Area
Code | Prefix | City/Switch Name
(Click for city search) | State/Prov.
Area Map | Telephone Company
Web link | Telco
Type | More
Info |
|---|
| 201 | 623 | RUTHERFORD | New Jersey | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | CLEC | More |
| 202 | 623 | WSHNGTNZN1 | District of Columbia | VERIZON WASHINGTON DC, INC. | RBOC | More |
| 203 | 623 | NEW HAVEN | Connecticut | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT | WIRELESS PROV | More |
| 204 | 623 | THE PAS | Manitoba | MTS Inc. | IND. TELCO | More |
| 205 | 623 | BIRMINGHAM | Alabama | LEVEL 3 COMMUNICATIONS, LLC - AL | | More |
| 206 | 623 | SEATTLE | Washington | QWEST CORPORATION | RBOC | More |
| 207 | 623 | AUGUSTA | Maine | CONSOLIDATED COMM OF NO. NEW ENGLAND-ME | RBOC | More |
| 208 | 623 | SPIRITLAKE | Idaho | ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER | IND. TELCO | More |
| 209 | 623 | STOCKTON | California | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 210 | 623 | SANANTONIO | Texas | SOUTHWESTERN BELL | RBOC | More |
| 212 | 623 | NWYRCYZN01 | New York | VERIZON NEW YORK, INC. | RBOC | More |
| 213 | 623 | LSAN DA 01 | California | PACIFIC BELL | RBOC | More |
| 214 | 623 | DALLAS | Texas | SOUTHWESTERN BELL | RBOC | More |
| 215 | 623 | PHPHSBZN34 | Pennsylvania | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | CLEC | More |
| 216 | 623 | CLEVELAND | Ohio | OHIO BELL TEL CO | RBOC | More |
| 217 | 623 | EDINBURG | Illinois | ILLINOIS CONSOLIDATED TEL. CO. | IND. TELCO | More |
| 218 | 623 | DULUTH | Minnesota | NEXTERA COMMUNICATIONS, LLC - MN | | More |
| 223 | 623 | QUARRYVL | Pennsylvania | ONVOY, LLC - PA | | More |
| 224 | 623 | ALGONQUIN | Illinois | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 225 | 623 | LUTCHER | Louisiana | VOICESTREAM GSM I, LLC | | More |
| 228 | 623 | PASCAGOULA | Mississippi | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 229 | 623 | PARROTT | Georgia | WINDSTREAM GEORGIA COMMUNICATIONS CORP. | IND. TELCO | More |
| 231 | 623 | WOLVERINE | Michigan | LUCRE, INC. | CLEC | More |
| 240 | 623 | WSHNGTNZN3 | Maryland | BANDWIDTH.COM CLEC, LLC - MD | | More |
| 248 | 623 | DRAYTON PL | Michigan | MICHIGAN BELL TEL CO | RBOC | More |
| 250 | 623 | Tumbler Ridge | British Columbia | Bell Mobility | WIRELESS PROV | More |
| 251 | 623 | MOBILE | Alabama | ELISKA WIRELESS VENTURES SUBSIDIARY I, LLC | PCS | More |
| 252 | 623 | WASHINGTON | South Carolina | SUNCOM DBA T-MOBILE USA | PCS | More |
| 254 | 623 | BYNUM | Texas | VALOR TELECOMM TX, LP-TX #1 DBA WINDSTREAM COMM SW | | More |
| 256 | 623 | FYFFE | Alabama | FARMERS TELECOMMUNICATIONS COOPERATIVE, INC. | IND. TELCO | More |
| 260 | 623 | MONROEVL | Indiana | FRONTIER NORTH, INC.. - IN | IND. TELCO | More |
| 262 | 623 | HUBERTUS | Wisconsin | TELEPORT COMMUNICATIONS AMERICA, LLC WI | CAP | More |
| 267 | 623 | PHLDLPHZN2 | Pennsylvania | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA | WIRELESS PROV | More |
| 269 | 623 | DELTON | Michigan | BARRY COUNTY TEL. CO. | IND. TELCO | More |
| 270 | 623 | FANCY FARM | Kentucky | WEST KENTUCKY RURAL TEL | IND. TELCO | More |
| 276 | 623 | ABINGDON | Virginia | UNITED TELEPHONE-SOUTHEAST-VA DBA CENTURYLINK-VA | IND. TELCO | More |
| 281 | 623 | HOUSTON | Texas | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 289 | 623 | Malton | Ontario | Fido Solutions Inc. | | More |
| 301 | 623 | WSNG236Z13 | District of Columbia | TELEPORT COMMUNICATIONS AMERICA, LLC - DC | CLEC | More |
| 302 | 623 | NEWARK | Delaware | VERIZON DELAWARE, INC. | RBOC | More |
| 303 | 623 | DENVER | Colorado | QWEST CORPORATION | RBOC | More |
| 304 | 623 | CLARKSBURG | West Virginia | FRONTIER WEST VIRGINIA INC. | RBOC | More |
| 305 | 623 | NORTH DADE | Florida | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 306 | 623 | SCEPTRE | Saskatchewan | SaskTel | IND. TELCO | More |
| 308 | 623 | MITCHELL | Nebraska | UNITED TEL CO OF THE WEST DBA CENTURYLINK - NE | IND. TELCO | More |
| 309 | 623 | MOLINE | Illinois | TWILIO INTERNATIONAL, INC. | | More |
| 310 | 623 | BEVERLYHLS | California | U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS | | More |
| 312 | 623 | CHICGOZN01 | Illinois | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 313 | 623 | DETROITZN5 | Michigan | OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC | | More |
| 314 | 623 | KIRKWOOD | Missouri | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 315 | 623 | CONSTANTIA | New York | VERIZON NEW YORK, INC. | RBOC | More |
| 317 | 623 | NEWPALSTIN | Indiana | GLOBAL CROSSING LOCAL SERVICES, INC. - IN | CLEC | More |
| 318 | 623 | ALEXANDRIA | Louisiana | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 319 | 623 | LADORA | Iowa | COOPERATIVE TEL. CO. | IND. TELCO | More |
| 323 | 623 | LSAN DA 14 | California | NORTH COUNTY COMMUNICATION CORPORATION - CA | CLEC | More |
| 325 | 623 | LOCKER | Texas | CENTRAL TEXAS TEL. COOP., INC. | IND. TELCO | More |
| 330 | 623 | YOUNGSTOWN | Ohio | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 334 | 623 | MCKENZIE | Alabama | CHARTER FIBERLINK - ALABAMA, LLC - AL | | More |
| 336 | 623 | EDEN | North Carolina | CENTRAL TEL. CO. OF NC DBA CENTURYLINK | IND. TELCO | More |
| 337 | 623 | MELVILLE | Louisiana | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | RBOC | More |
| 346 | 623 | SATSUMA | Texas | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 347 | 623 | NWYRCYZN06 | New York | METROPCS, INC. | | More |
| 352 | 623 | ARCHER | Florida | AT&T CORP. | | More |
| 360 | 623 | CENTRALIA | Washington | RAINIER CONNECT, INC. - WA | CLEC | More |
| 361 | 623 | ODEM | Texas | CLEARWIRE TELECOMMUNICATIONS SERVICES, LLC - TX | | More |
| 386 | 623 | LAKE CITY | Florida | POWERTEL JACKSONVILLE LICENSES, INC. | WIRELESS PROV | More |
| 401 | 623 | COVENTRY | Rhode Island | METROPCS, INC. | | More |
| 402 | 623 | ITHACA | Nebraska | WINDSTREAM NEBRASKA, INC. | IND. TELCO | More |
| 403 | 623 | LAC LA BICHE | Alberta | TELUS Mobility | CAP | More |
| 404 | 623 | ATLANTA | Georgia | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - GA | WIRELESS PROV | More |
| 405 | 623 | OKLA CITY | Oklahoma | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 406 | 623 | HARDIN | Montana | COMMIO, LLC | | More |
| 407 | 623 | WINTERPARK | Florida | CENTURYLINK OF FLORIDA, INC. (UNITED) | IND. TELCO | More |
| 408 | 623 | SNJS SOUTH | California | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 409 | 623 | BUNA | Texas | BAY STAR SATELLITE PAGING | WIRELESS PROV | More |
| 410 | 623 | MARION | Maryland | VERIZON MARYLAND, INC. | RBOC | More |
| 412 | 623 | PTTSBGZON1 | Pennsylvania | VERIZON PENNSYLVANIA, INC. | RBOC | More |
| 413 | 623 | BECKET | Massachusetts | VERIZON NEW ENGLAND INC. | RBOC | More |
| 415 | 623 | SNFC CNTRL | California | PACIFIC BELL | RBOC | More |
| 416 | 623 | Toronto | Ontario | TELUS Integrated Communications | CLEC | More |
| 417 | 623 | JOPLIN | Missouri | SOUTHWESTERN BELL | RBOC | More |
| 418 | 623 | QUEBEC | Quebec | Bell Canada | IND. TELCO | More |
| 419 | 623 | VAN WERT | Indiana | UNITED TEL. CO. OF OHIO DBA CENTURYLINK | IND. TELCO | More |
| 423 | 623 | NEWPORT | Tennessee | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | RBOC | More |
| 425 | 623 | BELLEVUE | Washington | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 430 | 623 | SULPHURSPG | Texas | OUTHERN TELCOM NETWORK, INC. - T | | More |
| 434 | 623 | LAWRENCEVL | Virginia | BANDWIDTH.COM CLEC, LLC - VA | | More |
| 435 | 623 | NEPHI | Utah | QWEST CORPORATION | RBOC | More |
| 440 | 623 | BEREA | Ohio | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 443 | 623 | GLENBURNIE | Maryland | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | WIRELESS PROV | More |
| 450 | 623 | ST EUSTACHE | Quebec | Bell Canada | IND. TELCO | More |
| 469 | 623 | GRANDPRARI | Texas | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 470 | 623 | GAINESVL | Georgia | ONVOY, LLC - GA | | More |
| 484 | 623 | SLATINGTON | Pennsylvania | LEVEL 3 COMMUNICATIONS, LLC - PA | CLEC | More |
| 501 | 623 | HOTSPRINGS | Arkansas | SOUTHWESTERN BELL | RBOC | More |
| 502 | 623 | LAWRENCEBG | Kentucky | WIN.NET TELECOMMUNICATIONS, INC. - KY | | More |
| 503 | 623 | DALLAS | Oregon | QWEST CORPORATION | RBOC | More |
| 504 | 623 | NEWORLEANS | Louisiana | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | RBOC | More |
| 505 | 623 | ROSWELL | New Mexico | ONVOY, LLC - NM | | More |
| 506 | 623 | NEWCASTLE | New Brunswick | Aliant Telecom(NB) | IND. TELCO | More |
| 507 | 623 | KENYON | Minnesota | ONVOY, LLC - MN | | More |
| 508 | 623 | FOXBORO | Massachusetts | PAETEC COMMUNICATIONS, INC. - MA | CLEC | More |
| 509 | 623 | SPOKANE | Washington | QWEST CORPORATION | RBOC | More |
| 510 | 623 | FRNK OLIVR | California | PACIFIC BELL | RBOC | More |
| 512 | 623 | AUSTIN | Texas | SOUTHWESTERN BELL | RBOC | More |
| 513 | 623 | CINCINNATI | Ohio | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 514 | 623 | Montreal | Quebec | Fido Solutions Inc. | | More |
| 515 | 623 | MONTEZUMA | Iowa | WINDSTREAM MONTEZUMA, LLC | IND. TELCO | More |
| 516 | 623 | NASSAUZN06 | New York | VERIZON NEW YORK, INC. | RBOC | More |
| 517 | 623 | DANSVILLE | Michigan | MICHIGAN BELL TEL CO | RBOC | More |
| 518 | 623 | WARRENSBG | New York | VERIZON NEW YORK, INC. | RBOC | More |
| 519 | 623 | GALT | Ontario | Bell Canada | IND. TELCO | More |
| 520 | 623 | TUCSON | Arizona | QWEST CORPORATION | RBOC | More |
| 530 | 623 | WEAVERVL | California | FRONTIER CALIFORNIA INC. | IND. TELCO | More |
| 540 | 623 | FREDECKSBG | Virginia | NEW CINGULAR WIRELESS PCS, LLC - DC | WIRELESS PROV | More |
| 541 | 623 | COTTAGEGRV | Oregon | ONVOY, LLC - OR | | More |
| 559 | 623 | VISALIA | California | PACIFIC BELL | RBOC | More |
| 561 | 623 | WPALMBEACH | Florida | LEVEL 3 COMMUNICATIONS, LLC - FL | CLEC | More |
| 562 | 623 | NORWALK | California | FRONTIER CALIFORNIA INC. | IND. TELCO | More |
| 567 | 623 | HURON | Ohio | BUCKEYE TELESYSTEM, INC. - OH | CAP | More |
| 570 | 623 | LITTLE MDW | Pennsylvania | CITIZENS TELECOMM CO OF NY DBA FRONTIER COMM OF NY | IND. TELCO | More |
| 571 | 623 | WSNGTNZN17 | Virginia | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA | WIRELESS PROV | More |
| 573 | 623 | OATES | Missouri | ONVOY, LLC - MO | | More |
| 575 | 623 | ROSWELL | New Mexico | QWEST CORPORATION | RBOC | More |
| 580 | 623 | WATONGA | Oklahoma | PIONEER TEL. COOP., INC. | IND. TELCO | More |
| 581 | 623 | Forestville | Quebec | TELUS Mobility | PCS | More |
| 585 | 623 | ROCHESTER | New York | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY | WIRELESS PROV | More |
| 586 | 623 | ROMEO | Michigan | LEVEL 3 COMMUNICATIONS, LLC - MI | CLEC | More |
| 601 | 623 | HAZLEHURST | Mississippi | TELEPAK NETWORKS, INC. - MS | | More |
| 603 | 623 | MANCHESTER | New Hampshire | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH | RBOC | More |
| 604 | 623 | VANCOUVER | British Columbia | TELUS | IND. TELCO | More |
| 605 | 623 | REVILLO | South Dakota | INTERSTATE TELECOM COOP, INC. - SD | IND. TELCO | More |
| 606 | 623 | FREEBURN | Kentucky | EAST KENTUCKY NETWRK, LLC DBA APPALACHIAN WIRELESS | WIRELESS PROV | More |
| 608 | 623 | COBB | Wisconsin | FRONTIER NORTH INC. - WI | IND. TELCO | More |
| 609 | 623 | HAMMONTON | New Jersey | ONVOY, LLC - NJ | | More |
| 610 | 623 | PHPHSBZN17 | Pennsylvania | VERIZON PENNSYLVANIA, INC. | RBOC | More |
| 612 | 623 | TWINCITIES | Minnesota | QWEST CORPORATION | RBOC | More |
| 613 | 623 | ARNPRIOR | Ontario | Bell Canada | IND. TELCO | More |
| 614 | 623 | GROVE CITY | Ohio | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH | WIRELESS PROV | More |
| 615 | 623 | GALLATIN | Tennessee | BANDWIDTH.COM CLEC, LLC - TN | | More |
| 616 | 623 | DELTON | Michigan | BARRY COUNTY TEL. CO. | IND. TELCO | More |
| 617 | 623 | SOMERVILLE | Massachusetts | VERIZON NEW ENGLAND INC. | RBOC | More |
| 618 | 623 | COLLINSVL | Missouri | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 619 | 623 | CHULAVISTA | California | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 620 | 623 | HANSTON | Kansas | UNITED TEL. ASSN., INC. | IND. TELCO | More |
| 626 | 623 | ARCADIA | California | LEVEL 3 TELECOM OF CALIFORNIA, LP - CA | CLEC | More |
| 630 | 623 | HINSDALE | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 631 | 623 | HUNTINGTON | New York | TC SYSTEMS, INC. - NY | CAP | More |
| 641 | 623 | MONTEZUMA | Iowa | WINDSTREAM MONTEZUMA, LLC | IND. TELCO | More |
| 646 | 623 | NEW YORK CITY ZONE | New York | OMNIPOINT COMMUNICATIONS, INC. - NY | WIRELESS PROV | More |
| 647 | 623 | Toronto | Ontario | Rogers Communications Partnership (Wireless) | WIRELESS PROV | More |
| 650 | 623 | MOUNTAIN VIEW | California | PACIFIC BELL | RBOC | More |
| 657 | 623 | ANAHEIM | California | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 660 | 623 | TARKIO | Missouri | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 661 | 623 | TAFT | California | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 662 | 623 | OAKLAND | Mississippi | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | RBOC | More |
| 678 | 623 | ATLANTA | Georgia | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 701 | 623 | MEDORA | North Dakota | MIDSTATE TEL. CO. | IND. TELCO | More |
| 702 | 623 | LAS VEGAS | Nevada | BANDWIDTH.COM CLEC, LLC - NV | | More |
| 703 | 623 | WASHINGTON ZONE 8 | Virginia | NEW CINGULAR WIRELESS PCS, LLC - DC | WIRELESS PROV | More |
| 704 | 623 | CHARLOTTE | North Carolina | USA MOBILITY WIRELESS, INC. | WIRELESS PROV | More |
| 705 | 623 | BARRIE | Ontario | TELUS Mobility | CAP | More |
| 706 | 623 | EATONTON | Georgia | LEVEL 3 COMMUNICATIONS, LLC - GA | CLEC | More |
| 707 | 623 | SANTA CLARA | California | LEVEL 3 COMMUNICATIONS, LLC - CA | CLEC | More |
| 708 | 623 | ELK GROVE | Illinois | LEVEL 3 COMMUNICATIONS, LLC - IL | CLEC | More |
| 709 | 623 | GRIQUET | Newfoundland | Aliant Telecom (NF) | IND. TELCO | More |
| 712 | 623 | RED OAK | Iowa | QWEST CORPORATION | RBOC | More |
| 713 | 623 | HOUSTON NATIONAL | Texas | SOUTHWESTERN BELL | RBOC | More |
| 714 | 623 | LOS ANGELES | California | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 715 | 623 | ANTIGO | Wisconsin | FRONTIER NORTH INC. - WI | IND. TELCO | More |
| 716 | 623 | TONAWANDA | New York | VERIZON NEW YORK, INC. | RBOC | More |
| 717 | 623 | HARRISBURG CITY ZON | Pennsylvania | D&E/OMNIPOINT WIREL JOINT VENT LP DBA PCS ONE | PCS | More |
| 718 | 623 | NYCZ 6 | New York | VERIZON NEW YORK, INC. | RBOC | More |
| 719 | 623 | COLORADO SPRINGS | Colorado | LEVEL 3 COMMUNICATIONS, LLC - CO | CLEC | More |
| 720 | 623 | DENVER | Colorado | ONVOY, LLC - CO | | More |
| 724 | 623 | GLENWILLARD | Pennsylvania | CHOICE ONE COMMUNICATIONS, INC. - PA | CLEC | More |
| 727 | 623 | CLEARWATER | Florida | METROPCS, INC. | | More |
| 731 | 623 | JACKSON | Tennessee | US LEC OF TENNESSEE, INC. | CLEC | More |
| 732 | 623 | NEW BRUNSWICK | New Jersey | TELEPORT COMMUNICATIONS AMERICA, LLC - NJ | CAP | More |
| 734 | 623 | ANN ARBOR | Michigan | MICHIGAN BELL TEL CO | RBOC | More |
| 740 | 623 | COSHOCTON | Ohio | OHIO BELL TEL CO | RBOC | More |
| 757 | 623 | NFKZ 2 | Virginia | VERIZON VIRGINIA, INC. | RBOC | More |
| 760 | 623 | YUCCA VALLEY | California | AT&T CORP. | | More |
| 765 | 623 | ANDERSON | Indiana | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN | WIRELESS PROV | More |
| 770 | 623 | DULUTH | Georgia | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 773 | 623 | CHICAGO | Illinois | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 774 | 623 | BARNSTABLE | Massachusetts | TON80 COMMUNICATIONS, LLC | | More |
| 775 | 623 | WINNEMUCCA | Nevada | NEVADA BELL | RBOC | More |
| 780 | 623 | LAC LA BICHE | Alberta | TELUS | IND. TELCO | More |
| 781 | 623 | LYNNFIELD | Massachusetts | XO MASSACHUSETS, INC. | CLEC | More |
| 785 | 623 | HAYS | Kansas | SOUTHWESTERN BELL | RBOC | More |
| 786 | 623 | MIAMI | Florida | OMNIPOINT MIAMI E LICENSE, LLC | PCS | More |
| 787 | 623 | BARCELONETA | Puerto Rico | LIBERTY MOBILE PUERTO RICO INC. | CLEC | More |
| 801 | 623 | PROVO | Utah | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 802 | 623 | WHITING | Vermont | SHOREHAM TELEPHONE LLC | IND. TELCO | More |
| 803 | 623 | FORT MILL | South Carolina | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 804 | 623 | MIDLOTHIAN | Virginia | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - VA | CLEC | More |
| 805 | 623 | SANTAMARIA | California | LEVEL 3 COMMUNICATIONS, LLC - CA | CLEC | More |
| 806 | 623 | DICKENS | Texas | CAP ROCK TELEPHONE COOPERATIVE | IND. TELCO | More |
| 807 | 623 | THUNDER BAY | Ontario | Thunder Bay Telephone | IND. TELCO | More |
| 808 | 623 | MILILANI | Hawaii | HAWAIIAN TELCOM, INC. - HI | IND. TELCO | More |
| 810 | 623 | MT CLEMENS | Michigan | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI | WIRELESS PROV | More |
| 812 | 623 | SUNMAN | Indiana | SUNMAN TELECOMMUNICATIONS CORPORATION | IND. TELCO | More |
| 813 | 623 | TAMPA | Florida | FRONTIER FLORIDA LLC DBA FRONTIER COMM OF FLORIDA | IND. TELCO | More |
| 814 | 623 | BEDFORD | Pennsylvania | UNITED TEL CO. OF PENNSYLVANIA DBA CENTURYLINK | IND. TELCO | More |
| 815 | 623 | ROSCOE | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 816 | 623 | KANSAS CITY LEES SU | Missouri | SOUTHWESTERN BELL | RBOC | More |
| 817 | 623 | FORT WORTH | Texas | LOGIX COMMUNICATIONS CORPORATION - TX | CLEC | More |
| 818 | 623 | NORTH HOLLYWOOD | California | PACIFIC BELL | RBOC | More |
| 819 | 623 | MONT LAURIER | Quebec | Telebec Ltee. | IXC | More |
| 828 | 623 | SUIT | North Carolina | AT&T CORP. | | More |
| 830 | 623 | KARNES CITY | Texas | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 831 | 623 | SAN JUAN | California | PACIFIC BELL | RBOC | More |
| 832 | 623 | BEACH CITY | Texas | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 843 | 623 | CHESTERFIELD | South Carolina | SANDHILL TEL. COOP., INC. | IND. TELCO | More |
| 845 | 623 | PEARL RIVER | New York | VERIZON NEW YORK, INC. | RBOC | More |
| 847 | 623 | WAUKEGAN | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 850 | 623 | MILTON | Florida | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 856 | 623 | WOODBURY | New Jersey | FIVE9, INC. | | More |
| 858 | 623 | SAN DIEGO | California | PACIFIC BELL | RBOC | More |
| 859 | 623 | RICHMOND | Kentucky | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | RBOC | More |
| 860 | 623 | WINDSOR LOCKS | Connecticut | SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT | IND. TELCO | More |
| 863 | 623 | OKEECHOBEE | Florida | CENTURYLINK OF FLORIDA, INC. (UNITED) | IND. TELCO | More |
| 864 | 623 | CLEMSON | South Carolina | DELTACOM, INC. - SC | CLEC | More |
| 870 | 623 | BLYTHEVILLE | Arkansas | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 873 | 623 | Waterville | Quebec | 9163-7918 Quebec Inc | | More |
| 901 | 623 | MEMPHIS | Tennessee | US LEC OF TENNESSEE, INC. | CLEC | More |
| 902 | 623 | PORT HAWKESBURY BAY | PE | Aliant Telecom (NS) | IND. TELCO | More |
| 903 | 623 | WINDOM | Texas | FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS | IND. TELCO | More |
| 904 | 623 | JACKSONVL | Florida | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 905 | 623 | BOWMANVILLE | Ontario | Bell Canada | IND. TELCO | More |
| 906 | 623 | MICHIGAMME FOREST | Michigan | PENINSULA FIBER NETWORK, LLC - MI | | More |
| 907 | 623 | SITKA | Alaska | GCI COMMUNICATION CORP. DBA GENERAL COMMUNICATION | CLEC | More |
| 908 | 623 | UNIONVILLE (UNION) | New Jersey | OMNIPOINT COMMUNICATIONS, INC. - NJ | WIRELESS PROV | More |
| 909 | 623 | POMONA | California | FRONTIER CALIFORNIA INC. | IND. TELCO | More |
| 910 | 623 | RAEFORD | North Carolina | TIME WARNER CBL INFO SVC (NC) DBA TIME WARNER CBL | | More |
| 912 | 623 | PARROTT | Georgia | BULLOCH CELLULAR, INC. - GA | | More |
| 914 | 623 | NASSAU ZONES 2 3 5 | New York | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | CLEC | More |
| 915 | 623 | LOCKER | Texas | CENTRAL TEXAS TEL. COOP., INC. | IND. TELCO | More |
| 916 | 623 | SACRAMENTO | California | CENTURYLINK COMMUNICATIONS, LLC | | More |
| 917 | 623 | NEW YORK CITY ZONE | New York | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY | WIRELESS PROV | More |
| 918 | 623 | OKEMAH | Oklahoma | SOUTHWESTERN BELL | RBOC | More |
| 919 | 623 | RALEIGH | North Carolina | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC | WIRELESS PROV | More |
| 920 | 623 | COLUMBUS | Wisconsin | WISCONSIN BELL INC | RBOC | More |
| 925 | 623 | SAN FRANCISO OAKLAN | California | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 929 | 623 | NWYRCYZN10 | New York | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | CLEC | More |
| 931 | 623 | LYLES | Tennessee | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 937 | 623 | DAYTON | Ohio | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH | WIRELESS PROV | More |
| 940 | 623 | BOWIE | Texas | CHOICE WIRELESS, LC | | More |
| 941 | 623 | PORT CHARLOTTE | Florida | CENTURYLINK OF FLORIDA, INC. (UNITED) | IND. TELCO | More |
| 949 | 623 | LOS ANGELES | California | TELEPORT COMMUNICATIONS AMERICA, LLC - CA | CLEC | More |
| 951 | 623 | PERRIS | California | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 954 | 623 | OJUS | Florida | TELEPORT COMMUNICATIONS AMERICA, LLC - FL | CLEC | More |
| 956 | 623 | MCALLEN | Texas | USA MOBILITY WIRELESS, INC. | WIRELESS PROV | More |
| 970 | 623 | GRAND JCT | Colorado | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO | WIRELESS PROV | More |
| 972 | 623 | DALLAS MIDCITIES | Texas | SOUTHWESTERN BELL | RBOC | More |
| 973 | 623 | NEWARK | New Jersey | VERIZON NEW JERSEY, INC. | RBOC | More |
| 978 | 623 | ANDOVER | Massachusetts | VERIZON NEW ENGLAND INC. | RBOC | More |
| 989 | 623 | BAD AXE | Michigan | COMCAST IP PHONE, LLC | | More |
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