Area Code | Prefix | City/Switch Name (Click for city search) | State/Prov. Area Map | Telephone Company Web link | Telco Type | More Info |
|---|
| 201 | 542 | NEWARK | New Jersey | TELEPORT COMMUNICATIONS AMERICA, LLC - NJ | CAP | More |
| 202 | 542 | WSHNGTNZN1 | District of Columbia | AMERICAN MESSAGING SERVICES, LLC | | More |
| 203 | 542 | GREENWICH | New York | AT&T - LOCAL | CLEC | More |
| 205 | 542 | BIRMINGHAM | Alabama | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 206 | 542 | RICHMNDBCH | Washington | ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER | IND. TELCO | More |
| 207 | 542 | ROCKLAND | Maine | UNITED STATES CELLULAR - ME | WIRELESS PROV | More |
| 208 | 542 | IDAHOFALLS | Idaho | QWEST CORPORATION | RBOC | More |
| 209 | 542 | HUGHSON | California | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 210 | 542 | SANANTONIO | Texas | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 212 | 542 | NWYRCYZN01 | New York | US LEC COMMUNICATIONS, INC. - NY | | More |
| 213 | 542 | LSAN DA 01 | California | U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS | | More |
| 214 | 542 | GRANDPRARI | Texas | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX | WIRELESS PROV | More |
| 215 | 542 | PHPHSBZN33 | Pennsylvania | VERIZON PENNSYLVANIA, INC. | RBOC | More |
| 217 | 542 | DECATUR | Illinois | MCLEODUSA TELECOMMUNICATION SERVICES, INC. - IL | CLEC | More |
| 218 | 542 | GRAND RPDS | Minnesota | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MN | | More |
| 224 | 542 | WHEELING | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 229 | 542 | CUTHBERT | Georgia | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 234 | 542 | AKRON | Ohio | LEVEL 3 COMMUNICATIONS, LLC - OH | CLEC | More |
| 239 | 542 | CAPE CORAL | Florida | CENTURYLINK OF FLORIDA, INC. (UNITED) | IND. TELCO | More |
| 240 | 542 | WSNG236Z13 | Virginia | US LEC OF MARYLAND, INC. | CLEC | More |
| 248 | 542 | ROYAL OAK | Michigan | MICHIGAN BELL TEL CO | RBOC | More |
| 250 | 542 | VERNON | British Columbia | TELUS | IND. TELCO | More |
| 251 | 542 | SILAS | Alabama | MILLRY TEL. CO. | IND. TELCO | More |
| 252 | 542 | ENGELHARD | North Carolina | UNITED STATES CELLULAR - NC | WIRELESS PROV | More |
| 254 | 542 | COPPERASCV | Texas | CENTRAL TEL. CO. OF TEXAS DBA CENTURYLINK | IND. TELCO | More |
| 256 | 542 | MADISON | Alabama | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | RBOC | More |
| 262 | 542 | WAUKESHA | Wisconsin | WISCONSIN BELL INC | RBOC | More |
| 267 | 542 | PHLDLPHZN2 | Pennsylvania | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA | WIRELESS PROV | More |
| 269 | 542 | ST JOSEPH | Michigan | INDIANA PAGING NETWORK, INC. | WIRELESS PROV | More |
| 270 | 542 | AUBURN | Kentucky | LOGAN TEL. COOP., INC. | IND. TELCO | More |
| 281 | 542 | DEER PARK | Texas | SOUTHWESTERN BELL | RBOC | More |
| 301 | 542 | WALDORF | District of Columbia | TELEPORT COMMUNICATIONS AMERICA, LLC - DC | CLEC | More |
| 302 | 542 | GEORGETOWN | Delaware | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DE | WIRELESS PROV | More |
| 303 | 542 | DENVER | Colorado | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | CLEC | More |
| 304 | 542 | CHRLSTNZN1 | West Virginia | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WV | WIRELESS PROV | More |
| 305 | 542 | NORTH DADE | Florida | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 306 | 542 | KAMSACK | Saskatchewan | SaskTel | IND. TELCO | More |
| 309 | 542 | MCLEAN | Illinois | ONVOY SPECTRUM, LLC | | More |
| 310 | 542 | REDONDO | California | FRONTIER CALIFORNIA INC. | IND. TELCO | More |
| 312 | 542 | CHICGOZN01 | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 313 | 542 | DETROITZN5 | Michigan | BANDWIDTH.COM CLEC, LLC - MI | | More |
| 314 | 542 | CREVECOEUR | Missouri | SOUTHWESTERN BELL | RBOC | More |
| 315 | 542 | UTICA | New York | OMNIPOINT COMMUNICATIONS, INC. - NY | WIRELESS PROV | More |
| 316 | 542 | CHENEY | Kansas | SOUTHWESTERN BELL | RBOC | More |
| 317 | 542 | INDIANAPLS | Indiana | INDIANA BELL TEL CO INC | RBOC | More |
| 318 | 542 | ALEXANDRIA | Louisiana | LEVEL 3 COMMUNICATIONS, LLC - LA | | More |
| 319 | 542 | VAN HORNE | Iowa | VAN HORNE COOP. TEL. CO. | IND. TELCO | More |
| 320 | 542 | DAWSON | Minnesota | FRONTIER COMMUNICATIONS OF MINNESOTA, INC. | IND. TELCO | More |
| 323 | 542 | LSAN DA 03 | California | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 330 | 542 | NORTH LIMA | Ohio | OHIO BELL TEL CO | RBOC | More |
| 334 | 542 | SILAS | Alabama | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL | WIRELESS PROV | More |
| 336 | 542 | GREENSBORO | North Carolina | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC | WIRELESS PROV | More |
| 337 | 542 | CREOLE | Louisiana | CAMERON TEL CO | IND. TELCO | More |
| 346 | 542 | HOUSTON | Texas | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | CLEC | More |
| 347 | 542 | NWYRCYZN09 | New York | OMNIPOINT COMMUNICATIONS, INC. - NY | WIRELESS PROV | More |
| 352 | 542 | OLD TOWN | Florida | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 360 | 542 | MT VERNON | Washington | SKYE TELECOM LLC DBA SKYETEL | | More |
| 361 | 542 | BEEVILLE | Texas | STPCS JOINT VENTURE, LLC | PCS | More |
| 385 | 542 | MURRAY | Utah | ONVOY, LLC - UT | | More |
| 401 | 542 | GREENWICH | Rhode Island | LEVEL 3 COMMUNICATIONS, LLC - RI | CLEC | More |
| 402 | 542 | RISINGCITY | Nebraska | WINDSTREAM NEBRASKA, INC. | IND. TELCO | More |
| 403 | 542 | DRAYTON VALLEY | Alberta | Bell Mobility | WIRELESS PROV | More |
| 404 | 542 | ATLANTA | Georgia | POWERTEL ATLANTA LICENSES, INC. | WIRELESS PROV | More |
| 405 | 542 | HINTON | Oklahoma | HINTON TEL. CO. OF HINTON OK, INC. | IND. TELCO | More |
| 406 | 542 | MISSOULA | Montana | QWEST CORPORATION | RBOC | More |
| 407 | 542 | OVIEDO | Florida | MCI WORLDCOM COMMUNICATIONS, INC. - FL | CLEC | More |
| 408 | 542 | SUNNYVALE | California | PACIFIC BELL | RBOC | More |
| 410 | 542 | BALTIMORE | Maryland | VERIZON MARYLAND, INC. | RBOC | More |
| 412 | 542 | PTGSBNZN10 | Pennsylvania | GLOBAL CROSSING LOCAL SERVICES, INC. - PA | CLEC | More |
| 413 | 542 | AMHERST | Massachusetts | VERIZON NEW ENGLAND INC. | RBOC | More |
| 415 | 542 | SNFC CNTRL | California | PACIFIC BELL | RBOC | More |
| 416 | 542 | TORONTO | Ontario | Bell Canada | IND. TELCO | More |
| 417 | 542 | FORSYTH | Missouri | CD TELECOMMUNICATIONS, LLC - MO | | More |
| 418 | 542 | JONQUIERE | Quebec | Bell Canada | IND. TELCO | More |
| 419 | 542 | HICKSVILLE | Ohio | FRONTIER NORTH, INC. - OH | IND. TELCO | More |
| 423 | 542 | ELIZABTHTN | Tennessee | UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN | IND. TELCO | More |
| 424 | 542 | BEVERLYHLS | California | PEERLESS NETWORK OF CALIFORNIA, LLC - CA | | More |
| 425 | 542 | BELLEVUE | Washington | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 430 | 542 | QUINLAN | Texas | ONVOY, LLC - TX | | More |
| 434 | 542 | CHRLTTCTHS | Virginia | VERIZON SOUTH, INC. - VA (CONTEL) | IND. TELCO | More |
| 435 | 542 | HANKSVILLE | Utah | HANKSVILLE TELCOM, INC. - UT | | More |
| 440 | 542 | CHAGRINFLS | Ohio | OHIO BELL TEL CO | RBOC | More |
| 442 | 542 | NEEDLES | California | TWILIO INTERNATIONAL, INC. | | More |
| 443 | 542 | COLUMBIA | Maryland | COMCAST IP PHONE, LLC | | More |
| 445 | 542 | HARLEYSVL | Pennsylvania | TON80 COMMUNICATIONS, LLC | | More |
| 450 | 542 | ST JEAN | Quebec | Bell Canada | IND. TELCO | More |
| 469 | 542 | GRANDPRARI | Texas | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 470 | 542 | ATLANTA | Georgia | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - GA | WIRELESS PROV | More |
| 478 | 542 | WARNERRBNS | Georgia | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 479 | 542 | FORT SMITH | Arkansas | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 480 | 542 | PHOENIX | Arizona | ONVOY, LLC - AZ | | More |
| 484 | 542 | EASTON | Pennsylvania | OMNIPOINT COMMUNICATIONS ENTERPRISES, LP | WIRELESS PROV | More |
| 501 | 542 | SYVNHLSHWD | Arkansas | LEVEL 3 COMMUNICATIONS, LLC - AR | | More |
| 502 | 542 | GEORGETOWN | Kentucky | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - KY | WIRELESS PROV | More |
| 503 | 542 | PORTLAND | Oregon | ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM | CLEC | More |
| 504 | 542 | HAMMOND | Louisiana | BELLSOUTH TELECOMM INC - LA | RBOC | More |
| 505 | 542 | LORDSBURG | New Mexico | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 506 | 542 | PETIT ROCHER | New Brunswick | Aliant Telecom(NB) | IND. TELCO | More |
| 507 | 542 | NONEWALBIN | Iowa | ACE TEL. ASSN. - IA | IND. TELCO | More |
| 508 | 542 | NEWBEDFORD | Massachusetts | NEW CINGULAR WIRELESS PCS, LLC - DC | WIRELESS PROV | More |
| 509 | 542 | PASCO | Washington | QWEST CORPORATION | RBOC | More |
| 510 | 542 | OKLD BKLY | California | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | CLEC | More |
| 512 | 542 | AUSTIN | Texas | SOUTHWESTERN BELL | RBOC | More |
| 513 | 542 | CINCINNATI | Ohio | CINCINNATI BELL | IND. TELCO | More |
| 514 | 542 | Roxboro | Quebec | Videotron General Partnership | CLEC | More |
| 515 | 542 | BARNUM | Iowa | WEBSTER-CALHOUN COOP. TEL. ASSN. | IND. TELCO | More |
| 516 | 542 | NASSAUZN05 | New York | VERIZON NEW YORK, INC. | RBOC | More |
| 517 | 542 | LITCHFIELD | Michigan | CENTURYTEL MIDWEST-MIDWEST INC DBA CENTURYLINK | IND. TELCO | More |
| 518 | 542 | ALBANY | New York | METROPCS, INC. | | More |
| 519 | 542 | SARNIA | Ontario | Bell Canada | IND. TELCO | More |
| 520 | 542 | TUCSON | Arizona | LEVEL 3 COMMUNICATIONS, LLC - AZ | | More |
| 530 | 542 | SOUTHTAHOE | California | PACIFIC BELL | RBOC | More |
| 539 | 542 | JENNINGS | Oklahoma | FRACTEL, LLC | | More |
| 540 | 542 | WINCHESTER | Virginia | VERIZON VIRGINIA, INC. | RBOC | More |
| 541 | 542 | SENECA | Oregon | CENTURYTEL OF OREGON, INC. DBA CENTURYLINK | IND. TELCO | More |
| 559 | 542 | SPRINGVL | California | PACIFIC BELL | RBOC | More |
| 561 | 542 | DELRAY BCH | Florida | OMNIPOINT MIAMI E LICENSE, LLC | PCS | More |
| 562 | 542 | DOWNEY | California | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 563 | 542 | DUBUQUE | Iowa | UNITED STATES CELLULAR - IA | WIRELESS PROV | More |
| 570 | 542 | SHICKSHINY | Pennsylvania | COMMONWEALTH TELEPHONE COMPANY LLC | IND. TELCO | More |
| 571 | 542 | DALE CITY | Virginia | COX VIRGINIA TELCOM, INC. - VA | CLEC | More |
| 573 | 542 | CHARLESTON | Missouri | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 574 | 542 | MONTEREY | Indiana | UNITED TEL. CO. OF INDIANA, INC. DBA CENTURYLINK | IND. TELCO | More |
| 575 | 542 | LORDSBURG | New Mexico | WESTERN NEW MEXICO TEL. CO., INC. | IND. TELCO | More |
| 580 | 542 | ENID | Oklahoma | CELLULAR NETWORK PARTNERSHIP | WIRELESS PROV | More |
| 585 | 542 | AKRON | New York | VERIZON NEW YORK, INC. | RBOC | More |
| 601 | 542 | OSYKA | Mississippi | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | RBOC | More |
| 602 | 542 | PHOENIX | Arizona | QWEST CORPORATION | RBOC | More |
| 603 | 542 | CLAREMONT | New Hampshire | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH | RBOC | More |
| 604 | 542 | WHITE ROCK | British Columbia | TELUS | IND. TELCO | More |
| 605 | 542 | ELKTON | South Dakota | INTERSTATE TELECOM COOP, INC. - SD | IND. TELCO | More |
| 606 | 542 | FLAT LICK | Kentucky | WINDSTREAM KENTUCKY EAST, INC. - LONDON | | More |
| 607 | 542 | CORNING | New York | NEW CINGULAR WIRELESS PCS, LLC - DC | WIRELESS PROV | More |
| 608 | 542 | CAMPDOUGLS | Wisconsin | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 609 | 542 | LAMBERTVL | New Jersey | LEVEL 3 COMMUNICATIONS, LLC - NJ | CLEC | More |
| 610 | 542 | PHPHSBZN25 | Pennsylvania | TELEPORT COMMUNICATIONS AMERICA, LLC - PA | CLEC | More |
| 612 | 542 | TWINCITIES | Minnesota | CALLWORKS CORPORATION | | More |
| 613 | 542 | KINGSTON | Ontario | Bell Canada | IND. TELCO | More |
| 614 | 542 | COLUMBUS | Ohio | OHIO BELL TEL CO | RBOC | More |
| 615 | 542 | MURFREESBO | Tennessee | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN | WIRELESS PROV | More |
| 616 | 542 | ST JOSEPH | Michigan | SUNSET COAST PAGING | WIRELESS PROV | More |
| 617 | 542 | BOSTON | Massachusetts | VERIZON NEW ENGLAND INC. | RBOC | More |
| 618 | 542 | DU QUOIN | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 619 | 542 | SNDG SNDG | California | PACIFIC BELL | RBOC | More |
| 620 | 542 | COYVILLE | Kansas | ONVOY, LLC - KS | | More |
| 626 | 542 | EL MONTE | California | LEVEL 3 TELECOM OF CALIFORNIA, LP - CA | CLEC | More |
| 630 | 542 | ROSELLE | Illinois | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 631 | 542 | RONKONKOMA | New York | TELENGY L.L.C. - NY | | More |
| 636 | 542 | OFALLON | Missouri | WINDSTREAM NUVOX MISSOURI, LLC | CLEC | More |
| 646 | 542 | NWYRCYZN03 | New York | OMNIPOINT COMMUNICATIONS, INC. - NY | WIRELESS PROV | More |
| 650 | 542 | REDWOOD CITY | California | PACIFIC BELL | RBOC | More |
| 657 | 542 | HUNTITNBCH | California | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | WIRELESS PROV | More |
| 660 | 542 | CARROLLTON | Missouri | SOUTHWESTERN BELL | RBOC | More |
| 661 | 542 | MOJAVE | California | ONVOY, LLC - CA | | More |
| 662 | 542 | HOUSTON | Mississippi | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 678 | 542 | NORCROSS | Georgia | US LEC OF GEORGIA, INC. | CLEC | More |
| 701 | 542 | BALTA | North Dakota | NORTH DAKOTA TELEPHONE CO. | IND. TELCO | More |
| 702 | 542 | LAS VEGAS | Nevada | METROPCS, INC. | | More |
| 703 | 542 | ARCOLA | District of Columbia | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | CLEC | More |
| 704 | 542 | CHARLOTTE | North Carolina | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 705 | 542 | SAULT ST MARIE | Ontario | Bell Canada | IND. TELCO | More |
| 706 | 542 | ATHENS | Georgia | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 707 | 542 | SANTA ROSA | California | PACIFIC BELL | RBOC | More |
| 708 | 542 | SCHAUMBURG | Illinois | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 709 | 542 | COME BY CHANCE | Newfoundland | Aliant Telecom (NF) | IND. TELCO | More |
| 712 | 542 | CLARINDA | Iowa | WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH | | More |
| 713 | 542 | HOUSTON | Texas | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX | WIRELESS PROV | More |
| 714 | 542 | SANTA ANA | California | PACIFIC BELL | RBOC | More |
| 715 | 542 | SAYNER | Wisconsin | FRONTIER NORTH INC. - WI | IND. TELCO | More |
| 716 | 542 | AKRON | New York | VERIZON NEW YORK, INC. | RBOC | More |
| 717 | 542 | YORK | Pennsylvania | METROPCS, INC. | | More |
| 718 | 542 | NYCZ 3 | New York | VERIZON NEW YORK, INC. | RBOC | More |
| 719 | 542 | PUEBLO | Colorado | QWEST CORPORATION | RBOC | More |
| 720 | 542 | ARVADA | Colorado | QWEST CORPORATION | RBOC | More |
| 724 | 542 | MOUNT PLEASANT | Pennsylvania | VERIZON PENNSYLVANIA, INC. | RBOC | More |
| 727 | 542 | PLANT CITY | Florida | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - FL | WIRELESS PROV | More |
| 732 | 542 | EATONTOWN | New Jersey | VERIZON NEW JERSEY, INC. | RBOC | More |
| 734 | 542 | LIVONIA | Michigan | MICHIGAN BELL TEL CO | RBOC | More |
| 740 | 542 | CROOKSVL | Ohio | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 743 | 542 | ADVANCE | North Carolina | TON80 COMMUNICATIONS, LLC | | More |
| 757 | 542 | NORFOLK ZONE 2 | Virginia | COX VIRGINIA TELCOM, INC. - VA | CLEC | More |
| 760 | 542 | SAN DIEGO | California | ONVOY, LLC - CA | | More |
| 763 | 542 | GOLDEN VALLEY | Minnesota | QWEST CORPORATION | RBOC | More |
| 765 | 542 | RICHMOND | Indiana | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 770 | 542 | ATLANTA NORTHEAST | Georgia | DELTACOM, INC. - GA | CLEC | More |
| 773 | 542 | CHCZ 6 | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 774 | 542 | RUTLAND | Massachusetts | ONVOY, LLC - MA | | More |
| 775 | 542 | FERNLEY | Nevada | ONVOY, LLC - NV | | More |
| 780 | 542 | DRAYTON VALLEY | Alberta | TELUS | IND. TELCO | More |
| 781 | 542 | NEEDHAM | Massachusetts | PAETEC COMMUNICATIONS, INC. - MA | CLEC | More |
| 785 | 542 | EUDORA | Kansas | SOUTHWESTERN BELL | RBOC | More |
| 786 | 542 | MIAMI | Florida | AT&T CORP. | | More |
| 787 | 542 | SANTURCE | Puerto Rico | BEEPER EXPRESS OF PUERTO RICO, INC. | WIRELESS PROV | More |
| 801 | 542 | SALT LAKE CITY | Utah | LEVEL 3 COMMUNICATIONS, LLC - UT | | More |
| 802 | 542 | BURLINGTON | Vermont | NUSO, LLC | | More |
| 803 | 542 | COLUMBIA | South Carolina | AT&T CORP. | | More |
| 804 | 542 | CHARLOTTE COURT HOU | Virginia | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - VA | CLEC | More |
| 805 | 542 | SAN LUIS OBISPO | California | PACIFIC BELL | RBOC | More |
| 806 | 542 | AMARILLO | Texas | ONVOY, LLC - TX | | More |
| 808 | 542 | HONOLULU (OAHU ISLA | Hawaii | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 810 | 542 | WARREN | Michigan | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 812 | 542 | NEW ALBANY | Indiana | INDIANA BELL TEL CO INC | RBOC | More |
| 813 | 542 | TAMPACEN | Florida | BRIGHT HOUSE NTWS INFORMATION SVCS (FLORIDA) - FL | | More |
| 814 | 542 | MOUNT UNION | Pennsylvania | VERIZON PENNSYLVANIA, INC. | RBOC | More |
| 815 | 542 | THOMAS | Illinois | CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL | | More |
| 816 | 542 | HOLDEN | Missouri | ONVOY, LLC - MO | | More |
| 817 | 542 | FORT WORTH CRESTVIE | Texas | SOUTHWESTERN BELL | RBOC | More |
| 818 | 542 | LA CRESCENTA | California | PACIFIC BELL | RBOC | More |
| 819 | 542 | Sherbrooke | Quebec | 9163-7918 Quebec Inc | | More |
| 828 | 542 | LENOIR | North Carolina | AT&T CORP. | | More |
| 830 | 542 | SAN ANTONIO CAPITOL | Texas | BANDWIDTH.COM CLEC, LLC - TX | | More |
| 832 | 542 | HOUSTON | Texas | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 843 | 542 | WALTERBORO | South Carolina | FRONTIER COMMUNICATIONS OF THE CAROLINAS INC. - SC | IND. TELCO | More |
| 845 | 542 | NEWBURGH | New York | NEW CINGULAR WIRELESS PCS, LLC - DC | WIRELESS PROV | More |
| 847 | 542 | SCHAUMBURG | Illinois | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 850 | 542 | FTWALTNBCH | Florida | AT&T CORP. | | More |
| 856 | 542 | LAUREL SPRINGS | New Jersey | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NJ | CLEC | More |
| 860 | 542 | NORFOLK | Connecticut | SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT | IND. TELCO | More |
| 864 | 542 | SPARTANBURG | South Carolina | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 870 | 542 | FOREMAN | Arkansas | WALNUT HILL TEL. CO. | IND. TELCO | More |
| 901 | 542 | MEMPHIS | Tennessee | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | RBOC | More |
| 902 | 542 | WOLFVILLE | Nova Scotia | Aliant Telecom (NS) | IND. TELCO | More |
| 903 | 542 | XXXXXXXXXX | Texas | FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS | IND. TELCO | More |
| 904 | 542 | JACKSONVILLE | Florida | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 905 | 542 | STREETSVILLE | Ontario | Bell Canada | IND. TELCO | More |
| 906 | 542 | CHANNING | Michigan | MICHIGAN BELL TEL CO | RBOC | More |
| 907 | 542 | KASAAN | Alaska | ACS OF THE NORTHLAND, INC. | IND. TELCO | More |
| 908 | 542 | MILLINGTON | New Jersey | VERIZON NEW JERSEY, INC. | RBOC | More |
| 909 | 542 | CLAREMONT-SAN DIMAS | California | U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS | | More |
| 910 | 542 | LAURINBURG | North Carolina | SUNCOM DBA T-MOBILE USA | PCS | More |
| 912 | 542 | WARNER ROBINS | Georgia | BANDWIDTH.COM CLEC, LLC - GA | | More |
| 914 | 542 | NEWBURGH | New York | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY | WIRELESS PROV | More |
| 915 | 542 | EL PASO MAIN | Texas | SOUTHWESTERN BELL | RBOC | More |
| 916 | 542 | FOLSOM | California | BANDWIDTH.COM CLEC, LLC - CA | | More |
| 917 | 542 | NYCZ 1 | New York | VERIZON NEW YORK, INC. | RBOC | More |
| 918 | 542 | MIAMI | Oklahoma | SOUTHWESTERN BELL | RBOC | More |
| 919 | 542 | PITTSBORO | North Carolina | CAROLINA TEL AND TEL CO., LLC DBA CENTURYLINK | IND. TELCO | More |
| 920 | 542 | WISCONSIN | Wisconsin | TELEPORT COMMUNICATIONS AMERICA, LLC WI | CAP | More |
| 925 | 542 | WALNUT CRK | California | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | WIRELESS PROV | More |
| 928 | 542 | LAS VEGAS | Nevada | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 929 | 542 | NWYRCYZN15 | New York | VONAGE AMERICA LLC | | More |
| 931 | 542 | CLARKSVILLE | Tennessee | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | RBOC | More |
| 934 | 542 | BABYLON | New York | TON80 COMMUNICATIONS, LLC | | More |
| 936 | 542 | SEGNO | Texas | TON80 COMMUNICATIONS, LLC | | More |
| 937 | 542 | DAYTON | Ohio | OHIO BELL TEL CO | RBOC | More |
| 941 | 542 | CAPE CORAL | Florida | CENTURYLINK OF FLORIDA, INC. (UNITED) | IND. TELCO | More |
| 945 | 542 | WAXAHACHIE | Texas | TON80 COMMUNICATIONS, LLC | | More |
| 948 | 542 | PARKSLEY | Virginia | TON80 COMMUNICATIONS, LLC | | More |
| 949 | 542 | LOS ANGELES | California | LEVEL 3 TELECOM OF CALIFORNIA, LP - CA | CLEC | More |
| 951 | 542 | RIVERSIDE | California | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 952 | 542 | GOLDEN VALLEY | Minnesota | QWEST CORPORATION | RBOC | More |
| 954 | 542 | FTLAUDERDL | Florida | CENTURYLINK COMMUNICATIONS, LLC | | More |
| 956 | 542 | BROWNSVILLE | Texas | SOUTHWESTERN BELL | RBOC | More |
| 970 | 542 | FORT MORGAN | Colorado | QWEST CORPORATION | RBOC | More |
| 972 | 542 | MCKINNEY | Texas | SOUTHWESTERN BELL | RBOC | More |
| 973 | 542 | NUTLEY | New Jersey | VERIZON NEW JERSEY, INC. | RBOC | More |
| 978 | 542 | SALEM | Massachusetts | VERIZON NEW ENGLAND INC. | RBOC | More |
| 979 | 542 | GIDDINGS | Texas | FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS | IND. TELCO | More |
| 984 | 542 | CHAPELHILL | North Carolina | TON80 COMMUNICATIONS, LLC | | More |
| 985 | 542 | HAMMOND | Louisiana | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | RBOC | More |
| 986 | 542 | MONTEVIEW | Idaho | TON80 COMMUNICATIONS, LLC | | More |
| 989 | 542 | FENWICK | Michigan | TELNET WORLDWIDE, INC. | CLEC | More |
|