Area
Code | Prefix | City/Switch Name
(Click for city search) | State/Prov.
Area Map | Telephone Company
Web link | Telco
Type | More
Info |
|---|
| 201 | 566 | FAIR LAWN | New Jersey | LEVEL 3 COMMUNICATIONS, LLC - NJ | CLEC | More |
| 202 | 566 | WSHNGTNZN1 | District of Columbia | VERIZON WASHINGTON DC, INC. | RBOC | More |
| 203 | 566 | STAMFORD | Connecticut | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT | CAP | More |
| 204 | 566 | OAK RIVER | Manitoba | MTS Inc. | IND. TELCO | More |
| 205 | 566 | BIRMINGHAM | Alabama | POWERTEL BIRMINGHAM LICENSES, INC. | WIRELESS PROV | More |
| 206 | 566 | SEATTLE | Washington | ONVOY, LLC - WA | | More |
| 207 | 566 | EMBDENLAKE | Maine | SOMERSET TEL. CO. | IND. TELCO | More |
| 208 | 566 | NU ACRES | Idaho | CAMBRIDGE TELEPHONE COMPANY, INC. DBA CTC TELECOM | | More |
| 209 | 566 | MODESTO | California | LEVEL 3 COMMUNICATIONS, LLC - CA | CLEC | More |
| 210 | 566 | SANANTONIO | Texas | SOUTHWESTERN BELL | RBOC | More |
| 212 | 566 | NWYRCYZN01 | New York | VERIZON NEW YORK, INC. | RBOC | More |
| 213 | 566 | LSAN DA 11 | California | FRACTEL, LLC | | More |
| 214 | 566 | GRANDPRARI | Texas | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 215 | 566 | PHLDLPHZN1 | Pennsylvania | VERIZON PENNSYLVANIA, INC. | RBOC | More |
| 216 | 566 | CLEVELAND | Ohio | OHIO BELL TEL CO | RBOC | More |
| 217 | 566 | WILLIAMSVL | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 218 | 566 | REMER | Minnesota | JOHNSON TEL. CO. | IND. TELCO | More |
| 224 | 566 | ALGONQUIN | Illinois | FRACTEL, LLC | | More |
| 225 | 566 | MARINGOUIN | Louisiana | TON80 COMMUNICATIONS, LLC | | More |
| 226 | 566 | Hespeler | Ontario | Fibernetics Corporation | | More |
| 228 | 566 | BAYSTLOUIS | Mississippi | GULF COAST WIRELESS LIMITED PARTNERSHIP | | More |
| 229 | 566 | ASHBURN | Georgia | WINDSTREAM GEORGIA COMMUNICATIONS CORP. | IND. TELCO | More |
| 231 | 566 | HARRIETTA | Michigan | TON80 COMMUNICATIONS, LLC | | More |
| 234 | 566 | MOGADORE | Ohio | FRACTEL, LLC | | More |
| 239 | 566 | NO NAPLES | Florida | CENTURYLINK OF FLORIDA, INC. (UNITED) | IND. TELCO | More |
| 240 | 566 | FREDERICK | Maryland | VERIZON MARYLAND, INC. | RBOC | More |
| 248 | 566 | BIRMINGHAM | Michigan | GLOBAL CROSSING TELEMANAGEMENT, INC. - MI | CLEC | More |
| 250 | 566 | VALEMOUNT | British Columbia | TELUS | IND. TELCO | More |
| 251 | 566 | GOSPORT | Alabama | ONVOY SPECTRUM, LLC | | More |
| 252 | 566 | LA GRANGE | North Carolina | CAROLINA TEL AND TEL CO., LLC DBA CENTURYLINK | IND. TELCO | More |
| 253 | 566 | TACOMA | Washington | QWEST CORPORATION | RBOC | More |
| 254 | 566 | TROY | Texas | ONVOY, LLC - TX | | More |
| 256 | 566 | DECATUR | Alabama | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 262 | 566 | MILWAUKEE | Wisconsin | FRACTEL, LLC | | More |
| 267 | 566 | PHPHSBZN43 | Pennsylvania | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA | WIRELESS PROV | More |
| 270 | 566 | RUSSELLSPG | Kentucky | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - KY | WIRELESS PROV | More |
| 276 | 566 | HURLEY | Virginia | VERIZON SOUTH, INC. - VA | IND. TELCO | More |
| 281 | 566 | SUGAR LAND | Texas | WINDSTREAM SUGAR LAND, LLC | IND. TELCO | More |
| 289 | 566 | Beamsville | Ontario | TELUS Integrated Communications | CLEC | More |
| 301 | 566 | WSNG236Z13 | Maryland | VERIZON MARYLAND, INC. | RBOC | More |
| 302 | 566 | HARRINGTON | Delaware | TELEPORT COMMUNICATIONS AMERICA, LLC - PA | CLEC | More |
| 303 | 566 | DENVER | Colorado | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | CLEC | More |
| 304 | 566 | CLARKSBURG | West Virginia | NEW CINGULAR WIRELESS PCS, LLC - DC | WIRELESS PROV | More |
| 305 | 566 | MIAMI | Florida | ABC PAGING CITY BEEPERS, INC. | WIRELESS PROV | More |
| 306 | 566 | REGINA | Saskatchewan | SaskTel | IND. TELCO | More |
| 308 | 566 | CHAPPELL | Nebraska | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NE | | More |
| 309 | 566 | PEORIA | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 310 | 566 | SNMN SNMN | California | U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS | | More |
| 312 | 566 | CHICGOZN01 | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 313 | 566 | DETROITZN1 | Michigan | MICHIGAN BELL TEL CO | RBOC | More |
| 314 | 566 | LADUE | Missouri | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 315 | 566 | POTSDAM | New York | OMNIPOINT COMMUNICATIONS, INC. - NY | WIRELESS PROV | More |
| 317 | 566 | CARMEL | Indiana | INDIANA BELL TEL CO INC | RBOC | More |
| 318 | 566 | RAYVILLE | Louisiana | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 319 | 566 | LIME SPRINGS | Iowa | TON80 COMMUNICATIONS, LLC | | More |
| 320 | 566 | RUSH CITY | Minnesota | ONVOY, LLC - MN | | More |
| 321 | 566 | COCOA | Florida | FRACTEL, LLC | | More |
| 323 | 566 | LSAN DA 06 | California | PACIFIC BELL | RBOC | More |
| 330 | 566 | CANTON | Ohio | AMERICAN MESSAGING SERVICES, LLC | | More |
| 334 | 566 | TROY | Alabama | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | RBOC | More |
| 336 | 566 | NOWILKESBO | North Carolina | SUNCOM DBA T-MOBILE USA | PCS | More |
| 337 | 566 | KROTZ SPG | Louisiana | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | RBOC | More |
| 346 | 566 | WESTFIELD | Texas | FRACTEL, LLC | | More |
| 347 | 566 | NEW YORK CITY ZONE | New York | BANDWIDTH.COM CLEC, LLC - NY | | More |
| 352 | 566 | DUNNELLON | Florida | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - FL | WIRELESS PROV | More |
| 360 | 566 | VANCOUVER | Washington | QWEST CORPORATION | RBOC | More |
| 361 | 566 | ANNAROSE | Texas | VALLEY TEL. COOP., INC. | IND. TELCO | More |
| 385 | 566 | KAYSVILLE | Utah | TON80 COMMUNICATIONS, LLC | | More |
| 386 | 566 | DAYTONABCH | Florida | OMNIPOINT MIAMI E LICENSE, LLC | PCS | More |
| 401 | 566 | JAMESTOWN | Rhode Island | LEVEL 3 COMMUNICATIONS, LLC - RI | CLEC | More |
| 402 | 566 | DWIGHT | Nebraska | WINDSTREAM NEBRASKA, INC. | IND. TELCO | More |
| 403 | 566 | CESSFORD | Alberta | TELUS | IND. TELCO | More |
| 404 | 566 | ATLANTA | Georgia | METROPCS, INC. | | More |
| 405 | 566 | PRAGUE | Oklahoma | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 406 | 566 | STANFORD | Montana | TRIANGLE TEL. COOP. ASSN., INC. | IND. TELCO | More |
| 407 | 566 | CELEBRATN | Florida | SMART CITY TELECOM LLC DBA SMART CITY TELECOM | IND. TELCO | More |
| 408 | 566 | SNJS WEST | California | PACIFIC BELL | RBOC | More |
| 409 | 566 | PORTARTHUR | Texas | AERIAL COMMUNICATIONS, INC. | WIRELESS PROV | More |
| 410 | 566 | BALTIMORE | Maryland | VERIZON MARYLAND, INC. | RBOC | More |
| 412 | 566 | PTTSBGZON1 | Pennsylvania | VERIZON PENNSYLVANIA, INC. | RBOC | More |
| 413 | 566 | HAMPDEN | Massachusetts | VERIZON NEW ENGLAND INC. | RBOC | More |
| 414 | 566 | MILWAUKZN1 | Wisconsin | WISCONSIN BELL INC | RBOC | More |
| 415 | 566 | SNFC MT-EV | California | PACIFIC BELL | RBOC | More |
| 416 | 566 | TORONTO | Ontario | Rogers Communications Partnership (Wireless) | WIRELESS PROV | More |
| 417 | 566 | PRESTON | Missouri | RYSTEC, INC | | More |
| 418 | 566 | MATANE | Quebec | TELUS Quebec | IND. TELCO | More |
| 419 | 566 | MANSFIELD | Ohio | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH | WIRELESS PROV | More |
| 423 | 566 | LAFOLLETTE | Tennessee | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | RBOC | More |
| 424 | 566 | BEVERLYHLS | California | FRACTEL, LLC | | More |
| 434 | 566 | CHARLOTSVL | Virginia | LEVEL 3 COMMUNICATIONS, LLC - VA | CLEC | More |
| 435 | 566 | TOOELE | Utah | FIRSTDIGITAL TELECOM, LLC - UT | | More |
| 440 | 566 | HILLCREST | Ohio | TIME WARNER CABLE INFORMATION SVCS (OHIO) - OH | | More |
| 442 | 566 | VALLEY CTR | California | FRACTEL, LLC | | More |
| 443 | 566 | CHESAPKECY | Maryland | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | WIRELESS PROV | More |
| 450 | 566 | LACHUTE | Quebec | Bell Canada | IND. TELCO | More |
| 469 | 566 | ALLEN | Texas | RIGHT CALL LLC | | More |
| 470 | 566 | ATLANTA NE | Georgia | TELEPORT COMMUNICATIONS AMERICA, LLC - GA | CLEC | More |
| 480 | 566 | PHOENIX | Arizona | LEVEL 3 COMMUNICATIONS, LLC - AZ | | More |
| 484 | 566 | PHPHSBZN30 | Pennsylvania | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA | WIRELESS PROV | More |
| 501 | 566 | JONESMILLS | Arkansas | SOUTHWESTERN BELL | RBOC | More |
| 502 | 566 | LOUISVILLE | Kentucky | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | RBOC | More |
| 503 | 566 | SALEM | Oregon | QWEST CORPORATION | RBOC | More |
| 504 | 566 | NEWORLEANS | Louisiana | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | RBOC | More |
| 505 | 566 | FARMINGTON | New Mexico | QWEST CORPORATION | RBOC | More |
| 507 | 566 | WINNEBAGO | Minnesota | MCC TELEPHONY OF MINNESOTA, LLC - MN | | More |
| 508 | 566 | CATAUMET | Massachusetts | NEW CINGULAR WIRELESS PCS, LLC - DC | WIRELESS PROV | More |
| 509 | 566 | POMEROY | Washington | LEVEL 3 COMMUNICATIONS, LLC - WA | CLEC | More |
| 510 | 566 | HAYWARD | California | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | WIRELESS PROV | More |
| 512 | 566 | LAMPASAS | Texas | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 513 | 566 | CINCINNATI | Ohio | CINCINNATI BELL | IND. TELCO | More |
| 514 | 566 | Montreal | Quebec | Rogers Communications Partnership (Wireless) | WIRELESS PROV | More |
| 515 | 566 | RAKE | Iowa | WINNEBAGO COOP. TEL. ASSN. - IA | IND. TELCO | More |
| 516 | 566 | NASSAUZN05 | New York | VERIZON NEW YORK, INC. | RBOC | More |
| 517 | 566 | SUNFIELD | Michigan | CENTURYTEL MIDWEST-MIDWEST INC DBA CENTURYLINK | IND. TELCO | More |
| 518 | 566 | PLATTSBG | New York | VERIZON NEW YORK, INC. | RBOC | More |
| 519 | 566 | WINDSOR | Ontario | Rogers Communications Partnership (Wireless) | WIRELESS PROV | More |
| 520 | 566 | TUCSON | Arizona | QWEST CORPORATION | RBOC | More |
| 530 | 566 | CHICO | California | PACIFIC BELL | RBOC | More |
| 540 | 566 | ROANOKE | Virginia | VONAGE AMERICA LLC | | More |
| 541 | 566 | ATHENA | Oregon | QWEST CORPORATION | RBOC | More |
| 559 | 566 | THREERIVRS | California | LEVEL 3 COMMUNICATIONS, LLC - CA | CLEC | More |
| 561 | 566 | WPALMBEACH | Florida | PEERLESS NETWORK OF FLORIDA, LLC - FL | | More |
| 562 | 566 | PICORIVERA | California | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA | CLEC | More |
| 563 | 566 | LIME SPG | Iowa | WINDSTREAM IOWA COMMUNICATIONS, INC. | | More |
| 567 | 566 | BEAVERDAM | Ohio | FRACTEL, LLC | | More |
| 570 | 566 | BLOSSBURG | Pennsylvania | CORE COMMUNICATIONS, INC. - PA | | More |
| 571 | 566 | WSNGTNZN19 | Virginia | TELEPORT COMMUNICATIONS AMERICA, LLC - DC | CLEC | More |
| 573 | 566 | POTOSI | Missouri | WINDSTREAM MISSOURI, INC. | IND. TELCO | More |
| 574 | 566 | CLAYPOOL | Indiana | FRONTIER NORTH, INC.. - IN | IND. TELCO | More |
| 580 | 566 | BOSWELL | Oklahoma | SOUTHWESTERN BELL | RBOC | More |
| 585 | 566 | BLISS | New York | ONVOY, LLC- NY | | More |
| 586 | 566 | UTICA | Michigan | MICHIGAN BELL TEL CO | RBOC | More |
| 601 | 566 | JACKSON | Mississippi | METROPCS, INC. | | More |
| 602 | 566 | PHOENIX | Arizona | MCLEODUSA TELECOMMUNICATION SERVICES, INC. - AZ | CAP | More |
| 603 | 566 | NASHUA | New Hampshire | BELL ATLANTIC MOBILE, INC | WIRELESS PROV | More |
| 604 | 566 | Vancouver | British Columbia | Shaw Telecom Inc. | | More |
| 605 | 566 | WINNER | South Dakota | ONVOY, LLC - SD | | More |
| 606 | 566 | STAFORDSVL | Kentucky | FRACTEL, LLC | | More |
| 607 | 566 | AVOCA | New York | VERIZON NEW YORK, INC. | RBOC | More |
| 608 | 566 | PORTAGE | Wisconsin | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 609 | 566 | LAMBERTVL | New Jersey | ATX TELECOMMUNICATIONS SERVICES, LTD. | | More |
| 610 | 566 | PHPHSBZN12 | Pennsylvania | VERIZON PENNSYLVANIA, INC. | RBOC | More |
| 613 | 566 | OTTAWA | Ontario | Bell Canada | IND. TELCO | More |
| 614 | 566 | COLUMBUS | Ohio | OHIO BELL TEL CO | RBOC | More |
| 615 | 566 | NASHVILLE | Tennessee | POWERTEL NASHVILLE LICENSES, INC. | WIRELESS PROV | More |
| 616 | 566 | HOLLAND | Michigan | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI | WIRELESS PROV | More |
| 617 | 566 | BROOKLINE | Massachusetts | VERIZON NEW ENGLAND INC. | RBOC | More |
| 618 | 566 | MASCOUTAH | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 619 | 566 | HARBSNALPN | California | ONVOY, LLC - CA | | More |
| 620 | 566 | ELLINWOOD | Kansas | NEX-TECH WIRELESS, LLC | | More |
| 623 | 566 | PHOENIX | Arizona | QWEST CORPORATION | RBOC | More |
| 626 | 566 | ARCADIA | California | U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS | | More |
| 630 | 566 | AURORA | Illinois | LEVEL 3 COMMUNICATIONS, LLC - IL | CLEC | More |
| 631 | 566 | RIVERHEAD | New York | LEVEL 3 TELECOM OF NEW YORK, LP - NY | CLEC | More |
| 636 | 566 | WINFIELD | Missouri | CENTURYTEL MISSOURI LLC (SOUTHWEST)DBA CENTURYLINK | | More |
| 641 | 566 | RAKE | Iowa | WINNEBAGO COOP. TEL. ASSN. - IA | IND. TELCO | More |
| 646 | 566 | NEW YORK CITY ZONE | New York | ONVOY SPECTRUM, LLC | | More |
| 650 | 566 | PALO ALTO | California | PACIFIC BELL | RBOC | More |
| 657 | 566 | FULLERTON | California | FRACTEL, LLC | | More |
| 660 | 566 | CLEARMONT | Missouri | FRACTEL, LLC | | More |
| 661 | 566 | LOS ANGELES | California | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 662 | 566 | VERONA | Mississippi | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | RBOC | More |
| 667 | 566 | STEVENSVL | Maryland | COMMIO, LLC | | More |
| 678 | 566 | ALPHARETTA | Georgia | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 701 | 566 | FARGO | North Dakota | BANDWIDTH.COM CLEC, LLC - ND | | More |
| 702 | 566 | HENDERSON | Nevada | CENTRAL TEL. CO. - NEVADA DBA CENTURYLINK | IND. TELCO | More |
| 703 | 566 | WASHINGTON ZONE 8 | Virginia | COMCAST IP PHONE, LLC | | More |
| 704 | 566 | CHARLOTTE | North Carolina | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 705 | 566 | SUDBURY | Ontario | Bell Canada | IND. TELCO | More |
| 706 | 566 | COLUMBUS | Georgia | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - GA | WIRELESS PROV | More |
| 707 | 566 | SANTA ROSA | California | PACIFIC BELL | RBOC | More |
| 708 | 566 | CHICAGO | Illinois | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | CLEC | More |
| 709 | 566 | LaScie | Newfoundland | Bragg Communications Inc. | CLEC | More |
| 712 | 566 | UNDERWOOD | Iowa | QWEST CORPORATION | RBOC | More |
| 713 | 566 | HOUSTON MEDICAL CEN | Texas | SOUTHWESTERN BELL | RBOC | More |
| 714 | 566 | TUSTIN | California | PACIFIC BELL | RBOC | More |
| 715 | 566 | FREDERIC | Wisconsin | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI | WIRELESS PROV | More |
| 716 | 566 | BUFFALO | New York | PAETEC COMMUNICATIONS, INC. - NY | CLEC | More |
| 717 | 566 | HUMMELSTOWN | Pennsylvania | VERIZON PENNSYLVANIA, INC. | RBOC | More |
| 718 | 566 | NYCZ 6 | New York | VERIZON NEW YORK, INC. | RBOC | More |
| 719 | 566 | PUEBLO | Colorado | QWEST CORPORATION | RBOC | More |
| 720 | 566 | BROOMFIELD | Colorado | QWEST CORPORATION | RBOC | More |
| 724 | 566 | PITTSBURGH(NEW) | Pennsylvania | TELEPORT COMMUNICATIONS AMERICA, LLC - PA | CAP | More |
| 727 | 566 | FEATHER SOUND | Florida | FRONTIER FLORIDA LLC DBA FRONTIER COMM OF FLORIDA | IND. TELCO | More |
| 732 | 566 | KEYPORT | New Jersey | VERIZON NEW JERSEY, INC. | RBOC | More |
| 734 | 566 | PLYMOUTH | Michigan | AMERICAN MESSAGING SERVICES, LLC | | More |
| 740 | 566 | ATHENS | Ohio | FRONTIER NORTH, INC. - OH | IND. TELCO | More |
| 747 | 566 | GLENDALE | California | FRACTEL, LLC | | More |
| 757 | 566 | TOANO | Virginia | VERIZON VIRGINIA, INC. | RBOC | More |
| 760 | 566 | SAN DIEGO | California | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA | CLEC | More |
| 763 | 566 | MNPZ 9 | Minnesota | QWEST CORPORATION | RBOC | More |
| 765 | 566 | BURLINGTON | Indiana | INDIANA BELL TEL CO INC | RBOC | More |
| 770 | 566 | NORCROSS | Georgia | MERRYVILLE INVESTMENTS, LTD DBA BEST PAGE | WIRELESS PROV | More |
| 773 | 566 | CHICAGO ZONE 1 | Illinois | USA MOBILITY WIRELESS, INC. | WIRELESS PROV | More |
| 774 | 566 | FRANKLIN | Massachusetts | COMMIO, LLC | | More |
| 775 | 566 | GOLDFIELD | Nevada | FRACTEL, LLC | | More |
| 780 | 566 | Edmonton | Alberta | Rogers Communications Partnership (Wireless) | WIRELESS PROV | More |
| 781 | 566 | MARSHFIELD | Massachusetts | PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA | | More |
| 785 | 566 | POMONA | Kansas | UNITED TEL. CO. OF KANSAS DBA CENTURYLINK | IND. TELCO | More |
| 786 | 566 | MIAMI | Florida | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - FL | WIRELESS PROV | More |
| 787 | 566 | ARECIBO | Puerto Rico | SUNCOM DBA T-MOBILE USA | PCS | More |
| 801 | 566 | MIDVALE | Utah | QWEST CORPORATION | RBOC | More |
| 802 | 566 | WELLS | Vermont | ONVOY, LLC - VT | | More |
| 803 | 566 | COLUMBIA | South Carolina | SUNCOM DBA T-MOBILE USA | PCS | More |
| 804 | 566 | MIDLOTHIAN | Virginia | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | WIRELESS PROV | More |
| 805 | 566 | CARPINTERIA | California | FRONTIER CALIFORNIA INC. | IND. TELCO | More |
| 806 | 566 | NEEDMORE | Texas | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 808 | 566 | HONOLULU | Hawaii | HAWAIIAN TELCOM, INC. - HI | IND. TELCO | More |
| 812 | 566 | TELL CITY | Indiana | COMCAST IP PHONE, LLC | | More |
| 813 | 566 | TAMPASTH | Florida | INVOXIO INCORPORATED | | More |
| 814 | 566 | ERIE | Pennsylvania | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 815 | 566 | BELVIDERE | Illinois | LEVEL 3 COMMUNICATIONS, LLC - IL | CLEC | More |
| 816 | 566 | LONE JACK | Missouri | EMBARQ MISSOURI, INC. DBA CENTURYLINK - MO | IND. TELCO | More |
| 817 | 566 | DALLAS | Texas | CAPROCK TELECOMMUNICATIONS CORP. - TX | CLEC | More |
| 818 | 566 | BURBANK | California | PACIFIC BELL | RBOC | More |
| 819 | 566 | SHERBROOKE | Quebec | Bell Canada | IND. TELCO | More |
| 828 | 566 | MAGGIE VLY | North Carolina | WINDSTREAM NUVOX, INC. | CLEC | More |
| 831 | 566 | SANTA CRUZ | California | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | WIRELESS PROV | More |
| 832 | 566 | HOUSTON | Texas | AERIAL COMMUNICATIONS, INC. | WIRELESS PROV | More |
| 838 | 566 | TANNERSVL | New York | FRACTEL, LLC | | More |
| 843 | 566 | CHARLESTON | South Carolina | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 845 | 566 | NEWBURGH | New York | VERIZON NEW YORK, INC. | RBOC | More |
| 847 | 566 | LIBERTYVILLE | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 850 | 566 | TALLAHASSEE | Florida | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 856 | 566 | LAUREL SPRINGS | New Jersey | VERIZON NEW JERSEY, INC. | RBOC | More |
| 858 | 566 | SAN DIEGO | California | PACIFIC BELL | RBOC | More |
| 859 | 566 | LEXINGTON | Kentucky | WINDSTREAM KENTUCKY EAST, INC. - LEXINGTON | | More |
| 860 | 566 | HARTFORD | Connecticut | SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT | IND. TELCO | More |
| 863 | 566 | AVON PARK | Florida | AMERICAN MESSAGING SERVICES, LLC | WIRELESS PROV | More |
| 864 | 566 | GREENVILLE | South Carolina | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - SC | CLEC | More |
| 865 | 566 | KNOXVILLE | Tennessee | WINDSTREAM NUVOX, INC. | CLEC | More |
| 870 | 566 | BLOOMING GROVE | Arkansas | CENTURYTEL CENTRAL ARKANSAS, LLC DBA CENTURYLINK | | More |
| 901 | 566 | MEMPHIS | Tennessee | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | RBOC | More |
| 902 | 566 | CHARLOTTETOWN | PE | Aliant Telecom (PEI) | IND. TELCO | More |
| 903 | 566 | TYLER | Texas | SOUTHWESTERN BELL | RBOC | More |
| 904 | 566 | JACKSONVILLE | Florida | POWERTEL JACKSONVILLE LICENSES, INC. | WIRELESS PROV | More |
| 905 | 566 | COOKSVILLE | Ontario | Bell Canada | IND. TELCO | More |
| 907 | 566 | ANCHORAGE | Alaska | ACS OF ANCHORAGE, INC. | IND. TELCO | More |
| 908 | 566 | NEWARK | New Jersey | GLOBAL CROSSING LOCAL SERVICES, INC. - NJ | | More |
| 909 | 566 | LOS ANGELES - PAC W | California | BANDWIDTH.COM CLEC, LLC - CA | | More |
| 910 | 566 | SCOTTSHILL | North Carolina | US LEC OF NORTH CAROLINA, INC. | CLEC | More |
| 912 | 566 | ASHBURN | Georgia | PEERLESS NETWORK OF GEORGIA, LLC - GA | | More |
| 914 | 566 | NEWBURGH | New York | FRACTEL, LLC | | More |
| 915 | 566 | EL PASO EAST | Texas | SOUTHWESTERN BELL | RBOC | More |
| 916 | 566 | NORTH SACRAMENTO | California | PACIFIC BELL | RBOC | More |
| 917 | 566 | NEW YORK CITY ZONE | New York | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY | WIRELESS PROV | More |
| 918 | 566 | HEWINS | Kansas | TOTAH COMMUNICATIONS, INC. | IND. TELCO | More |
| 919 | 566 | SANFORD | North Carolina | WINDSTREAM NORTH CAROLINA, INC. | IND. TELCO | More |
| 920 | 566 | REDGRANITE | Wisconsin | CENTURYTEL MIDWEST-KENDALL LLC DBA CENTURYLINK | IND. TELCO | More |
| 925 | 566 | OAKLAND | California | TELEPORT COMMUNICATIONS AMERICA, LLC - CA | CLEC | More |
| 928 | 566 | LKHAVASUCY | Arizona | MERCURY VOICE AND DATA LLC DBA SUDDENLINK COMM-AZ | | More |
| 929 | 566 | NWYRCYZN04 | New York | ONVOY, LLC- NY | | More |
| 936 | 566 | MEMORIAL POINT | Texas | LAKE LIVINGSTON TEL. CO. | IND. TELCO | More |
| 937 | 566 | DAYTON | Ohio | LEVEL 3 COMMUNICATIONS, LLC - OH | CLEC | More |
| 940 | 566 | DENTON | Texas | FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS | IND. TELCO | More |
| 941 | 566 | NORTH NAPLES | Florida | CENTURYLINK OF FLORIDA, INC. (UNITED) | IND. TELCO | More |
| 947 | 566 | ORTONVILLE | Michigan | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI | WIRELESS PROV | More |
| 949 | 566 | BALBOA | California | PACIFIC BELL | RBOC | More |
| 951 | 566 | SUN CITY | California | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | WIRELESS PROV | More |
| 954 | 566 | FORT LAUDERDALE | Florida | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 956 | 566 | MCALLEN | Texas | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX | WIRELESS PROV | More |
| 959 | 566 | LEBANON | Connecticut | ONVOY, LLC - CT | | More |
| 970 | 566 | FORT COLLINS | Colorado | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 972 | 566 | DALLAS EMERSON | Texas | SOUTHWESTERN BELL | RBOC | More |
| 973 | 566 | BLOOMFIELD | New Jersey | VERIZON NEW JERSEY, INC. | RBOC | More |
| 978 | 566 | LAWRENCE | Massachusetts | CENTURYLINK COMMUNICATIONS, LLC | | More |
| 986 | 566 | CRAIGMONT | Idaho | FRACTEL, LLC | | More |
| 989 | 566 | MAYVILLE | Michigan | TON80 COMMUNICATIONS, LLC | | More |
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