | More |
| 623 | 237 | PHOENIX | Arizona | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ | WIRELESS PROV | More |
| 626 | 237 | ALHAMBRA | California | PACIFIC BELL | RBOC | More |
| 628 | 237 | SAUSALITO | California | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 629 | 237 | NASHVILLE | Tennessee | TELEPORT COMMUNICATIONS AMERICA, LLC - TN | | More |
| 630 | 237 | ROSELLE | Illinois | TELEPORT COMMUNICATIONS AMERICA, LLC - IL | CAP | More |
| 631 | 237 | BRIDGEHAMPTON | New York | CABLEVISION LIGHTPATH, INC. - NY | CLEC | More |
| 636 | 237 | CHESTERFIELD | Missouri | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO | CLEC | More |
| 641 | 237 | NEW HAVEN | Iowa | FARMERS TEL. CO. | IND. TELCO | More |
| 646 | 237 | NEW YORK CITY ZONE | New York | BROADVIEW NETWORKS, INC. - NY | CLEC | More |
| 647 | 237 | Toronto | Ontario | Bell Mobility | WIRELESS PROV | More |
| 650 | 237 | MOUNTAIN VIEW | California | PACIFIC BELL | RBOC | More |
| 651 | 237 | NORTH BRANCH | Minnesota | QWEST CORPORATION | RBOC | More |
| 656 | 237 | TAMPASTH | Florida | ONVOY, LLC - FL | | More |
| 657 | 237 | HUNTITNBCH | California | LEVEL 3 COMMUNICATIONS, LLC - CA | CLEC | More |
| 659 | 237 | CARROLLTON | Alabama | ONVOY, LLC - AL | | More |
| 660 | 237 | MAYVIEW | Missouri | CITIZENS TEL. CO. | IND. TELCO | More |
| 661 | 237 | BKFD BK01 | California | BANDWIDTH.COM CLEC, LLC - CA | | More |
| 662 | 237 | CARROLLTON | Mississippi | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | RBOC | More |
| 667 | 237 | WEST RIVER | Maryland | CORE COMMUNICATIONS, INC.- MD | CLEC | More |
| 669 | 237 | CAMPBELL | California | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 678 | 237 | ATLANTA NORTHWEST | Georgia | US LEC OF GEORGIA, INC. | CLEC | More |
| 680 | 237 | ADAMS | New York | LTE WIRELESS INC D/B/A LTE WIRELESS - NY | | More |
| 681 | 237 | PTPLEASANT | West Virginia | TELEPORT COMMUNICATIONS AMERICA, LLC - WV | | More |
| 682 | 237 | ROANOKE | Texas | SOUTHWESTERN BELL | RBOC | More |
| 689 | 237 | KISSIMMEE | Florida | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - FL | WIRELESS PROV | More |
| 701 | 237 | FARGO | North Dakota | QWEST CORPORATION | RBOC | More |
| 702 | 237 | LAS VEGAS | Nevada | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 703 | 237 | WASZ 17 | Virginia | VERIZON VIRGINIA, INC. | RBOC | More |
| 704 | 237 | CHARLOTTE | North Carolina | LEVEL 3 TELECOM OF NORTH CAROLINA, LP - NC | CLEC | More |
| 705 | 237 | TEMAGAMI | Ontario | O.N. Tel Inc. | CAP | More |
| 706 | 237 | ROME | Georgia | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 707 | 237 | SAN FRANCISCO | California | LEVEL 3 COMMUNICATIONS, LLC - CA | CLEC | More |
| 708 | 237 | HICKORY HILLS | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 709 | 237 | St. John's | Newfoundland | Rogers Communications Partnership (Cable) | | More |
| 712 | 237 | SERGEANT BLUFF | Iowa | NORTHWEST IOWA TELEPHONE, LLC | IND. TELCO | More |
| 713 | 237 | HOUSTON CAPITOL | Texas | SOUTHWESTERN BELL | RBOC | More |
| 714 | 237 | ANAHEIM | California | PACIFIC BELL | RBOC | More |
| 715 | 237 | NEW AUBURN | Wisconsin | CITIZENS TEL. COOP., INC. | IND. TELCO | More |
| 716 | 237 | PERRY | New York | NEW CINGULAR WIRELESS PCS, LLC - DC | WIRELESS PROV | More |
| 717 | 237 | HARRISBURG | Pennsylvania | VERIZON PENNSYLVANIA, INC. | RBOC | More |
| 718 | 237 | NYCZ 6 | New York | VERIZON NEW YORK, INC. | RBOC | More |
| 719 | 237 | COLORDOSPG | Colorado | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 720 | 237 | LONGMONT | Colorado | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 724 | 237 | GREENSBURG | Pennsylvania | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA | WIRELESS PROV | More |
| 725 | 237 | MTCHARLETN | Nevada | BANDWIDTH.COM CLEC, LLC - NV | | More |
| 726 | 237 | SANANTONIO | Texas | COMCAST IP PHONE, LLC | | More |
| 727 | 237 | TAMPA | Florida | METROPCS, INC. | | More |
| 730 | 237 | PINCKNEYVL | Illinois | CHARTER FIBERLINK - ILLINOIS, LLC - IL | | More |
| 731 | 237 | GREENFIELD | Tennessee | ONVOY, LLC - TN | | More |
| 732 | 237 | TOMS RIVER | New Jersey | VERIZON NEW JERSEY, INC. | RBOC | More |
| 734 | 237 | LIVONIA | Michigan | PHONE MICHIGAN - MI | CLEC | More |
| 737 | 237 | AUSTIN | Texas | ONVOY, LLC - TX | | More |
| 740 | 237 | IRONTON | Ohio | METROPCS, INC. | | More |
| 743 | 237 | QUAKER GAP | North Carolina | ONVOY SPECTRUM, LLC | | More |
| 747 | 237 | NORTHRIDGE | California | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 754 | 237 | HOLLYWOOD | Florida | VOIP INNOVATIONS, LLC | | More |
| 757 | 237 | NORFOLK ZONE 2 | Virginia | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | WIRELESS PROV | More |
| 760 | 237 | SAN DIEGO | California | COMCAST IP PHONE, LLC | | More |
| 762 | 237 | WARRENTON | Georgia | TELEPORT COMMUNICATIONS AMERICA, LLC - GA | CLEC | More |
| 763 | 237 | CAMBRIDGE | Minnesota | CONSOLIDATED COMMUNICATIONS ENTERPRISE SVCS-MN | CLEC | More |
| 765 | 237 | INDIANAPOLIS | Indiana | LEVEL 3 TELECOM OF INDIANA, LP - IN | CLEC | More |
| 769 | 237 | JACKSON | Mississippi | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 770 | 237 | LAWRENCEVILLE | Georgia | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 771 | 237 | WSHNGTNZN1 | District of Columbia | TELEPORT COMMUNICATIONS AMERICA, LLC - DC | CLEC | More |
| 772 | 237 | PTST LUCIE | Florida | COMCAST IP PHONE, LLC | | More |
| 773 | 237 | CHCZ 5 | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 774 | 237 | HARWICH | Massachusetts | CTC COMMUNICATIONS CORP. - MA | | More |
| 775 | 237 | EUREKA | Nevada | NEVADA BELL | RBOC | More |
| 778 | 237 | New Westminster | British Columbia | Rogers Communications Partnership (Wireless) | WIRELESS PROV | More |
| 779 | 237 | STREATOR | Illinois | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | WIRELESS PROV | More |
| 780 | 237 | Edmonton | Alberta | Bell Mobility | WIRELESS PROV | More |
| 781 | 237 | WELLESLEY | Massachusetts | VERIZON NEW ENGLAND INC. | RBOC | More |
| 785 | 237 | BYRON | Nebraska | GREAT PLAINS COMMUNICATIONS, INC. | IND. TELCO | More |
| 786 | 237 | MIAMI | Florida | WINDSTREAM NUVOX, INC. - FL | CLEC | More |
| 787 | 237 | GUAYNABO | Puerto Rico | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 801 | 237 | SALT LAKE CITY | Utah | QWEST CORPORATION | RBOC | More |
| 803 | 237 | COLUMBIA | South Carolina | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 804 | 237 | LYNCHBURG | Virginia | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - VA | CLEC | More |
| 805 | 237 | PASO ROBLES | California | PACIFIC BELL | RBOC | More |
| 806 | 237 | JAYTON | Texas | CAP ROCK TELEPHONE COOPERATIVE | IND. TELCO | More |
| 808 | 237 | KAAAWA | Hawaii | HAWAIIAN TELCOM, INC. - HI | IND. TELCO | More |
| 810 | 237 | FLINT | Michigan | MICHIGAN BELL TEL CO | RBOC | More |
| 812 | 237 | TERRE HAUTE | Indiana | FRONTIER NORTH, INC.. - IN | IND. TELCO | More |
| 813 | 237 | TAMPA | Florida | FRONTIER FLORIDA LLC DBA FRONTIER COMM OF FLORIDA | IND. TELCO | More |
| 814 | 237 | STATE COLLEGE | Pennsylvania | VERIZON PENNSYLVANIA, INC. | RBOC | More |
| 815 | 237 | GARDNER | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 816 | 237 | KANSAS CITY HIGHLAN | Missouri | SOUTHWESTERN BELL | RBOC | More |
| 817 | 237 | FORT WORTH LAKE WOR | Texas | SOUTHWESTERN BELL | RBOC | More |
| 818 | 237 | LOS ANGELES | California | LEVEL 3 COMMUNICATIONS, LLC - CA | CLEC | More |
| 819 | 237 | Lac-Megantic | Quebec | Bell Mobility | WIRELESS PROV | More |
| 826 | 237 | MT JACKSON | Virginia | SHENTEL COMMUNICATIONS, LLC. - VA | CLEC | More |
| 828 | 237 | GARDEN CITY | North Carolina | LEVEL 3 COMMUNICATIONS, LLC - NC | | More |
| 830 | 237 | NEWBRANFLS | Texas | METROPCS, INC. | | More |
| 831 | 237 | SALINAS | California | IP HORIZON LLC | | More |
| 832 | 237 | HOUSTON SATSUMA | Texas | SOUTHWESTERN BELL | RBOC | More |
| 835 | 237 | PHPHSBZN23 | Pennsylvania | NEW CINGULAR WIRELESS PCS, LLC - DC | WIRELESS PROV | More |
| 838 | 237 | TICONDROGA | New York | PEERING HUB, INC. - NY | | More |
| 839 | 237 | ORANGEBURG | South Carolina | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 840 | 237 | ONTARIO | California | ONVOY, LLC - CA | | More |
| 843 | 237 | PAWLEYS ISLAND | South Carolina | FRONTIER COMMUNICATIONS OF THE CAROLINAS INC. - SC | IND. TELCO | More |
| 845 | 237 | WAPIGRSFLS | New York | WARWICK VALLEY TELEPHONE COMPANY | CLEC | More |
| 847 | 237 | NORTHBROOK | Illinois | USA MOBILITY WIRELESS, INC. | WIRELESS PROV | More |
| 848 | 237 | NEWBRNSWCK | New Jersey | OMNIPOINT COMMUNICATIONS, INC. - NJ | WIRELESS PROV | More |
| 850 | 237 | BLOUNTSTOWN | Florida | CONSOLIDATED COMMUNICATIONS OF FLORIDA COMPANY | IND. TELCO | More |
| 854 | 237 | MYRTLE BCH | South Carolina | NUSO, LLC | | More |
| 856 | 237 | CAMDEN | New Jersey | TELEPORT COMMUNICATIONS AMERICA, LLC - NJ | CLEC | More |
| 857 | 237 | BOSTON | Massachusetts | METROPCS, INC. | | More |
| 858 | 237 | SAN DIEGO: MIRA MES | California | NORTH COUNTY COMMUNICATION CORPORATION - CA | CLEC | More |
| 859 | 237 | BEREA | Kentucky | WINDSTREAM KENTUCKY EAST, INC. - LEXINGTON | | More |
| 860 | 237 | STAMFORD | Connecticut | LEVEL 3 COMMUNICATIONS, LLC - CT | CLEC | More |
| 862 | 237 | NEWARK | New Jersey | CABLEVISION LIGHTPATH, INC. - NJ | CLEC | More |
| 863 | 237 | LAKELAND | Florida | METROPCS, INC. | | More |
| 864 | 237 | SPARTANBURG | South Carolina | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SC | WIRELESS PROV | More |
| 865 | 237 | KNOXVILLE | Tennessee | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 870 | 237 | LAKE CITY | Arkansas | CENTURYTEL NW AR DBA CENTURYLINK - SILOAM SPRINGS | | More |
| 872 | 237 | CHICGOZN03 | Illinois | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 878 | 237 | BEAVER FLS | Pennsylvania | STRATUS NETWORKS | | More |
| 901 | 237 | MEMPHIS | Tennessee | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN | WIRELESS PROV | More |
| 902 | 237 | Halifax | Nova Scotia | Aliant Telecom (Mobility) | | More |
| 903 | 237 | LONGVIEW PLAZA | Texas | SOUTHWESTERN BELL | RBOC | More |
| 904 | 237 | JACKSONVILLE | Florida | POWERTEL JACKSONVILLE LICENSES, INC. | WIRELESS PROV | More |
| 905 | 237 | Richmond Hill | Ontario | Rogers Communications Partnership (Cable) | | More |
| 906 | 237 | CRYSTALFLS | Michigan | TELNET WORLDWIDE, INC. | CLEC | More |
| 907 | 237 | NEWTOK | Alaska | UNITED UTILITIES, INC. | IND. TELCO | More |
| 908 | 237 | FLEMINGTON | New Jersey | UNITED TEL. CO. OF NEW JERSEY DBA CENTURYLINK | IND. TELCO | More |
| 909 | 237 | RIVERSIDE | California | GLOBAL CROSSING LOCAL SERVICES, INC. - CA | CLEC | More |
| 910 | 237 | FAYETTEVILLE | North Carolina | SUNCOM DBA T-MOBILE USA | PCS | More |
| 912 | 237 | SWAINSBORO | Georgia | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - GA | WIRELESS PROV | More |
| 913 | 237 | KANSASCITY | Kansas | METROPCS, INC. | | More |
| 914 | 237 | WCHZ 2 | New York | VERIZON NEW YORK, INC. | RBOC | More |
| 915 | 237 | BROWNWOOD | Texas | LEVEL 3 COMMUNICATIONS, LLC - TX | CLEC | More |
| 916 | 237 | SACRAMENTO | California | MATRIX TELECOM, LLC. S/I/I TNCI - CA | CLEC | More |
| 917 | 237 | NYCZ 1 | New York | VERIZON NEW YORK, INC. | RBOC | More |
| 918 | 237 | TULSA | Oklahoma | SOUTHWESTERN BELL | RBOC | More |
| 919 | 237 | DURHAM | North Carolina | WINDSTREAM COMMUNICATIONS, INC. - NC | CLEC | More |
| 920 | 237 | OSHKOSH | Wisconsin | WISCONSIN BELL INC | RBOC | More |
| 925 | 237 | FREMONT | California | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | CLEC | More |
| 928 | 237 | PRESCOTT | Arizona | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 929 | 237 | NWYRCYZN05 | New York | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY | WIRELESS PROV | More |
| 930 | 237 | CORYDON | Indiana | POWERTEL KENTUCKY LICENSES, INC. | | More |
| 931 | 237 | CLARKSVILLE | Tennessee | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN | WIRELESS PROV | More |
| 934 | 237 | HUNTINGTON | New York | TC SYSTEMS, INC. - NY | CAP | More |
| 936 | 237 | HUNTINGTON | Texas | VALOR TELECOMM TX, LD-TX #2 DBA WINDSTREAM COMM SW | | More |
| 937 | 237 | DAYTON | Ohio | OHIO BELL TEL CO | RBOC | More |
| 938 | 237 | ROCKFORD | Alabama | COMMIO, LLC | | More |
| 939 | 237 | BAYAMONNOR | Puerto Rico | SUNCOM DBA T-MOBILE USA | PCS | More |
| 940 | 237 | WICHITA FALLS | Texas | CHOICE WIRELESS, LC | | More |
| 941 | 237 | VENICE | Florida | LEVEL 3 TELECOM OF FLORIDA, LP - FL | CLEC | More |
| 943 | 237 | CONCORD | Georgia | POWERTEL ATLANTA LICENSES, INC. | WIRELESS PROV | More |
| 945 | 237 | MCKINNEY | Texas | DISH WIRELESS, LLC | | More |
| 947 | 237 | BIRMINGHAM | Michigan | LEVEL 3 COMMUNICATIONS, LLC - MI | CLEC | More |
| 949 | 237 | IRVINE | California | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | WIRELESS PROV | More |
| 951 | 237 | RIVERSIDE | California | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 952 | 237 | TWINCITIES | Minnesota | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MN | | More |
| 954 | 237 | MIAMI | Florida | WINDSTREAM NUVOX, INC. | CLEC | More |
| 956 | 237 | LAREDO | Texas | METROPCS, INC. | | More |
| 959 | 237 | GLASTONBY | Connecticut | OMNIPOINT COMMUNICATIONS, INC. - CT | WIRELESS PROV | More |
| 970 | 237 | DENVER | Colorado | QWEST CORPORATION | RBOC | More |
| 971 | 237 | MCMINNVILLE | Oregon | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 972 | 237 | DALLAS GRAND PRAIRI | Texas | SOUTHWESTERN BELL | RBOC | More |
| 973 | 237 | LITTLE FALLS | New Jersey | VERIZON NEW JERSEY, INC. | RBOC | More |
| 978 | 237 | LAWRENCE | Massachusetts | LEVEL 3 COMMUNICATIONS, LLC - MA | CLEC | More |
| 979 | 237 | FREEPORT | Texas | SOUTHWESTERN BELL | RBOC | More |
| 980 | 237 | CHARLOTTE | North Carolina | TIME WARNER CBL INFO SVC (NC) DBA TIME WARNER CBL | | More |
| 984 | 237 | WAKEFOREST | North Carolina | CENTURYLINK COMMUNICATIONS, LLC | | More |
| 985 | 237 | MANDEVILLE | Louisiana | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 986 | 237 | FRUITLAND | Idaho | FARMERS MUTUAL TEL. CO. | IND. TELCO | More |
| 989 | 237 | HOUGHTONLK | Michigan | TELNET WORLDWIDE, INC. | CLEC | More |
|