Area Code | Prefix | City/Switch Name (Click for city search) | State/Prov. Area Map | Telephone Company Web link | Telco Type | More Info |
|---|
| 201 | 537 | UNION CITY | New Jersey | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NJ | CLEC | More |
| 202 | 537 | WSHNGTNZN1 | District of Columbia | VERIZON WASHINGTON DC, INC. | RBOC | More |
| 203 | 537 | MERIDEN | Connecticut | METROPCS, INC. | | More |
| 204 | 537 | NINETTE | Manitoba | MTS Inc. | IND. TELCO | More |
| 205 | 537 | PINSON | Alabama | LEVEL 3 COMMUNICATIONS, LLC - AL | | More |
| 206 | 537 | BAINBDG IS | Washington | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 207 | 537 | OTIS | Maine | UNION RIVER TEL. CO. | IND. TELCO | More |
| 208 | 537 | TWIN FALLS | Idaho | QWEST CORPORATION | RBOC | More |
| 209 | 537 | MODESTO | California | PACIFIC BELL | RBOC | More |
| 210 | 537 | SANANTONIO | Texas | LOGIX COMMUNICATIONS CORPORATION - TX | CLEC | More |
| 212 | 537 | NWYRCYZN02 | New York | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | CLEC | More |
| 213 | 537 | LSAN DA 01 | California | BANDWIDTH.COM CLEC, LLC - CA | | More |
| 214 | 537 | GRANDPRARI | Texas | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 215 | 537 | PHLDLPHZN4 | Pennsylvania | VERIZON PENNSYLVANIA, INC. | RBOC | More |
| 217 | 537 | DONNELLSON | Illinois | CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL | | More |
| 218 | 537 | BRAINERD | Minnesota | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MN | | More |
| 224 | 537 | DESPLAINES | Illinois | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 229 | 537 | SHELLMAN | Georgia | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - GA | WIRELESS PROV | More |
| 231 | 537 | LEVERING | Michigan | CENTURYTEL OF MICHIGAN, INC. DBA CENTURYLINK | IND. TELCO | More |
| 239 | 537 | NAPLES | Florida | METROPCS, INC. | | More |
| 240 | 537 | TOMPKINSVILLE | Maryland | ATLANTECH ONLINE, INC. - MD | | More |
| 248 | 537 | AUBURN HTS | Michigan | PHONE MICHIGAN - MI | CLEC | More |
| 250 | 537 | GANGES | British Columbia | TELUS | IND. TELCO | More |
| 252 | 537 | ROANOKERPD | North Carolina | CAROLINA TEL AND TEL CO., LLC DBA CENTURYLINK | IND. TELCO | More |
| 253 | 537 | TACOMA | Washington | QWEST CORPORATION | RBOC | More |
| 254 | 537 | WACO | Texas | GRANDE COMMUNICATIONS NETWORKS, INC. - TX | CLEC | More |
| 256 | 537 | ALEXANDRCY | Alabama | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL | WIRELESS PROV | More |
| 262 | 537 | WHEATLAND | Wisconsin | BURLINGTON, BRIGHTON & WHEATLAND TEL. CO. | IND. TELCO | More |
| 267 | 537 | PHPHSBZN39 | Pennsylvania | BROADVIEW NETWORKS, INC. - PA | | More |
| 269 | 537 | NILES | Michigan | LUCRE, INC. | CLEC | More |
| 270 | 537 | CANMER | Kentucky | SO CENTRAL RURAL TELECOMM COOPERATIVE, INC. | IND. TELCO | More |
| 276 | 537 | JONESVILLE | Virginia | TON80 COMMUNICATIONS, LLC | | More |
| 281 | 537 | BAMMEL | Texas | SOUTHWESTERN BELL | RBOC | More |
| 301 | 537 | WSHNGTNZN3 | Maryland | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | WIRELESS PROV | More |
| 302 | 537 | OCEAN VIEW | Delaware | VERIZON DELAWARE, INC. | RBOC | More |
| 303 | 537 | AURORA | Colorado | TELEPORT COMMUNICATIONS AMERICA, LLC - CO | CAP | More |
| 304 | 537 | HNTNGTNZN1 | West Virginia | RAM TECHNOLOGIES, INC. - WV | WIRELESS PROV | More |
| 305 | 537 | MIAMI | Florida | LEVEL 3 TELECOM OF FLORIDA, LP - FL | CLEC | More |
| 306 | 537 | REGINA | Saskatchewan | SaskTel Mobility | | More |
| 307 | 537 | PINEDALE | Wyoming | CENTURYTEL OF WYOMING, INC. DBA CENTURYLINK | IND. TELCO | More |
| 308 | 537 | GOTHENBURG | Nebraska | QWEST CORPORATION | RBOC | More |
| 309 | 537 | ELIZA | Illinois | CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL | | More |
| 310 | 537 | CMTN CMTN | California | PACIFIC BELL | RBOC | More |
| 312 | 537 | CHICGOZN01 | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 313 | 537 | DETROITZN2 | Michigan | MICHIGAN BELL TEL CO | RBOC | More |
| 314 | 537 | ST LOUIS | Missouri | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 315 | 537 | HARRISVL | New York | TC SYSTEMS, INC. - NY | CAP | More |
| 317 | 537 | FISHERS | Indiana | LEVEL 3 TELECOM OF INDIANA, LP - IN | CLEC | More |
| 318 | 537 | MONROE | Louisiana | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 319 | 537 | MTPLEASANT | Iowa | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 320 | 537 | ISLE | Minnesota | ONVOY, LLC - MN | | More |
| 321 | 537 | COCOA | Florida | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 323 | 537 | LSAN DA 06 | California | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | WIRELESS PROV | More |
| 325 | 537 | HAWLEY | Texas | TAYLOR TEL. COOP., INC. | IND. TELCO | More |
| 330 | 537 | DAMASCUS | Ohio | UNITED TEL. CO. OF OHIO DBA CENTURYLINK | IND. TELCO | More |
| 334 | 537 | LAPINE | Alabama | MON-CRE TEL. COOP., INC. | IND. TELCO | More |
| 336 | 537 | BURLINGTON | North Carolina | TIME WARNER CBL INFO SVC (NC) DBA TIME WARNER CBL | | More |
| 337 | 537 | LEESVILLE | Louisiana | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | RBOC | More |
| 346 | 537 | HOUSTON | Texas | DISH WIRELESS, LLC | | More |
| 347 | 537 | NWYRCYZN08 | New York | METROPOLITAN TELECOMMUNICATIONS - NY | CLEC | More |
| 352 | 537 | SLRSPGSHRS | Florida | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 360 | 537 | ABERDEEN | Washington | QWEST CORPORATION | RBOC | More |
| 361 | 537 | C CHRISTI | Texas | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 385 | 537 | AMERCNFORK | Utah | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 401 | 537 | PROVIDENCE | Rhode Island | LEVEL 3 COMMUNICATIONS, LLC - RI | CLEC | More |
| 402 | 537 | OMAHA | Nebraska | QWEST CORPORATION | RBOC | More |
| 403 | 537 | CALGARY | Alberta | MTS Allstream Inc. | CLEC | More |
| 404 | 537 | ATLANTA | Georgia | YMAX COMMUNICATIONS CORP. - GA | | More |
| 405 | 537 | OKLA CITY | Oklahoma | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 406 | 537 | MELVILLE | Montana | TRIANGLE TEL. COOP. ASSN., INC. | IND. TELCO | More |
| 407 | 537 | EASTORANGE | Florida | ONVOY, LLC - FL | | More |
| 408 | 537 | SNJS WEST | California | PACIFIC BELL | RBOC | More |
| 410 | 537 | BALTIMORE | Maryland | VERIZON MARYLAND, INC. | RBOC | More |
| 412 | 537 | PTTSBGZON1 | Pennsylvania | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 413 | 537 | HOLYOKE | Massachusetts | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | WIRELESS PROV | More |
| 414 | 537 | WHEATLAND | Wisconsin | BURLINGTON, BRIGHTON & WHEATLAND TEL. CO. | IND. TELCO | More |
| 415 | 537 | SNFC CNTRL | California | PACIFIC BELL | RBOC | More |
| 416 | 537 | TORONTO | Ontario | Bell Canada | IND. TELCO | More |
| 417 | 537 | GOLDENCITY | Missouri | SPECTRA COMMUNICATIONS GROUP, LLC DBA CENTURYLINK | | More |
| 419 | 537 | TOLEDO | Ohio | OHIO BELL TEL CO | RBOC | More |
| 423 | 537 | BULLS GAP | Tennessee | US LEC OF TENNESSEE, INC. | CLEC | More |
| 424 | 537 | SNMN MRVS | California | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 425 | 537 | BOTHELL | Washington | TON80 COMMUNICATIONS, LLC | | More |
| 432 | 537 | IMPERIAL | Texas | AMA COMM., LLC DBA AMA*TECHTEL COMMUNICATIONS-TX | | More |
| 440 | 537 | WILLOUGHBY | Ohio | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH | WIRELESS PROV | More |
| 443 | 537 | REISTERSTOWN | Maryland | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | WIRELESS PROV | More |
| 450 | 537 | ST ANDRE DE RESTIGO | Quebec | Bell Canada | IND. TELCO | More |
| 469 | 537 | MIDLOTHIAN | Texas | LEVEL 3 COMMUNICATIONS, LLC - TX | CLEC | More |
| 470 | 537 | ATLANTA NW | Georgia | TELEPORT COMMUNICATIONS AMERICA, LLC - GA | CLEC | More |
| 479 | 537 | BENTONVL | Arkansas | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 480 | 537 | PHOENIX | Arizona | GREAT WEST SERVICES, LTD. - ARIZONA | CLEC | More |
| 484 | 537 | PHPHSBZN31 | Pennsylvania | CAVALIER TELEPHONE LLC (MID-ATLANTIC) - PA | CLEC | More |
| 501 | 537 | LITTLEROCK | Arkansas | WINDSTREAM COMMUNICATIONS, INC. - AR | CLEC | More |
| 502 | 537 | LOUISVILLE | Kentucky | RCLEC, INC. | | More |
| 503 | 537 | NEWBERG | Oregon | ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER | IND. TELCO | More |
| 504 | 537 | RACELAND | Louisiana | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | RBOC | More |
| 505 | 537 | BAYARD | New Mexico | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NM | WIRELESS PROV | More |
| 507 | 537 | MARSHALL | Minnesota | QWEST CORPORATION | RBOC | More |
| 508 | 537 | AUBURN | Massachusetts | AMERICAN MESSAGING SERVICES, LLC | | More |
| 509 | 537 | PASCO | Washington | ONVOY, LLC - WA | | More |
| 510 | 537 | HAYWARD | California | PACIFIC BELL | RBOC | More |
| 512 | 537 | AUSTIN | Texas | BANDWIDTH.COM CLEC, LLC - TX | | More |
| 513 | 537 | CINCINNATI | Ohio | WADDELL SOLUTIONS GROUP LLC | | More |
| 515 | 537 | DES MOINES | Iowa | CONSOLIDATED COMMUNICATIONS ENTERPRISE SVCS-IA | CLEC | More |
| 516 | 537 | NASSAUZN03 | New York | XO NEW YORK, INC. | CLEC | More |
| 517 | 537 | ADRIAN | Michigan | ONVOY, LLCV - MI | | More |
| 518 | 537 | GERMANTOWN | New York | GERMANTOWN TEL. CO., INC. | IND. TELCO | More |
| 519 | 537 | WOODSTOCK | Ontario | Bell Canada | IND. TELCO | More |
| 520 | 537 | SHOW LOW | Arizona | IP HORIZON LLC | | More |
| 530 | 537 | AUBN MAIN | California | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 540 | 537 | ROANOKE | Virginia | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | WIRELESS PROV | More |
| 541 | 537 | ROSEBURG | Oregon | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 559 | 537 | HANFORD | California | U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS | | More |
| 561 | 537 | WPALMBEACH | Florida | OMNIPOINT MIAMI E LICENSE, LLC | PCS | More |
| 562 | 537 | LONG BEACH | California | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 563 | 537 | MONONA | Iowa | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 567 | 537 | MANSFIELD | Ohio | OHIO TELECOM, INC. - OH | | More |
| 570 | 537 | MILLERTON | Pennsylvania | NORTH PENN TEL. CO. | IND. TELCO | More |
| 571 | 537 | HERNDON | Virginia | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | CLEC | More |
| 573 | 537 | ROLLA | Missouri | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 574 | 537 | GOSHEN | Indiana | FRONTIER NORTH, INC.. - IN | IND. TELCO | More |
| 575 | 537 | BAYARD | New Mexico | QWEST CORPORATION | RBOC | More |
| 580 | 537 | LOCO | Oklahoma | PIONEER TEL. COOP., INC. | IND. TELCO | More |
| 585 | 537 | ROCHESTER | New York | OMNIPOINT COMMUNICATIONS, INC. - NY | WIRELESS PROV | More |
| 601 | 537 | POLKVILLE | Mississippi | BAY SPRINGS TEL. CO., INC. | IND. TELCO | More |
| 602 | 537 | PHOENIX | Arizona | QWEST CORPORATION | RBOC | More |
| 603 | 537 | DERRY | New Hampshire | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH | RBOC | More |
| 604 | 537 | NEW WESTMINSTER | British Columbia | Fido Solutions Inc. | | More |
| 605 | 537 | ROSHOLT | South Dakota | VENTURE COMMUNICATIONS COOPERATIVE | IND. TELCO | More |
| 607 | 537 | ELMIRA | New York | SKYE TELECOM LLC DBA SKYETEL | | More |
| 608 | 537 | BLUE RIVER | Wisconsin | RICHLAND-GRANT TEL. COOP., INC. | IND. TELCO | More |
| 609 | 537 | PENNINGTON | New Jersey | PAETEC COMMUNICATIONS, INC. - NJ | CLEC | More |
| 610 | 537 | PHPHSBZN14 | Pennsylvania | TELEPORT COMMUNICATIONS AMERICA, LLC - PA | CLEC | More |
| 613 | 537 | INGLESIDE | Ontario | Bell Canada | IND. TELCO | More |
| 614 | 537 | COLUMBUS | Ohio | AERIAL COMMUNICATIONS, INC. | WIRELESS PROV | More |
| 615 | 537 | HENDERSNVL | Tennessee | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TN | CLEC | More |
| 616 | 537 | LAKEODESSA | Michigan | ACD TELECOM, INC. - MI | | More |
| 617 | 537 | QUINCY | Massachusetts | VERIZON NEW ENGLAND INC. | RBOC | More |
| 618 | 537 | LEBANON | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 619 | 537 | CORONADO | California | PACIFIC BELL | RBOC | More |
| 620 | 537 | BUFFALO | Kansas | UNITED TEL OF EASTERN KANSAS DBA CENTURYLINK | IND. TELCO | More |
| 623 | 537 | PHOENIX | Arizona | QWEST CORPORATION | RBOC | More |
| 626 | 537 | ALHAMBRA | California | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA | CLEC | More |
| 630 | 537 | LA GRANGE | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 631 | 537 | SAG HARBOR | New York | VERIZON NEW YORK, INC. | RBOC | More |
| 636 | 537 | CHESTERFIELD | Missouri | SOUTHWESTERN BELL | RBOC | More |
| 646 | 537 | NYC ZONE 2 - MANHAT | New York | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | CLEC | More |
| 647 | 537 | Toronto | Ontario | Rogers Communications Partnership (Wireless) | WIRELESS PROV | More |
| 650 | 537 | MOUNTAIN VIEW | California | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 657 | 537 | SILVERADO | California | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 660 | 537 | KANSAS CITY | Missouri | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 661 | 537 | PALMDALE | California | PACIFIC BELL | RBOC | More |
| 662 | 537 | GREENVILLE | Mississippi | CENTURYLINK COMMUNICATIONS LLC - MS | CLEC | More |
| 678 | 537 | ATLANTA NORTHEAST | Georgia | BUSINESS TELECOM, INC. DBA BTI - GA | CLEC | More |
| 701 | 537 | TOWNER | North Dakota | SRT COMMUNICATIONS, INC. | IND. TELCO | More |
| 702 | 537 | LAS VEGAS | Nevada | MATRIX TELECOM, LLC. S/I/I TNCI - NV | CLEC | More |
| 703 | 537 | HERNDON | Virginia | LEVEL 3 COMMUNICATIONS, LLC - VA | CLEC | More |
| 704 | 537 | CHARLOTTE | North Carolina | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 706 | 537 | DALTON | Georgia | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 707 | 537 | SANTA ROSA | California | PACIFIC BELL | RBOC | More |
| 708 | 537 | LA GRANGE | Illinois | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 709 | 537 | HARE BAY | Newfoundland | Aliant Telecom (NF) | IND. TELCO | More |
| 712 | 537 | GRAVITY | Iowa | WINDSTREAM IOWA COMMUNICATIONS, INC. | | More |
| 713 | 537 | HOUSTON | Texas | SOUTHWESTERN BELL | RBOC | More |
| 714 | 537 | GARDEN GROVE | California | PACIFIC BELL | RBOC | More |
| 715 | 537 | BARRON | Wisconsin | TELEPHONE USA OF WISCONSIN, LLC DBA CENTURYLINK | | More |
| 716 | 537 | HOLLAND | New York | VERIZON NEW YORK, INC. | RBOC | More |
| 717 | 537 | LITITZ | Pennsylvania | WINDSTREAM D & E SYSTEMS, INC. - PA | CLEC | More |
| 718 | 537 | NYCZ 3 | New York | VERIZON NEW YORK, INC. | RBOC | More |
| 719 | 537 | HOLLY | Colorado | CENTURYTEL OF EAGLE, INC. DBA CENTURYLINK | IND. TELCO | More |
| 720 | 537 | DENVER | Colorado | FASTTRACK COMMUNICATIONS, INC. - CO | | More |
| 724 | 537 | LATROBE | Pennsylvania | VERIZON PENNSYLVANIA, INC. | RBOC | More |
| 727 | 537 | FEATHER SOUND | Florida | FRONTIER FLORIDA LLC DBA FRONTIER COMM OF FLORIDA | IND. TELCO | More |
| 732 | 537 | BOUND BROOK | New Jersey | VERIZON NEW JERSEY, INC. | RBOC | More |
| 734 | 537 | MAYBEE | Michigan | ONVOY, LLCV - MI | | More |
| 737 | 537 | LAMPASAS | Texas | TWILIO INTERNATIONAL, INC. | | More |
| 740 | 537 | TORONTO | Ohio | OHIO BELL TEL CO | RBOC | More |
| 757 | 537 | RICHMOND | Virginia | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | WIRELESS PROV | More |
| 760 | 537 | PALM SPG | California | BANDWIDTH.COM CLEC, LLC - CA | | More |
| 763 | 537 | MNPZ 9 | Minnesota | QWEST CORPORATION | RBOC | More |
| 765 | 537 | PARAGON | Indiana | INDIANA BELL TEL CO INC | RBOC | More |
| 770 | 537 | BREMEN | Georgia | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 773 | 537 | CHICGOZN04 | Illinois | FIRST COMMUNICATIONS, LLC | | More |
| 774 | 537 | UPTON | Massachusetts | ONVOY, LLC - MA | | More |
| 775 | 537 | PAHRUMP | Nevada | NEVADA BELL | RBOC | More |
| 779 | 537 | ROCKFORD | Illinois | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | WIRELESS PROV | More |
| 780 | 537 | Sexsmith | Alberta | Bragg Communications Inc. | CLEC | More |
| 781 | 537 | CAMBRIDGE | Massachusetts | AT&T - LOCAL | CLEC | More |
| 785 | 537 | MANHATTAN | Kansas | SOUTHWESTERN BELL | RBOC | More |
| 786 | 537 | MIAMI | Florida | OMNIPOINT MIAMI E LICENSE, LLC | PCS | More |
| 787 | 537 | SALINAS | Puerto Rico | LIBERTY MOBILE PUERTO RICO INC. | CLEC | More |
| 801 | 537 | SALT LAKE CITY | Utah | QWEST CORPORATION | RBOC | More |
| 802 | 537 | BENSON | Vermont | SHOREHAM TELEPHONE LLC | IND. TELCO | More |
| 803 | 537 | COLUMBIA | South Carolina | METROPCS, INC. | | More |
| 804 | 537 | HANOVER | Virginia | VERIZON SOUTH, INC. - VA (CONTEL) | IND. TELCO | More |
| 805 | 537 | SIMIVALLEY | California | PEERLESS NETWORK OF CALIFORNIA, LLC - CA | | More |
| 806 | 537 | PANHANDLE | Texas | VALOR TELECOMM TX, LP-TX #1 DBA WINDSTREAM COMM SW | | More |
| 807 | 537 | BIG TROUT LAKE | Ontario | Bell Canada | IND. TELCO | More |
| 808 | 537 | HONOLULU | Hawaii | HAWAIIAN TELCOM, INC. - HI | IND. TELCO | More |
| 810 | 537 | SANDUSKY | Michigan | OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC | | More |
| 812 | 537 | LAWRENCEBURG | Indiana | UNITED TEL. CO. OF INDIANA, INC. DBA CENTURYLINK | IND. TELCO | More |
| 813 | 537 | TAMPAWST | Florida | AERIAL COMMUNICATIONS, INC. | WIRELESS PROV | More |
| 814 | 537 | CLARION | Pennsylvania | FINGER LAKES TECHNOLOGIES GROUP, INC. - PA | | More |
| 815 | 537 | PROPHETSTOWN | Illinois | CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL | | More |
| 816 | 537 | KANSAS CITY LEES SU | Missouri | SOUTHWESTERN BELL | RBOC | More |
| 817 | 537 | DALLAS | Texas | CAPROCK TELECOMMUNICATIONS CORP. - TX | CLEC | More |
| 818 | 537 | NORTH HOLLYWOOD | California | AMERICAN MESSAGING SERVICES, LLC | | More |
| 819 | 537 | SHAWINIGAN | Quebec | Bell Canada | IND. TELCO | More |
| 828 | 537 | BAKERSVL | North Carolina | LEVEL 3 COMMUNICATIONS, LLC - NC | | More |
| 830 | 537 | SABINA | Texas | GUADALUPE VALLEY TEL. COOP., INC. | IND. TELCO | More |
| 831 | 537 | SALINAS | California | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | WIRELESS PROV | More |
| 832 | 537 | HOUSTON | Texas | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 843 | 537 | CHERAW | South Carolina | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 845 | 537 | MONROE | New York | NEW CINGULAR WIRELESS PCS, LLC - DC | WIRELESS PROV | More |
| 847 | 537 | WHEELING | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 850 | 537 | BAKER | Florida | CENTURYLINK OF FLORIDA, INC. (CENTRAL) | IND. TELCO | More |
| 856 | 537 | LAUREL SPRINGS | New Jersey | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NJ | CLEC | More |
| 858 | 537 | SAN DIEGO | California | PACIFIC BELL | RBOC | More |
| 859 | 537 | LEXINGTON | Kentucky | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - KY | WIRELESS PROV | More |
| 860 | 537 | COLCHESTER | Connecticut | SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT | IND. TELCO | More |
| 863 | 537 | BARTOW | Florida | FRONTIER FLORIDA LLC DBA FRONTIER COMM OF FLORIDA | IND. TELCO | More |
| 864 | 537 | GREENVILLE | South Carolina | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - SC | CLEC | More |
| 867 | 537 | PELLY CROSSING | Yukon Territory | Northwestel | IND. TELCO | More |
| 870 | 537 | JOINER | Arkansas | SOUTHWESTERN BELL | RBOC | More |
| 901 | 537 | MEMPHIS | Tennessee | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | RBOC | More |
| 902 | 537 | SYDNEY | Nova Scotia | Rogers Communications Partnership (Wireless) | WIRELESS PROV | More |
| 903 | 537 | MOUNT VERNON | Texas | FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS | IND. TELCO | More |
| 904 | 537 | JACKSONVILLE | Florida | POWERTEL JACKSONVILLE LICENSES, INC. | WIRELESS PROV | More |
| 905 | 537 | HAMILTON | Ontario | Rogers Communications Partnership (Wireless) | WIRELESS PROV | More |
| 907 | 537 | STONEY RIVER | Alaska | BUSH-TEL, INC. | IND. TELCO | More |
| 908 | 537 | HAMPTON | New Jersey | UNITED TEL. CO. OF NEW JERSEY DBA CENTURYLINK | IND. TELCO | More |
| 909 | 537 | RIVERSIDE | California | PAETEC COMMUNICATIONS, INC. - CA | CLEC | More |
| 910 | 537 | ST PAULS | North Carolina | BANDWIDTH.COM CLEC, LLC - NC | | More |
| 912 | 537 | VIDALIA | Georgia | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 914 | 537 | WESTCHESTER ZONE 8 | New York | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY | WIRELESS PROV | More |
| 915 | 537 | HAWLEY | Texas | TAYLOR TEL. COOP., INC. | IND. TELCO | More |
| 916 | 537 | FAIR OAKS | California | PACIFIC BELL | RBOC | More |
| 917 | 537 | NEW YORK CITY ZONE | New York | USA MOBILITY WIRELESS, INC. | WIRELESS PROV | More |
| 918 | 537 | MUSKOGEE | Oklahoma | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 919 | 537 | CHAPEL HILL | North Carolina | CENTURYLINK COMMUNICATIONS LLC - NC | CLEC | More |
| 920 | 537 | FOND DU LAC | Wisconsin | ONVOY, LLC - WI | | More |
| 925 | 537 | LIVERMORE | California | TON80 COMMUNICATIONS, LLC | | More |
| 928 | 537 | SHOW LOW | Arizona | CITIZENS TELECOM CO OF WHITE MOUNTAINS INC. | IND. TELCO | More |
| 929 | 537 | NWYRCYZN04 | New York | LTE WIRELESS INC D/B/A LTE WIRELESS - NY | | More |
| 931 | 537 | COOKEVILLE ALGOOD | Tennessee | CITIZENS COMM CO TN DBA FRONTIER COMM OF TN, LLC | IND. TELCO | More |
| 936 | 537 | CONROE | Texas | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX | WIRELESS PROV | More |
| 937 | 537 | MARYSVILLE | Ohio | AERIAL COMMUNICATIONS, INC. | WIRELESS PROV | More |
| 940 | 537 | KIRKLAND | Texas | SANTA ROSA TEL COOP INC | IND. TELCO | More |
| 941 | 537 | TAMPA | Florida | SPRINT SPECTRUM L.P.- FL | PCS | More |
| 949 | 537 | IRVINE | California | ONVOY, LLC - CA | | More |
| 951 | 537 | HEMT HEMT | California | LEVEL 3 TELECOM OF CALIFORNIA, LP - CA | CLEC | More |
| 954 | 537 | FORT LAUDERDALE | Florida | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 956 | 537 | LAREDO | Texas | STPCS JOINT VENTURE, LLC | PCS | More |
| 970 | 537 | KREMMLING | Wyoming | UNION TELEPHONE COMPANY | | More |
| 972 | 537 | LEWISVILLE | Texas | FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS | IND. TELCO | More |
| 973 | 537 | DOVER | New Jersey | VERIZON NEW JERSEY, INC. | RBOC | More |
| 978 | 537 | LEOMINSTER | Massachusetts | VERIZON NEW ENGLAND INC. | RBOC | More |
| 985 | 537 | RACELAND | Louisiana | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | RBOC | More |
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