Area
Code | Prefix | City/Switch Name
(Click for city search) | State/Prov.
Area Map | Telephone Company
Web link | Telco
Type | More
Info |
|---|
| 201 | 574 | RAMSEY | New Jersey | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | CLEC | More |
| 202 | 574 | WSHNGTNZN1 | District of Columbia | VERIZON WASHINGTON, DC INC. | RBOC | More |
| 203 | 574 | WATERBURY | Connecticut | SOUTHERN NEW ENGLAND TELEPHONE CO. | IND. TELCO | More |
| 204 | 574 | Brandon | Manitoba | MTS Inc. | | More |
| 205 | 574 | LISMAN | Alabama | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL | WIRELESS PROV | More |
| 206 | 574 | SEATTLE | Washington | QWEST CORPORATION | RBOC | More |
| 207 | 574 | PORTLAND | Maine | NO NEW ENGLAND TEL OP DBA FAIRPOINT COMM - ME | RBOC | More |
| 208 | 574 | WAYAN | Idaho | COLUMBINE TELCO DBA SILVER STAR COMMUNICATIPMS | IND. TELCO | More |
| 209 | 574 | MODESTO | California | PACIFIC BELL | RBOC | More |
| 210 | 574 | BROWNSVILLE | Texas | METRO PCS, INC. | | More |
| 212 | 574 | NWYRCYZN01 | New York | VERIZON NEW YORK, INC. | RBOC | More |
| 214 | 574 | DALLAS | Texas | SOUTHWESTERN BELL | RBOC | More |
| 215 | 574 | PHLDLPHZN1 | Pennsylvania | VERIZON PENNSYLVANIA, INC. | RBOC | More |
| 216 | 574 | CLEVELAND | Ohio | AMERITECH OHIO | RBOC | More |
| 217 | 574 | TOWER HILL | Illinois | SBC INTERNET SERVICES, INC. | | More |
| 218 | 574 | MAPLE BAY | Minnesota | GARDEN VALLEY TELEPHONE CO. | IND. TELCO | More |
| 228 | 574 | GULFPORT | Mississippi | AT&T LOCAL | CLEC | More |
| 229 | 574 | OCHLOCKNEE | Georgia | WINDSTREAM GEORGIA TELEPHONE, INC. | IND. TELCO | More |
| 239 | 574 | NCAPECORAL | Florida | EMBARQ FLORIDA, INC. DBA CENTURYLINK | IND. TELCO | More |
| 240 | 574 | WALDORF | Maryland | SPRINT SPECTRUM L.P. | PCS | More |
| 248 | 574 | DETROIT | Michigan | CLEAR RATE COMMUNICATIONS, INC. - MI | | More |
| 250 | 574 | SOUTH KAMLOOPS | British Columbia | Rogers Communications Partnership (Wireless) | WIRELESS PROV | More |
| 251 | 574 | MOBILE | Alabama | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | RBOC | More |
| 252 | 574 | JACKSON | North Carolina | CAROLINA TEL AND TEL CO., LLC DBA CENTURYLINK | IND. TELCO | More |
| 256 | 574 | SCOTTSBORO | Alabama | CENTURYTEL TEL AL LLC (SOUTHERN) DBA CENTURYLINK | | More |
| 262 | 574 | WAUKESHA | Wisconsin | AMERITECH WISCONSIN | RBOC | More |
| 267 | 574 | PHPHSBZN40 | Pennsylvania | OMNIPOINT COMMUNICATIONS ENTERPRISES, L.P. | WIRELESS PROV | More |
| 270 | 574 | OWENSBORO | Kentucky | TOUCHTONE COMMUNICATIONS, INC. DBA ALEC, INC. - KY | LOCAL RESELLER | More |
| 281 | 574 | KATY | Texas | CONSOLIDATED COMMUNICATIONS OF FORT BEND COMPANY | IND. TELCO | More |
| 289 | 574 | Schomberg | Ontario | Telnet Communications | | More |
| 301 | 574 | WSNG236Z15 | Maryland | VERIZON MARYLAND, INC. | RBOC | More |
| 302 | 574 | WILMINGTON | Delaware | VERIZON DELAWARE, INC. | RBOC | More |
| 303 | 574 | DENVER | Colorado | QWEST CORPORATION | RBOC | More |
| 304 | 574 | FAYETTEVL | West Virginia | FRONTIER WEST VIRGINIA INC. | RBOC | More |
| 305 | 574 | PERRINE | Florida | XO FLORIDA, INC. | CLEC | More |
| 306 | 574 | PLATO | Saskatchewan | SaskTel | IND. TELCO | More |
| 307 | 574 | | Wyoming | QWEST CORPORATION | RBOC | More |
| 309 | 574 | ALEDO | Illinois | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | WIRELESS PROV | More |
| 310 | 574 | SNMN MRVS | California | VERIZON CALIFORNIA INC.-CA (GTE) | IND. TELCO | More |
| 312 | 574 | CHICGOZN01 | Illinois | AMERITECH ILLINOIS | RBOC | More |
| 313 | 574 | DETROITZN5 | Michigan | SPRINT SPECTRUM L.P. | PCS | More |
| 314 | 574 | ST LOUIS | Missouri | SPRINT SPECTRUM L.P. | PCS | More |
| 315 | 574 | HERKIMER | New York | NORTHLAND NETWORKS | CLEC | More |
| 317 | 574 | CARMEL | Indiana | AMERITECH INDIANA | RBOC | More |
| 318 | 574 | TALLULAH | Louisiana | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | RBOC | More |
| 319 | 574 | DELMAR | Iowa | F&B COMMUNICATIONS, INC. - IA | CLEC | More |
| 320 | 574 | CLARA CITY | Minnesota | MCC TELEPHONY OF MINNESOTA, LLC - MN | | More |
| 321 | 574 | MELBOURNE | Florida | XO FLORIDA, INC. | CLEC | More |
| 323 | 574 | LSAN DA 14 | California | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | WIRELESS PROV | More |
| 325 | 574 | SNYDER | Texas | SOUTHWESTERN BELL | RBOC | More |
| 330 | 574 | NILES | Ohio | AT&T LOCAL | CLEC | More |
| 334 | 574 | MOBILE | Alabama | BRIGHT HOUSE NTWS INFORMATION SVCS (ALABAMA) - AL | | More |
| 336 | 574 | GREENSBORO | North Carolina | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 347 | 574 | NWYRCYZN06 | New York | NEW CINGULAR WIRELESS PCS, LLC - DC | WIRELESS PROV | More |
| 360 | 574 | VANCOUVER | Washington | QWEST CORPORATION | RBOC | More |
| 361 | 574 | VICTORIA | Texas | SOUTHWESTERN BELL | RBOC | More |
| 386 | 574 | DEBARY | Florida | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 401 | 574 | PROVIDENCE | Rhode Island | VERIZON NEW ENGLAND INC. | RBOC | More |
| 402 | 574 | OMAHA | Nebraska | QWEST CORPORATION | RBOC | More |
| 403 | 574 | GADSBY | Alberta | TELUS | IND. TELCO | More |
| 404 | 574 | ATLANTA | Georgia | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 405 | 574 | CHICKASHA | Oklahoma | SOUTHWESTERN BELL | RBOC | More |
| 406 | 574 | SILVERTIP | Wyoming | QWEST CORPORATION | RBOC | More |
| 407 | 574 | ORLANDO | Florida | OMNIPOINT MIAMI E LICENSE, LLC | PCS | More |
| 408 | 574 | SNJS SOUTH | California | PACIFIC BELL | RBOC | More |
| 409 | 574 | HOUSTON | Texas | SPRINT SPECTRUM L.P.- TX | PCS | More |
| 410 | 574 | ESSEX | Maryland | VERIZON MARYLAND, INC. | RBOC | More |
| 412 | 574 | PTTSBGZON1 | Pennsylvania | VERIZON PENNSYLVANIA, INC. | RBOC | More |
| 413 | 574 | CUMMINGTON | Massachusetts | NECLEC, LLC | CLEC | More |
| 414 | 574 | MILWAUKZN5 | Wisconsin | AT&T LOCAL | CLEC | More |
| 415 | 574 | SNFC MT-EV | California | METRO PCS, INC. | | More |
| 416 | 574 | TORONTO | Ontario | Bell Mobility | WIRELESS PROV | More |
| 417 | 574 | JENKINS | Missouri | CENTURYTEL MISSOURI LLC (SOUTHWEST)DBA CENTURYLINK | | More |
| 418 | 574 | LORETTEVILLE | Quebec | Videotron General Partnership | CLEC | More |
| 419 | 574 | TOLEDO | Ohio | TELEPORT COMMUNICATIONS GROUP, INC. - OH | CLEC | More |
| 423 | 574 | BLOUNTVL | Tennessee | BRISTOL TENNESSEE ESSENTIAL SERVICES - TN | | More |
| 434 | 574 | PROSPECT | Virginia | CENTRAL TEL. CO. OF VIRGINIA DBA CENTURYLINK | IND. TELCO | More |
| 435 | 574 | ST GEORGE | Utah | QWEST CORPORATION | RBOC | More |
| 440 | 574 | OBERLIN | Ohio | SPRINT SPECTRUM L.P. | PCS | More |
| 443 | 574 | ELLICOTTCY | Maryland | US LEC OF MARYLAND, INC. | CLEC | More |
| 450 | 574 | GRANBY | Quebec | Videotron General Partnership | CLEC | More |
| 469 | 574 | CARROLLTON | Texas | XO TEXAS, INC. | CLEC | More |
| 484 | 574 | PHPHSBZN10 | Pennsylvania | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA | WIRELESS PROV | More |
| 501 | 574 | BENTON | Arkansas | LEVEL 3 COMMUNICATIONS, LLC - AR | | More |
| 502 | 574 | LOUISVILLE | Kentucky | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | RBOC | More |
| 503 | 574 | BEAVERTON | Oregon | FRONTIER COMMUNICATIONS NORTHWEST, INC. - OR | IND. TELCO | More |
| 504 | 574 | NEWORLEANS | Louisiana | USA MOBILITY WIRELESS, INC. | WIRELESS PROV | More |
| 505 | 574 | SILVERCITY | New Mexico | QWEST CORPORATION | RBOC | More |
| 507 | 574 | ADAMS | Minnesota | MCC TELEPHONY OF MINNESOTA, LLC - MN | | More |
| 508 | 574 | BILLERICA | Massachusetts | NEW CINGULAR WIRELESS PCS, LLC - DC | WIRELESS PROV | More |
| 509 | 574 | YAKIMA | Washington | QWEST CORPORATION | RBOC | More |
| 510 | 574 | FRNK MAIN | California | PACIFIC BELL | RBOC | More |
| 512 | 574 | AUSTIN | Texas | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 513 | 574 | CINCINNATI | Ohio | CINCINNATI BELL, INC. | IND. TELCO | More |
| 514 | 574 | MONTREAL | Quebec | Fido Solutions Inc. | | More |
| 515 | 574 | FORT DODGE | Iowa | FRONTIER COMMUNICATIONS OF IOWA, INC. | IND. TELCO | More |
| 516 | 574 | NASSAUZN02 | New York | VERIZON NEW YORK, INC. | RBOC | More |
| 517 | 574 | SAGINAW | Michigan | CLEAR RATE COMMUNICATIONS, INC. - MI | | More |
| 518 | 574 | PLATTSBG | New York | CONTACT COMMUNICATIONS, INC. | WIRELESS PROV | More |
| 519 | 574 | KITCHENER | Ontario | Rogers Communications Partnership (Wireless) | WIRELESS PROV | More |
| 520 | 574 | TUCSON | Arizona | QWEST CORPORATION | RBOC | More |
| 530 | 574 | DAVIS | California | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 540 | 574 | HARRISONBG | Virginia | VERIZON SOUTH INC.-VA (CONTEL) | IND. TELCO | More |
| 541 | 574 | NEWPORT | Oregon | QWEST CORPORATION | RBOC | More |
| 551 | 574 | CLIFFSIDE | New Jersey | NEW CINGULAR WIRELESS PCS, LLC - DC | WIRELESS PROV | More |
| 559 | 574 | PARLIER | California | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | WIRELESS PROV | More |
| 561 | 574 | WPALMBEACH | Florida | METRO PCS, INC. | | More |
| 563 | 574 | DELMAR | Iowa | F&B COMMUNICATIONS, INC. - IA | CLEC | More |
| 570 | 574 | WILKSBARRE | Pennsylvania | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA | WIRELESS PROV | More |
| 573 | 574 | MONTGORYCY | Missouri | SOCKET TELECOM, LLC - MO | | More |
| 575 | 574 | SILVERCITY | New Mexico | QWEST CORPORATION | RBOC | More |
| 580 | 574 | LAWTON | Oklahoma | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OK | | More |
| 586 | 574 | CENTERLINE | Michigan | AMERITECH MICHIGAN | RBOC | More |
| 601 | 574 | HAZLEHURST | Mississippi | LEVEL 3 COMMUNICATIONS, LLC - MS | | More |
| 602 | 574 | PHOENIX | Arizona | SPRINT SPECTRUM L.P. | PCS | More |
| 603 | 574 | ALSTEAD | New Hampshire | LEVEL 3 COMMUNICATIONS - NH | CLEC | More |
| 604 | 574 | WHITE ROCK | British Columbia | TELUS | IND. TELCO | More |
| 605 | 574 | HILL CITY | South Dakota | QWEST CORPORATION | RBOC | More |
| 606 | 574 | HARLAN | Kentucky | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | RBOC | More |
| 608 | 574 | DODGEVILLE | Wisconsin | UNITED STATES CELLULAR CORP. - WISCONSIN | WIRELESS PROV | More |
| 609 | 574 | | New Jersey | AT&T LOCAL | CLEC | More |
| 610 | 574 | PHPHSBZN30 | Pennsylvania | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA | WIRELESS PROV | More |
| 613 | 574 | Metcalfe | Ontario | Rogers Communications Partnership (Cable) | | More |
| 614 | 574 | GROVEPORT | Ohio | CHOICE ONE COMMUNICATIONS, INC. - OH | | More |
| 615 | 574 | NASHVILLE | Tennessee | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | RBOC | More |
| 616 | 574 | GRAND RPDS | Michigan | BROOKS FIBER COMMUNICATIONS OF MICHIGAN - MI | CAP | More |
| 617 | 574 | BOSTON | Massachusetts | VERIZON NEW ENGLAND INC. | RBOC | More |
| 618 | 574 | AVISTON | Illinois | SBC INTERNET SERVICES, INC. | | More |
| 619 | 574 | SNDG SNDG | California | PACIFIC BELL | RBOC | More |
| 620 | 574 | XXXXXXXXXX | Kansas | SOUTHWESTERN BELL | RBOC | More |
| 626 | 574 | ARCADIA | California | PACIFIC BELL | RBOC | More |
| 630 | 574 | HINSDALE | Illinois | AMERITECH ILLINOIS | RBOC | More |
| 631 | 574 | NEW YORK CITY | New York | PAETEC COMMUNICATIONS, INC. - NY | CLEC | More |
| 636 | 574 | ST CHARLES | Missouri | AMERICAN MESSAGING (AM), INC. | | More |
| 646 | 574 | NWYRCYZN01 | New York | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY | WIRELESS PROV | More |
| 650 | 574 | SAN MATEO | California | PACIFIC BELL | RBOC | More |
| 661 | 574 | PALMDALE | California | PACIFIC BELL | RBOC | More |
| 662 | 574 | COLUMBUS | Mississippi | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 678 | 574 | ACWORTH | Georgia | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 701 | 574 | LADD | North Dakota | CONSOLIDATED TELCOM | IND. TELCO | More |
| 702 | 574 | LAS VEGAS | Nevada | SPRINT SPECTRUM L.P. | PCS | More |
| 703 | 574 | WASHINGTON | District of Columbia | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | CLEC | More |
| 704 | 574 | CHARLOTTE | North Carolina | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC | WIRELESS PROV | More |
| 705 | 574 | Sault Ste. Marie | Ontario | Shaw Telecom Inc. | | More |
| 706 | 574 | SUMMERVL | Georgia | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - GA | WIRELESS PROV | More |
| 707 | 574 | MAD RIVER | California | VERIZON CALIFORNIA INC.-CA | IND. TELCO | More |
| 708 | 574 | CHICAGO | Illinois | SPRINT SPECTRUM L.P. | PCS | More |
| 709 | 574 | Glenwood | Newfoundland | Bragg Communications Inc. | CLEC | More |
| 712 | 574 | SIOUX CITY | Iowa | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 713 | 574 | HOUSTON | Texas | LEVEL 3 COMMUNICATIONS, LLC - TX | CLEC | More |
| 714 | 574 | SANTA ANA | California | METROPCS NETWORKS, LLC | | More |
| 715 | 574 | WAUSAU | Wisconsin | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 716 | 574 | BUFFALO | New York | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY | WIRELESS PROV | More |
| 717 | 574 | HARRISBURG CITY ZON | Pennsylvania | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA | WIRELESS PROV | More |
| 718 | 574 | NYCZ 6 | New York | VERIZON NEW YORK, INC. | RBOC | More |
| 719 | 574 | COLORADO SPRINGS | Colorado | QWEST CORPORATION | RBOC | More |
| 720 | 574 | DENVER | Colorado | US WEST COMMUNICATIONS - MOUNTAIN BELL - C0 | RBOC | More |
| 724 | 574 | VANDERGRIFT | Pennsylvania | TELCOVE OF PENNSYLVANIA, INC. - PA | CLEC | More |
| 727 | 574 | FEATHER SOUND | Florida | VERIZON FLORIDA INC. | IND. TELCO | More |
| 731 | 574 | JACKSON | Tennessee | YMAX COMMUNICATIONS CORP. - TN | | More |
| 732 | 574 | RAHWAY | New Jersey | VERIZON NEW JERSEY, INC. | RBOC | More |
| 734 | 574 | WYANDOTTE | Michigan | TELNET WORLDWIDE, INC. | CLEC | More |
| 740 | 574 | WHEELERSBURG | Ohio | FRONTIER NORTH, INC. - OH | IND. TELCO | More |
| 757 | 574 | RICHMOND | Virginia | SPRINT SPECTRUM L.P. | PCS | More |
| 760 | 574 | INDIO | California | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | WIRELESS PROV | More |
| 763 | 574 | FRIDLEY | Minnesota | QWEST CORPORATION | RBOC | More |
| 765 | 574 | INDIANAPOLIS | Indiana | ICG TELECOM GROUP - IN | CLEC | More |
| 770 | 574 | TALLAPOOSA | Georgia | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 773 | 574 | CHICGOZN10 | Illinois | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 775 | 574 | FERNLEY | Nevada | NEVADA BELL | RBOC | More |
| 778 | 574 | Cloverdale | British Columbia | Shaw Telecom Inc. | | More |
| 780 | 574 | Namao | Alberta | Shaw Telecom Inc. | | More |
| 781 | 574 | BOSTON | Massachusetts | ALLEGIANCE TELECOM, INC. - MA | CLEC | More |
| 785 | 574 | XXXXXXXXXX | Kansas | GIANT COMMUNICATIONS, INC. -KS | | More |
| 786 | 574 | MIAMI | Florida | LEVEL 3 COMMUNICATIONS, LLC - FL | CLEC | More |
| 787 | 574 | BAYAMON NORTE | Puerto Rico | BORINQUEN BEEPERS INC. | WIRELESS PROV | More |
| 801 | 574 | SALT LAKE | Utah | SPRINT SPECTRUM L.P. | PCS | More |
| 803 | 574 | SUMMERTON | South Carolina | LEVEL 3 COMMUNICATIONS, LLC - SC | | More |
| 804 | 574 | PROSPECT | Virginia | CENTRAL TEL. CO. OF VIRGINIA DBA CENTURYLINK | IND. TELCO | More |
| 805 | 574 | ARROYOGRND | California | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 806 | 574 | LUBBOCK | Texas | SPRINT SPECTRUM L.P.- TX | PCS | More |
| 808 | 574 | KAKAAKO | Hawaii | USA MOBILITY WIRELESS, INC. | WIRELESS PROV | More |
| 812 | 574 | MADISON | Indiana | SEI DATA, INC. | CLEC | More |
| 813 | 574 | TAMPACEN | Florida | PAETEC COMMUNICATIONS, INC. - FL | CLEC | More |
| 814 | 574 | BELLEFONTE | Pennsylvania | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA | WIRELESS PROV | More |
| 815 | 574 | HARMON | Illinois | ESSEX TELCOM, INC. | LOCAL RESELLER | More |
| 816 | 574 | XXXXXXXXXX | Missouri | SOUTHWESTERN BELL | RBOC | More |
| 817 | 574 | DALLAS (ACSI) | Texas | TW TELECOM OF TEXAS LLC - TX | CLEC | More |
| 818 | 574 | LSAN LA01 | California | O1 COMMUNICATIONS, INC. - CA | CLEC | More |
| 819 | 574 | SHERBROOKE | Quebec | Bell Mobility | WIRELESS PROV | More |
| 831 | 574 | SALINAS | California | PAC - WEST TELECOMM, INC. | CLEC | More |
| 832 | 574 | HSTNSUBURB | Texas | SPRINT SPECTRUM L.P. | PCS | More |
| 843 | 574 | CHARLESTON | South Carolina | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 845 | 574 | SPRING VALLEY | New York | VERIZON NEW YORK, INC. | RBOC | More |
| 847 | 574 | CHICAGO | Illinois | BROADWING COMMUNICATIONS, LLC - IL | CLEC | More |
| 850 | 574 | TALLAHASSEE | Florida | EMBARQ FLORIDA INC. (CENTRAL) DBA CENTURYLINK | IND. TELCO | More |
| 856 | 574 | CAMDEN | New Jersey | AT&T LOCAL | CLEC | More |
| 857 | 574 | CAMBRIDGE | Massachusetts | CTC COMMUNICATIONS CORP. - MA | | More |
| 860 | 574 | NEW LONDON | Connecticut | METRO PCS, INC. | | More |
| 864 | 574 | SPARTANBURG | South Carolina | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 865 | 574 | KNOXVILLE | Tennessee | BROOKS FIBER COMMUNICATIONS OF TENNESSEE, INC.- TN | CAP | More |
| 870 | 574 | CAMDEN | Arkansas | SOUTHWESTERN BELL | RBOC | More |
| 901 | 574 | MEMPHIS | Tennessee | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN | WIRELESS PROV | More |
| 902 | 574 | Sydney | Nova Scotia | Aliant Telecom (Mobility) | | More |
| 903 | 574 | TYLER | Texas | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX | WIRELESS PROV | More |
| 904 | 574 | JACKSONVL | Florida | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - FL | WIRELESS PROV | More |
| 905 | 574 | HAMILTON | Ontario | Bell Canada | IND. TELCO | More |
| 907 | 574 | MCGRATH | Alaska | GCI COMMUNICATION CORP. DBA GENERAL COMMUNICATION | PCS | More |
| 908 | 574 | HAMPTON | New Jersey | LEVEL 3 COMMUNICATIONS, LLC - NJ | CLEC | More |
| 909 | 574 | FONTANA | California | PACIFIC BELL | RBOC | More |
| 910 | 574 | FAYETTEVILLE | North Carolina | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 912 | 574 | OCHLOCKNEE | Georgia | SBC INTERNET SERVICES, INC. | | More |
| 913 | 574 | KANSAS CITY | Kansas | SOUTHWESTERN BELL | RBOC | More |
| 914 | 574 | SPRING VALLEY | New York | SPRINT SPECTRUM L.P. | PCS | More |
| 915 | 574 | SNYDER | Texas | SOUTHWESTERN BELL | RBOC | More |
| 916 | 574 | SACRAMENTO | California | PACIFIC BELL | RBOC | More |
| 917 | 574 | NEW YORK | New York | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY | WIRELESS PROV | More |
| 918 | 574 | TULSA | Oklahoma | SOUTHWESTERN BELL | RBOC | More |
| 919 | 574 | DURHAM NELSON | North Carolina | FRONTIER COMMUNICATIONS OF THE CAROLINAS INC - NC | IND. TELCO | More |
| 920 | 574 | APPLETON | Wisconsin | LEVEL 3 COMMUNICATIONS, LLC - WI | | More |
| 925 | 574 | CONCORD | California | U.S. TELEPACIFIC CORP. - CA | CLEC | More |
| 937 | 574 | DAYTON | Ohio | LEVEL 3 COMMUNICATIONS, LLC - OH | CLEC | More |
| 940 | 574 | ARCHER CITY | Texas | BRAZOS TELEPHONE COOPERATIVE, INC. | IND. TELCO | More |
| 941 | 574 | NORTH CAPE CORAL | Florida | EMBARQ FLORIDA, INC. DBA CENTURYLINK | IND. TELCO | More |
| 949 | 574 | COSTA MESA | California | PACIFIC BELL | RBOC | More |
| 954 | 574 | DEERFIELD BEACH | Florida | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 956 | 574 | BROWNSVILLE | Texas | SOUTHWESTERN BELL | RBOC | More |
| 970 | 574 | DINOSAUR | Wyoming | UNION TELEPHONE COMPANY | | More |
| 972 | 574 | DALLAS FORT WORTH A | Texas | GTE-SW DBA VERIZON SW INC.-TX | IND. TELCO | More |
| 973 | 574 | PASSAIC | New Jersey | VERIZON NEW JERSEY, INC. | RBOC | More |
| 978 | 574 | ATHOL | Massachusetts | RCN TELECOM SERVICES, INC. - MA | CLEC | More |
| 979 | 574 | HOUSTON | Texas | SPRINT SPECTRUM L.P. | PCS | More |
| 989 | 574 | SAGINAW | Michigan | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI | WIRELESS PROV | More |
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