Area Code | Prefix | City/Switch Name (Click for city search) | State/Prov. Area Map | Telephone Company Web link | Telco Type | More Info |
|---|
| 201 | 278 | DUMONT | New Jersey | AQUIS COMMUNICATIONS, INC. | WIRELESS PROV | More |
| 202 | 278 | WSHNGTNZN1 | District of Columbia | VERIZON WASHINGTON DC, INC. | RBOC | More |
| 203 | 278 | ANSONIDRBY | Connecticut | OMNIPOINT COMMUNICATIONS, INC. - CT | WIRELESS PROV | More |
| 204 | 278 | INWOOD | Manitoba | MTS Inc. | IND. TELCO | More |
| 205 | 278 | BIRMINGHAM | Alabama | LEVEL 3 TELECOM OF ALABAMA, LLC - AL | CLEC | More |
| 206 | 278 | SEATTLE | Washington | ONVOY, LLC - WA | | More |
| 207 | 278 | CORINNA | Maine | WEST PENOBSCOT TEL. & TEL. CO | IND. TELCO | More |
| 208 | 278 | NEW PLYMTH | Idaho | QWEST CORPORATION | RBOC | More |
| 209 | 278 | TURLOCK | California | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 210 | 278 | SANANTONIO | Texas | TELEPORT COMMUNICATIONS AMERICA, LLC - TX | CAP | More |
| 212 | 278 | NWYRCYZN01 | New York | VERIZON NEW YORK, INC. | RBOC | More |
| 213 | 278 | LSAN DA 01 | California | METROPCS NETWORKS, LLC | | More |
| 214 | 278 | GRANDPRARI | Texas | LEVEL 3 OF TELECOM OF TEXAS, LLC - TX | CAP | More |
| 215 | 278 | PHLDLPHZN1 | Pennsylvania | ONVOY, LLC - PA | | More |
| 216 | 278 | MONTROSE (CUYAHOGA) | Ohio | NUSO, LLC | | More |
| 217 | 278 | CHAMPAURBN | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 218 | 278 | LITTLEFORK | Minnesota | CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN | | More |
| 219 | 278 | CHESTERTON | Indiana | TELNYX LLC | | More |
| 223 | 278 | COLUMBIA | Pennsylvania | D&E/OMNIPOINT WIREL JOINT VENT LP DBA PCS ONE | PCS | More |
| 224 | 278 | ROSELLE | Illinois | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | CLEC | More |
| 225 | 278 | BATONROUGE | Louisiana | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 228 | 278 | OCEAN SPG | Mississippi | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 229 | 278 | CAMILLA | Georgia | ONVOY, LLC - GA | | More |
| 231 | 278 | HESPERIA | Michigan | ONVOY SPECTRUM, LLC | | More |
| 234 | 278 | HINCKLEY | Ohio | ONVOY, LLC - OH | | More |
| 239 | 278 | FORT MYERS | Florida | CENTURYLINK OF FLORIDA, INC. (UNITED) | IND. TELCO | More |
| 240 | 278 | WASHINGTON ZONE 11 | Virginia | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | WIRELESS PROV | More |
| 248 | 278 | ROYAL OAK | Michigan | METROPCS, INC. | | More |
| 250 | 278 | Fernie | British Columbia | TELUS Mobility | WIRELESS PROV | More |
| 251 | 278 | HUXFORD | Alabama | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 252 | 278 | MOREHEADCY | North Carolina | LEVEL 3 COMMUNICATIONS, LLC - NC | | More |
| 253 | 278 | TACOMA | Washington | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA | | More |
| 254 | 278 | COPPERASCV | Texas | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 256 | 278 | ATHENS | Alabama | LEVEL 3 COMMUNICATIONS, LLC - AL | | More |
| 260 | 278 | FORT WAYNE | Indiana | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN | WIRELESS PROV | More |
| 262 | 278 | WAUKESHA | Wisconsin | TIME WARNER CABLE INFORMATION SVCS (WISCONSIN) WI | | More |
| 267 | 278 | PHLDLPHZN2 | Pennsylvania | METROPCS, INC. | | More |
| 269 | 278 | THREERIVRS | Michigan | FRONTIER NORTH, INC. - MI | IND. TELCO | More |
| 270 | 278 | LIVERMORE | Kentucky | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | RBOC | More |
| 272 | 278 | MANSFIELD | Pennsylvania | METROPCS, INC. | | More |
| 276 | 278 | INDEPNDNCE | Virginia | LUMOS NETWORKS INC. | CAP | More |
| 279 | 278 | FOLSOM | California | RADIANTIQ LLC | | More |
| 281 | 278 | SUGAR LAND | Texas | WINDSTREAM SUGAR LAND, LLC | IND. TELCO | More |
| 289 | 278 | Whitby | Ontario | Iristel Inc. | | More |
| 301 | 278 | WSHNGTNZN5 | Maryland | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | CLEC | More |
| 302 | 278 | REHOBOTH | Delaware | BANDWIDTH.COM CLEC, LLC - DE | | More |
| 303 | 278 | DENVER | Colorado | QWEST CORPORATION | RBOC | More |
| 304 | 278 | RIVESVILLE | West Virginia | FRONTIER WEST VIRGINIA INC. | RBOC | More |
| 305 | 278 | PERRINE | Florida | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 306 | 278 | PORCUPIN PLAIN | Saskatchewan | SaskTel | IND. TELCO | More |
| 307 | 278 | BUFFALO | Wyoming | LEVEL 3 COMMUNICATIONS, LLC - WY | | More |
| 308 | 278 | CULBERTSON | Nebraska | GREAT PLAINS COMMUNICATIONS, INC. | IND. TELCO | More |
| 309 | 278 | EASTMOLINE | Iowa | MCLEODUSA TELECOMMUNICATION SERVICES, INC. - IL | CLEC | More |
| 310 | 278 | BEVERLYHLS | California | PACIFIC BELL | RBOC | More |
| 312 | 278 | CHICGOZN01 | Illinois | LEVEL 3 COMMUNICATIONS, LLC - IL | CLEC | More |
| 313 | 278 | DETROITZN6 | Michigan | MICHIGAN BELL TEL CO | RBOC | More |
| 314 | 278 | ST LOUIS | Missouri | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 315 | 278 | SYRACUSE | New York | OMNIPOINT COMMUNICATIONS, INC. - NY | WIRELESS PROV | More |
| 316 | 278 | TOWANDA | Kansas | SPRINT SPECTRUM L.P. | PCS | More |
| 317 | 278 | INDIANAPLS | Indiana | INDIANA BELL TEL CO INC | RBOC | More |
| 318 | 278 | RUSTON | Louisiana | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 319 | 278 | CLARKSVL | Iowa | BUTLER-BREMER MUTUAL TEL. CO. | IND. TELCO | More |
| 320 | 278 | TERRACE | Minnesota | MID STATE TEL. CO. | IND. TELCO | More |
| 321 | 278 | ORLANDO | Florida | OMNIPOINT MIAMI E LICENSE, LLC | PCS | More |
| 323 | 278 | MONTEBELLO | California | PACIFIC BELL | RBOC | More |
| 325 | 278 | SAN ANGELO | Texas | TEXAS COMMUNICATIONS, INC. | WIRELESS PROV | More |
| 330 | 278 | HINCKLEY | Ohio | WINDSTREAM WESTERN RESERVE, INC. | IND. TELCO | More |
| 331 | 278 | AURORA | Illinois | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 332 | 278 | NWYRCYZN01 | New York | ONVOY, LLC- NY | | More |
| 334 | 278 | LOWNDESBO | Alabama | HAYNEVILLE TEL. CO., INC. | IND. TELCO | More |
| 336 | 278 | BURLINGTON | North Carolina | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 337 | 278 | LAFAYETTE | Louisiana | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 346 | 278 | MANVEL | Texas | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 347 | 278 | NWYRCYZN06 | New York | OMNIPOINT COMMUNICATIONS, INC. - NY | WIRELESS PROV | More |
| 352 | 278 | GAINESVL | Florida | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 360 | 278 | BUCODA | Washington | TENINO TEL. CO. | IND. TELCO | More |
| 361 | 278 | SAN DIEGO | Texas | NUSO, LLC | | More |
| 385 | 278 | KAYSVILLE | Utah | CENTURYLINK COMMUNICATIONS, LLC | | More |
| 386 | 278 | DAYTONABCH | Florida | TELNYX LLC | | More |
| 401 | 278 | PROVIDENCE | Rhode Island | VERIZON NEW ENGLAND INC. | RBOC | More |
| 402 | 278 | KENNARD | Nebraska | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NE | | More |
| 403 | 278 | CALGARY | Alberta | TELUS | IND. TELCO | More |
| 404 | 278 | ATLANTA | Georgia | AMERICAN MESSAGING SERVICES, LLC | | More |
| 405 | 278 | OKLA CITY | Oklahoma | SOUTHWESTERN BELL | RBOC | More |
| 406 | 278 | CONRAD | Montana | QWEST CORPORATION | RBOC | More |
| 407 | 278 | OVIEDO | Florida | DELTACOM, INC. - FL | CLEC | More |
| 408 | 278 | SNJS WEST | California | PACIFIC BELL | RBOC | More |
| 409 | 278 | CARMINE | Texas | ONVOY, LLC - TX | | More |
| 410 | 278 | ABERDEEN | Maryland | VERIZON MARYLAND, INC. | RBOC | More |
| 412 | 278 | PTGSBNZN14 | Pennsylvania | VERIZON PENNSYLVANIA, INC. | RBOC | More |
| 413 | 278 | SPRINGFLD | Massachusetts | U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS | | More |
| 414 | 278 | MILWAUKZN1 | Wisconsin | WISCONSIN BELL INC | RBOC | More |
| 415 | 278 | SNFC CNTRL | California | PACIFIC BELL | RBOC | More |
| 416 | 278 | TORONTO | Ontario | Rogers Communications Partnership (Wireless) | WIRELESS PROV | More |
| 417 | 278 | SPARTA | Missouri | CENTURYTEL MISSOURI LLC (SOUTHWEST)DBA CENTURYLINK | | More |
| 418 | 278 | Saint-Georges-de-Be | Quebec | TELUS Mobility | CAP | More |
| 419 | 278 | DESHLER | Ohio | UNITED TEL. CO. OF OHIO DBA CENTURYLINK | IND. TELCO | More |
| 423 | 278 | GREENEVL | Tennessee | LEVEL 3 COMMUNICATIONS, LLC - TN | CLEC | More |
| 424 | 278 | BEVERLYHLS | California | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 425 | 278 | BELLEVUE | Washington | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | CLEC | More |
| 430 | 278 | TEXARKANA | Texas | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 432 | 278 | MCCAMEY | Texas | ONVOY, LLC - TX | | More |
| 434 | 278 | PINEYRIVER | Virginia | BANDWIDTH.COM CLEC, LLC - VA | | More |
| 435 | 278 | ENTERPRISE | Utah | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT | WIRELESS PROV | More |
| 440 | 278 | WICKLIFFE | Ohio | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 442 | 278 | VALLEY CTR | California | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 443 | 278 | BALTIMORE | Maryland | VDL, INC. DBA GLOBAL TELECOM BROKERS - MD | | More |
| 445 | 278 | PHPHSBZN43 | Pennsylvania | NEW CINGULAR WIRELESS PCS, LLC - DC | WIRELESS PROV | More |
| 447 | 278 | DANVILLE | Illinois | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 450 | 278 | ST HYACINTHE | Quebec | TELUS Mobility | CAP | More |
| 458 | 278 | ALBANY | Oregon | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 463 | 278 | NOBLESVL | Indiana | BANDWIDTH.COM CLEC, LLC - IN | | More |
| 469 | 278 | GRANDPRARI | Texas | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 470 | 278 | ATLANTA SO | Georgia | COMCAST IP PHONE, LLC | | More |
| 475 | 278 | GREENWICH | Connecticut | CABLEVISION LIGHTPATH, INC. - CT | CLEC | More |
| 478 | 278 | DUBLIN | Georgia | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - GA | WIRELESS PROV | More |
| 479 | 278 | ROGERS | Arkansas | METROPCS, INC. | | More |
| 480 | 278 | PHOENIX | Arizona | SADDLEBACK COMMUNICATIONS COMPANY - AZ | CLEC | More |
| 484 | 278 | PHPHSBZN23 | Pennsylvania | LEVEL 3 COMMUNICATIONS, LLC - PA | CLEC | More |
| 501 | 278 | SEARCY | Arkansas | SOUTHWESTERN BELL | RBOC | More |
| 502 | 278 | CARROLLTON | Kentucky | WINDSTREAM NORLIGHT, INC. - KY | | More |
| 503 | 278 | PORTLAND | Oregon | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR | | More |
| 504 | 278 | NEWORLEANS | Louisiana | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | RBOC | More |
| 505 | 278 | DES MOINES | New Mexico | LEVEL 3 COMMUNICATIONS, LLC - NM | | More |
| 506 | 278 | BATH | New Brunswick | Aliant Telecom(NB) | IND. TELCO | More |
| 507 | 278 | GOODTHUNDR | Minnesota | CONSOLIDATED COMMUNICATIONS MID-COM COMPANY - MN | IND. TELCO | More |
| 508 | 278 | UXBRIDGE | Massachusetts | VERIZON NEW ENGLAND INC. | RBOC | More |
| 509 | 278 | SPOKANE | Washington | ONVOY, LLC - WA | | More |
| 510 | 278 | HAYWARD | California | PACIFIC BELL | RBOC | More |
| 512 | 278 | AUSTIN | Texas | SOUTHWESTERN BELL | RBOC | More |
| 513 | 278 | BETHEL | Ohio | GLOBAL CROSSING LOCAL SERVICES, INC. - OH | CLEC | More |
| 514 | 278 | MONTREAL | Quebec | Bell Canada | IND. TELCO | More |
| 515 | 278 | DES MOINES | Iowa | QWEST CORPORATION | RBOC | More |
| 516 | 278 | BRENTWOOD | New York | USA MOBILITY WIRELESS, INC. | WIRELESS PROV | More |
| 517 | 278 | COLDWATER | Michigan | FRONTIER NORTH, INC. - MI | IND. TELCO | More |
| 518 | 278 | JONESVILLE | New York | TVC ALBANY, INC. DBA FIRSTLIGHT FIBER | CLEC | More |
| 519 | 278 | Orangeville | Ontario | Bell Mobility | WIRELESS PROV | More |
| 520 | 278 | PHOENIX | Arizona | METROPCS, INC. | | More |
| 530 | 278 | GRVY SOUTH | California | TELEPORT COMMUNICATIONS AMERICA, LLC - CA | CLEC | More |
| 531 | 278 | LINCOLN | Nebraska | TELNYX LLC | | More |
| 539 | 278 | EUFAULA | Oklahoma | BANDWIDTH.COM CLEC, LLC - OK | | More |
| 540 | 278 | ROANOKE | Virginia | US LEC OF VIRGININA, LLC | CLEC | More |
| 541 | 278 | PENDLETON | Oregon | QWEST CORPORATION | RBOC | More |
| 551 | 278 | ORADELL | New Jersey | TELNYX LLC | | More |
| 559 | 278 | FRESNO | California | PACIFIC BELL | RBOC | More |
| 561 | 278 | DELRAY BCH | Florida | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 562 | 278 | NORWALK | California | ONVOY, LLC - CA | | More |
| 563 | 278 | CLINTON | Iowa | ONVOY, LLC - IA | | More |
| 567 | 278 | BASCOM | Ohio | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 570 | 278 | MONTROSE | Pennsylvania | COMMONWEALTH TELEPHONE COMPANY LLC | IND. TELCO | More |
| 571 | 278 | WSNGTNZN19 | Virginia | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | WIRELESS PROV | More |
| 573 | 278 | CAPEGIRARD | Missouri | AMERICAN MESSAGING SERVICES, LLC | | More |
| 574 | 278 | BUFFALO | Indiana | PULASKI-WHITE RURAL TEL. COOP., INC. | IND. TELCO | More |
| 575 | 278 | DES MOINES | New Mexico | BACA VALLEY TEL. CO., INC. | IND. TELCO | More |
| 580 | 278 | ENID | Oklahoma | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 581 | 278 | Saint-Stanislas | Quebec | Telecommunications Xittel Inc | | More |
| 585 | 278 | ROCHESTER | New York | FRONTIER TELEPHONE OF ROCHESTER, INC. | IND. TELCO | More |
| 586 | 278 | CENTERLINE | Michigan | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 587 | 278 | Claresholm | Alberta | TELUS Mobility | CAP | More |
| 601 | 278 | JACKSON | Mississippi | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 602 | 278 | PHOENIX | Arizona | QWEST CORPORATION | RBOC | More |
| 603 | 278 | BRETTON WD | New Hampshire | BRETTON WOODS TEL. CO. | IND. TELCO | More |
| 604 | 278 | RICHMOND | British Columbia | TELUS | IND. TELCO | More |
| 605 | 278 | SOSCRANTON | North Dakota | CONSOLIDATED TELCOM | IND. TELCO | More |
| 606 | 278 | MONTICELLO | Kentucky | METROPCS, INC. | | More |
| 607 | 278 | DAVENPORT | New York | VERIZON NEW YORK, INC. | RBOC | More |
| 608 | 278 | MADISON | Wisconsin | WISCONSIN BELL INC | RBOC | More |
| 609 | 278 | TRENTON | New Jersey | VERIZON NEW JERSEY, INC. | RBOC | More |
| 610 | 278 | PHPHSBZN30 | Pennsylvania | VERIZON PENNSYLVANIA, INC. | RBOC | More |
| 612 | 278 | TWINCITIES | Minnesota | OVATIONS COMMUNICATIONS OF MN | CLEC | More |
| 613 | 278 | MCDONALDS CORNERS | Ontario | Bell Canada | IND. TELCO | More |
| 614 | 278 | COLUMBUS | Ohio | OHIO BELL TEL CO | RBOC | More |
| 615 | 278 | MURFREESBO | Tennessee | LEVEL 3 COMMUNICATIONS, LLC - TN | CLEC | More |
| 616 | 278 | THREE RIVERS | Michigan | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 617 | 278 | BROOKLINE | Massachusetts | VERIZON NEW ENGLAND INC. | RBOC | More |
| 618 | 278 | WOODBURN | Illinois | FRONTIER COMMUNICATIONS-MIDLAND, INC. | IND. TELCO | More |
| 619 | 278 | SNDG SNDG | California | PACIFIC BELL | RBOC | More |
| 620 | 278 | STERLING | Kansas | UNITED TEL OF EASTERN KANSAS DBA CENTURYLINK | IND. TELCO | More |
| 623 | 278 | PHOENIX | Arizona | TELNYX LLC | | More |
| 626 | 278 | ALHAMBRA | California | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 628 | 278 | SNFC MT-EV | California | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 629 | 278 | NASHVILLE | Tennessee | TELEPORT COMMUNICATIONS AMERICA, LLC - TN | | More |
| 630 | 278 | ROSELLE | Illinois | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 631 | 278 | BRENTWOOD | New York | METROPCS, INC. | | More |
| 636 | 278 | SAINT PETERS | Missouri | CENTURYTEL MISSOURI LLC (SOUTHWEST)DBA CENTURYLINK | | More |
| 641 | 278 | CRESTON | Iowa | WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH | | More |
| 646 | 278 | NEW YORK CITY ZONE | New York | EUREKA TELECOM, INC. DBA EUREKA NETWORKS - NY | | More |
| 647 | 278 | Toronto | Ontario | Rogers Communications Partnership (Wireless) | WIRELESS PROV | More |
| 650 | 278 | SOUTH SAN FRANCISCO | California | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 651 | 278 | MINNEAPOLIS | Minnesota | AERIAL COMMUNICATIONS, INC. | WIRELESS PROV | More |
| 657 | 278 | FULLERTON | California | PACIFIC BELL | RBOC | More |
| 659 | 278 | BIRMINGHAM | Alabama | ONVOY, LLC - AL | | More |
| 660 | 278 | STEFFENVILLE | Missouri | MARK TWAIN RURAL TEL. CO. | IND. TELCO | More |
| 661 | 278 | BAKERSFIELD | California | LEVEL 3 TELECOM OF CALIFORNIA, LP - CA | CLEC | More |
| 662 | 278 | HOLLY SPRINGS | Mississippi | POWERTEL MEMPHIS LICENSES, INC. | WIRELESS PROV | More |
| 667 | 278 | TOWSON | Maryland | NEW CINGULAR WIRELESS PCS, LLC - DC | WIRELESS PROV | More |
| 669 | 278 | CAMPBELL | California | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 678 | 278 | ATLANTA | Georgia | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - GA | CLEC | More |
| 680 | 278 | AMBER | New York | COMMIO, LLC | | More |
| 681 | 278 | LOGAN | West Virginia | NEW CINGULAR WIRELESS PCS, LLC - DC | WIRELESS PROV | More |
| 682 | 278 | EULESS | Texas | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | CLEC | More |
| 689 | 278 | ORLANDO | Florida | LEVEL 3 COMMUNICATIONS, LLC - FL | CLEC | More |
| 701 | 278 | ROLLA | North Dakota | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 702 | 278 | LAS VEGAS | Nevada | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NV | WIRELESS PROV | More |
| 703 | 278 | BRADDOCK | Virginia | VERIZON VIRGINIA, INC. | RBOC | More |
| 704 | 278 | CLEVELAND | North Carolina | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 705 | 278 | FORT ALBANY | Ontario | Bell Canada | IND. TELCO | More |
| 706 | 278 | DALTON | Georgia | WINDSTREAM GEORGIA COMMUNICATIONS CORP. | IND. TELCO | More |
| 707 | 278 | KELSEYVILLE | California | PACIFIC BELL | RBOC | More |
| 708 | 278 | SCHAUMBURG | Illinois | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 709 | 278 | Port Au Port | Newfoundland | Bragg Communications Inc. | CLEC | More |
| 712 | 278 | IRETON | Iowa | HEARTLAND TELECO OF IA DBA PREMIER COMMUNICATIONS | IND. TELCO | More |
| 713 | 278 | HOUSTON SUNSET | Texas | SOUTHWESTERN BELL | RBOC | More |
| 714 | 278 | FULLERTON | California | PACIFIC BELL | RBOC | More |
| 715 | 278 | MARENGO | Wisconsin | CHEQUAMEGON COMMUNICATIONS COOPERATIVE, INC. | IND. TELCO | More |
| 716 | 278 | NIAGARA FALLS | New York | VERIZON NEW YORK, INC. | RBOC | More |
| 717 | 278 | LANCASTER | Pennsylvania | METROPCS, INC. | | More |
| 718 | 278 | NYCZ 8 | New York | VERIZON NEW YORK, INC. | RBOC | More |
| 719 | 278 | COLORADO SPRINGS | Colorado | QWEST CORPORATION | RBOC | More |
| 720 | 278 | DENVER | Colorado | LEVEL 3 TELECOM OF COLORADO, LLC - CO | CLEC | More |
| 724 | 278 | PITTSBURGH | Pennsylvania | GLOBAL CROSSING LOCAL SERVICES, INC. - PA | CLEC | More |
| 725 | 278 | LAUGHLIN | Nevada | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NV | WIRELESS PROV | More |
| 727 | 278 | TAMPA | Florida | METROPCS, INC. | | More |
| 731 | 278 | CYPRESS | Tennessee | CHARTER FIBERLINK-TENNESSEE, LLC - TN | | More |
| 732 | 278 | TOMS RIVER | New Jersey | NEW CINGULAR WIRELESS PCS, LLC - DC | WIRELESS PROV | More |
| 734 | 278 | LIVONIA | Michigan | OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC | | More |
| 737 | 278 | BASTROP | Texas | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX | WIRELESS PROV | More |
| 740 | 278 | STEUBENVILLE | Ohio | AERIAL COMMUNICATIONS, INC. | WIRELESS PROV | More |
| 747 | 278 | NORTHRIDGE | California | SHELCOMM | | More |
| 757 | 278 | NORFOLK ZONE 2 | Virginia | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - VA | CLEC | More |
| 760 | 278 | LOS ANGELES FOCAL | California | LEVEL 3 COMMUNICATIONS, LLC - CA | CLEC | More |
| 762 | 278 | RUTLEDGE | Georgia | BANDWIDTH.COM CLEC, LLC - GA | | More |
| 763 | 278 | TWIN CITIES | Minnesota | OVATIONS COMMUNICATIONS OF MN | CLEC | More |
| 765 | 278 | INDIANAPOLIS | Indiana | OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC | | More |
| 769 | 278 | JACKSON | Mississippi | POWERTEL MEMPHIS LICENSES, INC. | WIRELESS PROV | More |
| 770 | 278 | CONYERS | Georgia | DELTACOM, INC. - GA | CLEC | More |
| 772 | 278 | HOBE SOUND | Florida | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - FL | WIRELESS PROV | More |
| 773 | 278 | CHCZ 4 | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 774 | 278 | HOPKINTON | Massachusetts | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | WIRELESS PROV | More |
| 775 | 278 | DUCKWATER/CURRANT/N | Nevada | ONVOY, LLC - NV | | More |
| 778 | 278 | Langley | British Columbia | Shaw Telecom Inc. | | More |
| 779 | 278 | GRANDRIDGE | Illinois | STRATUS NETWORKS | | More |
| 780 | 278 | Edmonton | Alberta | Bell Mobility | WIRELESS PROV | More |
| 781 | 278 | NORWOOD | Massachusetts | VERIZON NEW ENGLAND INC. | RBOC | More |
| 785 | 278 | HARDY-SOUTH HARDY | Nebraska | WINDSTREAM NEBRASKA, INC. | IND. TELCO | More |
| 786 | 278 | PERRINE | Florida | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 787 | 278 | DORADO | Puerto Rico | PUERTO RICO TEL. CO. | IND. TELCO | More |
| 801 | 278 | HOLLADAY | Utah | QWEST CORPORATION | RBOC | More |
| 802 | 278 | FAIR HAVEN | Vermont | LEVEL 3 COMMUNICATIONS, LLC - VT | | More |
| 803 | 278 | NORTH AUGUSTA | South Carolina | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 804 | 278 | RICHMOND | Virginia | VERIZON VIRGINIA, INC. | RBOC | More |
| 805 | 278 | EL RIO | California | FRONTIER CALIFORNIA INC. | IND. TELCO | More |
| 806 | 278 | MIAMI | Texas | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 808 | 278 | WAILUKU | Hawaii | HAWAIIAN TELCOM, INC. - HI | IND. TELCO | More |
| 810 | 278 | MT CLEMENS | Michigan | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI | WIRELESS PROV | More |
| 812 | 278 | BEDFORD | Indiana | INDIANA BELL TEL CO INC | RBOC | More |
| 813 | 278 | TAMPA | Florida | AERIAL COMMUNICATIONS, INC. | WIRELESS PROV | More |
| 814 | 278 | STATE COLLEGE | Pennsylvania | VERIZON PENNSYLVANIA, INC. | RBOC | More |
| 815 | 278 | BRADLEY | Illinois | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | WIRELESS PROV | More |
| 816 | 278 | KANSAS CITY | Missouri | GLOBAL CROSSING LOCAL SERVICES, INC. - MO | CLEC | More |
| 817 | 278 | FORT WORTH EDISON | Texas | SOUTHWESTERN BELL | RBOC | More |
| 818 | 278 | VAN NUYS | California | ONVOY SPECTRUM, LLC | | More |
| 819 | 278 | NOMININGUE | Quebec | Bell Canada | IND. TELCO | More |
| 828 | 278 | BOONE | North Carolina | LEVEL 3 COMMUNICATIONS, LLC - NC | | More |
| 830 | 278 | UVALDE | Texas | SOUTHWESTERN BELL | RBOC | More |
| 831 | 278 | BEN LOMOND | California | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | WIRELESS PROV | More |
| 832 | 278 | RICHMNRNBG | Texas | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 838 | 278 | SCHUYLERVL | New York | ONVOY, LLC- NY | | More |
| 839 | 278 | CAMDEN | South Carolina | TON80 COMMUNICATIONS, LLC | | More |
| 843 | 278 | NORTH CHARLESTON | South Carolina | LEVEL 3 COMMUNICATIONS, LLC - SC | | More |
| 845 | 278 | BREWSTER | New York | VERIZON NEW YORK, INC. | RBOC | More |
| 847 | 278 | SCHAUMBURG | Illinois | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | CLEC | More |
| 848 | 278 | MONMTH JCT | New Jersey | OMNIPOINT COMMUNICATIONS, INC. - NJ | WIRELESS PROV | More |
| 850 | 278 | SANTA ROSA BEACH | Florida | NEWSOUTH COMMUNICATIONS, INC. DBA UNIVERSALCOM FL | CLEC | More |
| 856 | 278 | HADDONFIELD | New Jersey | OMNIPOINT COMMUNICATIONS ENTERPRISES, LP | WIRELESS PROV | More |
| 857 | 278 | BOSTON | Massachusetts | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | WIRELESS PROV | More |
| 858 | 278 | SAN DIEGO | California | PACIFIC BELL | RBOC | More |
| 859 | 278 | LEXINGTON SOUTH | Kentucky | WINDSTREAM KENTUCKY EAST, INC. - LEXINGTON | | More |
| 860 | 278 | HARTFORD | Connecticut | SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT | IND. TELCO | More |
| 862 | 278 | DOVER | New Jersey | RCLEC, INC. | | More |
| 863 | 278 | FORT MEADE | Florida | TELNYX LLC | | More |
| 864 | 278 | SPARTANBURG | South Carolina | LEVEL 3 COMMUNICATIONS, LLC - SC | | More |
| 865 | 278 | SHARPS CHAPEL | Tennessee | CENTURYTEL OF CLAIRBORNE DBA CENTURYLINK-CLAIBORNE | IND. TELCO | More |
| 870 | 278 | BLYTHEVILLE | Arkansas | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AR | WIRELESS PROV | More |
| 872 | 278 | CHICGOZN01 | Illinois | ONVOY, LLC | | More |
| 873 | 278 | St-Adolphe-D'Howard | Quebec | Telecommunications Xittel Inc | | More |
| 878 | 278 | DARLINGTON | Pennsylvania | ONVOY, LLC - PA | | More |
| 901 | 278 | MEMPHIS | Tennessee | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | RBOC | More |
| 902 | 278 | Meteghan | Nova Scotia | Bragg Communications Inc. | CLEC | More |
| 903 | 278 | TEXARKANA | Texas | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 904 | 278 | ORANGE PARK | Florida | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 905 | 278 | PORT CREDIT | Ontario | Bell Canada | IND. TELCO | More |
| 906 | 278 | BRIMLEY | Michigan | RANGE TELECOMMUNICATIONS | CLEC | More |
| 907 | 278 | ANCHORAGE | Alaska | ACS OF ANCHORAGE, INC. | IND. TELCO | More |
| 908 | 278 | TOMS RIVER | New Jersey | NEW CINGULAR WIRELESS PCS, LLC - DC | WIRELESS PROV | More |
| 909 | 278 | CORONA | California | METROPCS NETWORKS, LLC | | More |
| 910 | 278 | LONG BEACH | North Carolina | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 912 | 278 | BAXLEY | Georgia | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - GA | WIRELESS PROV | More |
| 913 | 278 | HARDY-SOUTH HARDY | Kansas | BANDWIDTH.COM CLEC, LLC - KS | | More |
| 914 | 278 | BREWSTER | New York | PEERLESS NETWORK OF NEW YORK, LLC - NY | | More |
| 915 | 278 | SAN ANGELO | Texas | ONVOY, LLC - TX | | More |
| 916 | 278 | SACRAMENTO | California | PACIFIC BELL | RBOC | More |
| 917 | 278 | NEW YORK CITY ZONE | New York | VERIZON NEW YORK, INC. | RBOC | More |
| 918 | 278 | TULSA | Oklahoma | PAGING TULSA, INC. | WIRELESS PROV | More |
| 919 | 278 | RALEIGH | North Carolina | AT&T - LOCAL | CLEC | More |
| 920 | 278 | GREEN BAY | Wisconsin | GLOBAL CROSSING TELEMANAGEMENT, INC. - WI | CLEC | More |
| 925 | 278 | FREMONT | California | COMCAST IP PHONE, LLC | | More |
| 928 | 278 | BULLHEADCY | Arizona | LEVEL 3 COMMUNICATIONS, LLC - AZ | | More |
| 929 | 278 | NWYRCYZN10 | New York | OMNIPOINT COMMUNICATIONS, INC. - NY | WIRELESS PROV | More |
| 930 | 278 | BRAZIL | Indiana | NUSO, LLC | | More |
| 931 | 278 | CLARKSVILLE | Tennessee | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 936 | 278 | WATERWOOD | Texas | WINDSTREAM SUGAR LAND, LLC | IND. TELCO | More |
| 937 | 278 | DAYTON | Ohio | OHIO BELL TEL CO | RBOC | More |
| 939 | 278 | BAYAMONNOR | Puerto Rico | PUERTO RICO TELCO DBA CLARO PUERTO RICO | WIRELESS PROV | More |
| 940 | 278 | JUSTIN | Texas | BANDWIDTH.COM CLEC, LLC - TX | | More |
| 941 | 278 | FORT MYERS SOUTH | Florida | AERIAL COMMUNICATIONS, INC. | WIRELESS PROV | More |
| 945 | 278 | FRISCO | Texas | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | CLEC | More |
| 949 | 278 | IRVINE | California | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 951 | 278 | CORONA | California | PACIFIC BELL | RBOC | More |
| 952 | 278 | TWIN CITIES | Minnesota | OVATIONS COMMUNICATIONS OF MN | CLEC | More |
| 954 | 278 | HOLLYWOOD | Florida | PEERLESS NETWORK OF FLORIDA, LLC - FL | | More |
| 956 | 278 | MCALLEN | Texas | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | CLEC | More |
| 970 | 278 | LOVELAND | Colorado | QWEST CORPORATION | RBOC | More |
| 971 | 278 | CLATSKANIE | Oregon | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR | | More |
| 972 | 278 | GARLAND | Texas | FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS | IND. TELCO | More |
| 973 | 278 | PATERSON ARMORY | New Jersey | VERIZON NEW JERSEY, INC. | RBOC | More |
| 978 | 278 | BOSTON | Massachusetts | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | CLEC | More |
| 979 | 278 | CARMINE | Texas | INDUSTRY TEL. CO. | IND. TELCO | More |
| 980 | 278 | WADESBORO | North Carolina | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC | WIRELESS PROV | More |
| 984 | 278 | DURHAM | North Carolina | STRATUS NETWORKS | | More |
| 985 | 278 | LAROSE | Louisiana | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 986 | 278 | EMMETT | Idaho | ONVOY, LLC - ID | | More |
| 989 | 278 | ALPENA | Michigan | 123.NET, INC. | CLEC | More |
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