Area Code | Prefix | City/Switch Name (Click for city search) | State/Prov. Area Map | Telephone Company Web link | Telco Type | More Info |
|---|
| 201 | 571 | PARK RIDGE | New Jersey | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | CLEC | More |
| 202 | 571 | WSHNGTNZN1 | District of Columbia | METROPCS, INC. | | More |
| 203 | 571 | WESTPORT | Connecticut | AT&T - LOCAL | CLEC | More |
| 204 | 571 | BRANDON | Manitoba | MTS Inc. | IND. TELCO | More |
| 205 | 571 | PINSON | Alabama | WINDSTREAM ALABAMA, INC. | IND. TELCO | More |
| 206 | 571 | SEATTLE | Washington | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 207 | 571 | BIDDEFORD | Maine | CTC COMMUNICATIONS CORP. - ME | CLEC | More |
| 208 | 571 | BOISE | Idaho | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 209 | 571 | MODESTO | California | PACIFIC BELL | RBOC | More |
| 210 | 571 | SANANTONIO | Texas | BANDWIDTH.COM CLEC, LLC - TX | | More |
| 212 | 571 | NWYRCYZN01 | New York | VERIZON NEW YORK, INC. | RBOC | More |
| 213 | 571 | LSAN DA 10 | California | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 214 | 571 | DALLAS | Texas | SOUTHWESTERN BELL | RBOC | More |
| 215 | 571 | PHLDLPHZN2 | Pennsylvania | VERIZON PENNSYLVANIA, INC. | RBOC | More |
| 216 | 571 | CLEVELAND | Ohio | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 217 | 571 | MOUNT ZION | Illinois | COMCAST IP PHONE, LLC | | More |
| 218 | 571 | GRAND RPDS | Minnesota | STRATUS NETWORKS | | More |
| 224 | 571 | NORTHBROOK | Illinois | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | WIRELESS PROV | More |
| 225 | 571 | BATONROUGE | Louisiana | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 229 | 571 | THOMASVL | Georgia | NUSO, LLC | | More |
| 231 | 571 | MUSKEGON | Michigan | FRONTIER NORTH, INC. - MI | IND. TELCO | More |
| 234 | 571 | AKRON | Ohio | TIME WARNER CABLE INFORMATION SVCS (OHIO) - OH | | More |
| 239 | 571 | NO NAPLES | Florida | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - FL | WIRELESS PROV | More |
| 240 | 571 | LAUREL238 | Maryland | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | WIRELESS PROV | More |
| 248 | 571 | PONTIAC | Michigan | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 250 | 571 | SOUTH KAMLOOPS | British Columbia | TELUS | IND. TELCO | More |
| 251 | 571 | BAYMINETTE | Alabama | ONVOY, LLC - AL | | More |
| 252 | 571 | NEW BERN | North Carolina | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC | WIRELESS PROV | More |
| 253 | 571 | TACOMA | Washington | QWEST CORPORATION | RBOC | More |
| 256 | 571 | GUNTERSVL | Alabama | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | RBOC | More |
| 260 | 571 | WABASH | Indiana | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 267 | 571 | PHPHSBZN37 | Pennsylvania | BANDWIDTH.COM CLEC, LLC - PA | | More |
| 270 | 571 | LOUISVILLE | Kentucky | LEVEL 3 COMMUNICATIONS, LLC - KY | CLEC | More |
| 281 | 571 | SATSUMA | Texas | TELEPORT COMMUNICATIONS AMERICA, LLC - TX | CAP | More |
| 289 | 571 | Aurora | Ontario | Telnet Communications | | More |
| 301 | 571 | WSHNGTNZN2 | Maryland | VERIZON MARYLAND, INC. | RBOC | More |
| 302 | 571 | WILMINGTON | Delaware | VERIZON DELAWARE, INC. | RBOC | More |
| 303 | 571 | DENVER | Colorado | QWEST CORPORATION | RBOC | More |
| 304 | 571 | LOGAN | West Virginia | NORTH COUNTY COMMUNICATION CORPORATION - CA | CLEC | More |
| 305 | 571 | MIAMI | Florida | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 306 | 571 | Canora | Saskatchewan | TELUS Mobility | PCS | More |
| 308 | 571 | ST PAUL | Nebraska | UNITED STATES CELLULAR - NE | WIRELESS PROV | More |
| 309 | 571 | PEORIA | Illinois | TELNYX LLC | | More |
| 310 | 571 | W ANGELES | California | FRONTIER CALIFORNIA INC. | IND. TELCO | More |
| 312 | 571 | CHICGOZN01 | Illinois | USA MOBILITY WIRELESS, INC. | WIRELESS PROV | More |
| 313 | 571 | DETROITZN2 | Michigan | MICHIGAN BELL TEL CO | RBOC | More |
| 314 | 571 | ST LOUIS | Missouri | SOUTHWESTERN BELL | RBOC | More |
| 315 | 571 | ROME | New York | CHOICE ONE COMMUNICATIONS, INC. - NY | CLEC | More |
| 317 | 571 | CARMEL | Indiana | INDIANA BELL TEL CO INC | RBOC | More |
| 318 | 571 | SODODGE CY | Arkansas | CENTURYTEL OF SOUTH ARKANSAS, INC. DBA CENTURYLINK | IND. TELCO | More |
| 319 | 571 | MUSCATINE | Iowa | IOWA WIRELESS SERVICES, LP | PCS | More |
| 323 | 571 | LSAN DA 13 | California | METROPCS NETWORKS, LLC | | More |
| 330 | 571 | AKRON | Ohio | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH | WIRELESS PROV | More |
| 334 | 571 | MONTGOMERY | Alabama | USA MOBILITY WIRELESS, INC. | WIRELESS PROV | More |
| 336 | 571 | ELKIN | North Carolina | RIVERSTREET COMMUNICATIONS OF NO CAROLINA - NC | | More |
| 337 | 571 | LAFAYETTE | Louisiana | TELEPORT COMMUNICATIONS AMERICA LA - LLC | | More |
| 346 | 571 | HOUSTON | Texas | COMCAST IP PHONE, LLC | | More |
| 347 | 571 | NWYRCYZN10 | New York | BROADVIEW NETWORKS, INC. - NY | CLEC | More |
| 352 | 571 | WILDWOOD | Florida | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - FL | WIRELESS PROV | More |
| 360 | 571 | VANCOUVER | Washington | QWEST CORPORATION | RBOC | More |
| 361 | 571 | VICTORIA | Texas | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 385 | 571 | KAYSVILLE | Utah | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 402 | 571 | OMAHA | Nebraska | QWEST CORPORATION | RBOC | More |
| 403 | 571 | CALGARY | Alberta | TELUS | IND. TELCO | More |
| 404 | 571 | ATLANTA | Georgia | AMERICAN MESSAGING SERVICES, LLC | | More |
| 405 | 571 | STILLWATER | Oklahoma | LEVEL 3 COMMUNICATIONS, LLC - OK | | More |
| 406 | 571 | FINLEY PT | Montana | BRESNAN BROADBAND OF MONTANA, LLC - MT [CHARTER] | | More |
| 407 | 571 | WINTERPARK | Florida | US LEC OF FLORIDA, INC. | CLEC | More |
| 408 | 571 | SNJS NORTH | California | PACIFIC BELL | RBOC | More |
| 409 | 571 | BUNA | Texas | LEVEL 3 COMMUNICATIONS, LLC - TX | CLEC | More |
| 410 | 571 | ANNAPOLIS | Maryland | VERIZON MARYLAND, INC. | RBOC | More |
| 412 | 571 | PTTSBGZON6 | Pennsylvania | VERIZON PENNSYLVANIA, INC. | RBOC | More |
| 413 | 571 | GREAT BARRINGTON | Massachusetts | PAETEC COMMUNICATIONS, INC. - MA | CLEC | More |
| 414 | 571 | MILWAUKZN5 | Wisconsin | WISCONSIN BELL INC | RBOC | More |
| 415 | 571 | SNFC MT-EV | California | TELEPORT COMMUNICATIONS AMERICA, LLC - CA | CLEC | More |
| 416 | 571 | TORONTO | Ontario | Bell Mobility | WIRELESS PROV | More |
| 417 | 571 | JOPLIN | Missouri | CALLWORKS CORPORATION | | More |
| 418 | 571 | QUEBEC | Quebec | Bell Mobility | WIRELESS PROV | More |
| 419 | 571 | MANSFIELD | Ohio | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH | WIRELESS PROV | More |
| 423 | 571 | MIDWAY SUL | Tennessee | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN | WIRELESS PROV | More |
| 424 | 571 | TORRANCE | California | METROPCS NETWORKS, LLC | | More |
| 430 | 571 | GRANDSALIN | Texas | OUTHERN TELCOM NETWORK, INC. - T | | More |
| 432 | 571 | MIDLAND | Texas | SOUTHWESTERN BELL | RBOC | More |
| 435 | 571 | PARK CITY | Utah | LEVEL 3 COMMUNICATIONS, LLC - UT | | More |
| 440 | 571 | WILLOUGHBY | Ohio | OHIO BELL TEL CO | RBOC | More |
| 443 | 571 | BALTIMORE | Maryland | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | WIRELESS PROV | More |
| 450 | 571 | St-Ours | Quebec | Videotron General Partnership | CLEC | More |
| 469 | 571 | GRANDPRARI | Texas | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 470 | 571 | ATLANTA | Georgia | CSC WIRELESS, LLC | | More |
| 479 | 571 | FAYETTEVL | Arkansas | SOUTHWESTERN BELL | RBOC | More |
| 480 | 571 | PHOENIX | Arizona | ONVOY, LLC - AZ | | More |
| 484 | 571 | PHPHSBZN23 | Pennsylvania | OMNIPOINT COMMUNICATIONS ENTERPRISES, LP | WIRELESS PROV | More |
| 501 | 571 | FAYETTEVILLE | Arkansas | ONVOY, LLC - AR | | More |
| 502 | 571 | LOUISVILLE | Kentucky | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | RBOC | More |
| 503 | 571 | CLACKAMAS | Oregon | QWEST CORPORATION | RBOC | More |
| 504 | 571 | NEWORLEANS | Louisiana | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | RBOC | More |
| 505 | 571 | LAS CRUCES | New Mexico | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 507 | 571 | WASECA | Minnesota | BANDWIDTH.COM CLEC, LLC - MN | | More |
| 508 | 571 | NORTHBORO | Massachusetts | TC SYSTEMS, INC. | CAP | More |
| 509 | 571 | CUSICK | Washington | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA | | More |
| 510 | 571 | HAYWARD | California | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 512 | 571 | AUSTIN | Texas | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX | WIRELESS PROV | More |
| 513 | 571 | MIDDLETOWN | Ohio | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 514 | 571 | MONTREAL | Quebec | Fido Solutions Inc. | | More |
| 515 | 571 | FORT DODGE | Iowa | UNITED STATES CELLULAR - IA | WIRELESS PROV | More |
| 516 | 571 | NASSAUZN05 | New York | VERIZON NEW YORK, INC. | RBOC | More |
| 517 | 571 | HOWELL | Michigan | USA MOBILITY WIRELESS, INC. | WIRELESS PROV | More |
| 518 | 571 | PLATTSBG | New York | CITIZENS TELECOMM CO OF NY DBA FRONTIER COMM OF NY | IND. TELCO | More |
| 519 | 571 | KITCHENER | Ontario | Bell Canada | IND. TELCO | More |
| 520 | 571 | TUCSON | Arizona | QWEST CORPORATION | RBOC | More |
| 530 | 571 | CHICO | California | UTILITY TELECOM GROUP, LLC - CA | | More |
| 531 | 571 | WAKEFIELD | Nebraska | ONVOY, LLC - NE | | More |
| 540 | 571 | FREDECKSBG | Virginia | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA | WIRELESS PROV | More |
| 541 | 571 | HERMISTON | Oregon | UNITED STATES CELLULAR - OR | WIRELESS PROV | More |
| 559 | 571 | VISALIA | California | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 561 | 571 | SEBASTIAN | Florida | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - FL | CLEC | More |
| 562 | 571 | DOWNEY | California | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 563 | 571 | MUSCATINE | Iowa | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 570 | 571 | STROUDSBURG | Pennsylvania | CORE COMMUNICATIONS, INC. - PA | | More |
| 573 | 571 | ST ROBERT | Missouri | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO | | More |
| 575 | 571 | LAS CRUCES | New Mexico | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 580 | 571 | WOODWARD | Oklahoma | SOUTHWESTERN BELL | RBOC | More |
| 585 | 571 | SCOTTSVL | New York | PAETEC COMMUNICATIONS, INC. - NY | CLEC | More |
| 586 | 571 | CENTERLINE | Michigan | ONVOY, LLCV - MI | | More |
| 601 | 571 | NATCHEZ | Mississippi | METROPCS, INC. | | More |
| 602 | 571 | PHOENIX | Arizona | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ | WIRELESS PROV | More |
| 603 | 571 | DERRY | New Hampshire | NEW CINGULAR WIRELESS PCS, LLC - DC | WIRELESS PROV | More |
| 604 | 571 | NEW WESTMINISTER | British Columbia | TELUS | IND. TELCO | More |
| 605 | 571 | DEADWOOD | South Dakota | MIDCONTINENT COMMUNICATIONS. - SD | CLEC | More |
| 606 | 571 | ASHLAND | Kentucky | POWERTEL KENTUCKY LICENSES, INC. | | More |
| 608 | 571 | MADISON | Wisconsin | PEERLESS NETWORK OF WISCONSIN, LLC - WI | | More |
| 609 | 571 | TRENTON | New Jersey | AT&T - LOCAL | CLEC | More |
| 610 | 571 | BATH | Pennsylvania | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | CLEC | More |
| 613 | 571 | Cornwall | Ontario | Bell Mobility | WIRELESS PROV | More |
| 614 | 571 | COLUMBUS | Ohio | AERIAL COMMUNICATIONS, INC. | WIRELESS PROV | More |
| 615 | 571 | NASHVILLE | Tennessee | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN | WIRELESS PROV | More |
| 617 | 571 | BOSTON | Massachusetts | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | WIRELESS PROV | More |
| 618 | 571 | PINCKNEYVL | Illinois | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | WIRELESS PROV | More |
| 619 | 571 | SNDG SNDG | California | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 620 | 571 | XXXXXXXXXX | Kansas | IDEATEK TELCOM, LLC - KS | | More |
| 626 | 571 | ALHAMBRA | California | PACIFIC BELL | RBOC | More |
| 630 | 571 | HINSDALE | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 631 | 571 | ORIENT | New York | PEERLESS NETWORK OF NEW YORK, LLC - NY | | More |
| 639 | 571 | Regina | Saskatchewan | SaskTel Mobility | | More |
| 646 | 571 | NWYRCYZN02 | New York | OMNIPOINT COMMUNICATIONS, INC. - NY | WIRELESS PROV | More |
| 650 | 571 | SAN MATEO | California | PACIFIC BELL | RBOC | More |
| 651 | 571 | STILLWATER | Minnesota | COMCAST IP PHONE, LLC | | More |
| 657 | 571 | YORBALINDA | California | BANDWIDTH.COM CLEC, LLC - CA | | More |
| 661 | 571 | LANCASTER | California | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | WIRELESS PROV | More |
| 662 | 571 | YAZOO CITY | Mississippi | CELLULAR SOUTH, INC. | WIRELESS PROV | More |
| 678 | 571 | NORCROSS | Georgia | METROPCS, INC. | | More |
| 701 | 571 | WILLISTON | North Dakota | SAGEBRUSH CELLULAR, INC. | | More |
| 702 | 571 | LAS VEGAS | Nevada | CENTRAL TEL. CO. - NEVADA DBA CENTURYLINK | IND. TELCO | More |
| 703 | 571 | WSNGTNZN08 | Virginia | VERIZON VIRGINIA, INC. | RBOC | More |
| 704 | 571 | CHARLOTTE | North Carolina | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 705 | 571 | HUNTSVILLE | Ontario | Rogers Communications Partnership (Wireless) | WIRELESS PROV | More |
| 706 | 571 | COLUMBUS | Georgia | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 707 | 571 | SANTA ROSA | California | PACIFIC BELL | RBOC | More |
| 708 | 571 | LA GRANGE | Illinois | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 709 | 571 | Gander | Newfoundland | TELUS Mobility | PCS | More |
| 712 | 571 | WESTPHALIA | Iowa | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | WIRELESS PROV | More |
| 713 | 571 | HOUSTON CLAY | Texas | SOUTHWESTERN BELL | RBOC | More |
| 714 | 571 | SANTA ANA | California | PACIFIC BELL | RBOC | More |
| 715 | 571 | WAUSAU | Wisconsin | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 716 | 571 | ROCHESTER | New York | ONVOY, LLC- NY | | More |
| 717 | 571 | HARRISBURG CITY ZON | Pennsylvania | NEW CINGULAR WIRELESS PCS, LLC - DC | WIRELESS PROV | More |
| 718 | 571 | NYCZ 6 | New York | VERIZON NEW YORK, INC. | RBOC | More |
| 719 | 571 | SPRINGFIELD | Colorado | QWEST CORPORATION | RBOC | More |
| 720 | 571 | ALLNSPKLYN | Colorado | ONVOY, LLC - CO | | More |
| 724 | 571 | VANDERGRIFT | Pennsylvania | VERIZON NORTH, INC. - PA | IND. TELCO | More |
| 727 | 571 | FEATHER SOUND | Florida | FRONTIER FLORIDA LLC DBA FRONTIER COMM OF FLORIDA | IND. TELCO | More |
| 731 | 571 | JACKSON | Tennessee | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN | WIRELESS PROV | More |
| 732 | 571 | LONG BRANCH | New Jersey | VERIZON NEW JERSEY, INC. | RBOC | More |
| 734 | 571 | TRENTON | Michigan | TELNET WORLDWIDE, INC. | CLEC | More |
| 740 | 571 | CIRCLEVILLE | Ohio | LEVEL 3 COMMUNICATIONS, LLC - OH | CLEC | More |
| 757 | 571 | FRANKLIN | Virginia | CHARTER FIBERLINK VA-CCO, LLC - VA | | More |
| 760 | 571 | SAN DIEGO | California | LEVEL 3 TELECOM OF CALIFORNIA, LP - CA | CLEC | More |
| 763 | 571 | FRIDLEY | Minnesota | QWEST CORPORATION | RBOC | More |
| 765 | 571 | KNIGHTSTN | Indiana | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN | WIRELESS PROV | More |
| 770 | 571 | NORCROSS | Georgia | MERRYVILLE INVESTMENTS, LTD DBA BEST PAGE | WIRELESS PROV | More |
| 772 | 571 | SEBASTIAN | Florida | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 773 | 571 | CHICGOZN07 | Illinois | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | WIRELESS PROV | More |
| 774 | 571 | FRANKLIN | Massachusetts | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | WIRELESS PROV | More |
| 775 | 571 | PAHRUMP | Nevada | PEERLESS NETWORK OF NEVADA, LLC - NV | | More |
| 778 | 571 | Cloverdale | British Columbia | TELUS | IND. TELCO | More |
| 780 | 571 | Spruce Grove | Alberta | Shaw Telecom Inc. | | More |
| 781 | 571 | WEYMOUTH | Massachusetts | OMNIPOINT MIAMI E LICENSE, LLC | PCS | More |
| 785 | 571 | ABILENE | Kansas | LEVEL 3 COMMUNICATIONS, LLC - KS | | More |
| 786 | 571 | NORTH DADE | Florida | OMNIPOINT MIAMI E LICENSE, LLC | PCS | More |
| 787 | 571 | BAYAMON NORTE | Puerto Rico | IP SOLUTIONS, INC. - PR | | More |
| 801 | 571 | MIDVALE | Utah | QWEST CORPORATION | RBOC | More |
| 803 | 571 | BARNWELL | South Carolina | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SC | WIRELESS PROV | More |
| 804 | 571 | RICHMOND | Virginia | BANDWIDTH.COM CLEC, LLC - VA | | More |
| 805 | 571 | ELLWOOD | California | FRONTIER CALIFORNIA INC. | IND. TELCO | More |
| 806 | 571 | WELLINGTON | Texas | CENTURYLINK COMMUNICATIONS, LLC | | More |
| 808 | 571 | KAKAAKO | Hawaii | USA MOBILITY WIRELESS, INC. | WIRELESS PROV | More |
| 810 | 571 | PONTIAC | Michigan | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 812 | 571 | BLOOMINGTON | Indiana | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN | WIRELESS PROV | More |
| 813 | 571 | TAMPA | Florida | FRONTIER FLORIDA LLC DBA FRONTIER COMM OF FLORIDA | IND. TELCO | More |
| 814 | 571 | BELLEFONTE | Pennsylvania | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA | WIRELESS PROV | More |
| 815 | 571 | SHANNON | Illinois | MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL | | More |
| 816 | 571 | KANSAS CITY MCGEE | Missouri | TELEPORT COMMUNICATIONS AMERICA, LLC - MO | CLEC | More |
| 817 | 571 | FORT WORTH EULESS | Texas | SOUTHWESTERN BELL | RBOC | More |
| 818 | 571 | VAN NUYS | California | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 819 | 571 | SHERBROOKE | Quebec | Bell Mobility | WIRELESS PROV | More |
| 828 | 571 | SWANNANOA | North Carolina | BANDWIDTH.COM CLEC, LLC - NC | | More |
| 832 | 571 | HOUSTON | Texas | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX | WIRELESS PROV | More |
| 843 | 571 | CHARLESTON | South Carolina | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 845 | 571 | SPRING VALLEY | New York | AMERICAN NETWORK, INC. | CLEC | More |
| 847 | 571 | CHICAGO | Illinois | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 850 | 571 | ENSLEY | Florida | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - FL | CLEC | More |
| 856 | 571 | CAMDEN | New Jersey | NEW CINGULAR WIRELESS PCS, LLC - DC | WIRELESS PROV | More |
| 858 | 571 | SAN DIEGO | California | PACIFIC BELL | RBOC | More |
| 860 | 571 | WETHERSFIELD | Connecticut | SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT | IND. TELCO | More |
| 862 | 571 | PASSAIC | New Jersey | OMNIPOINT COMMUNICATIONS, INC. - NJ | WIRELESS PROV | More |
| 863 | 571 | SEBRING | Florida | NOVUS COMMUNICATIONS, INC. - FL | | More |
| 864 | 571 | WESTMINSTR | South Carolina | BANDWIDTH.COM CLEC, LLC - SC | | More |
| 870 | 571 | TEXARKANA | Arkansas | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 901 | 571 | MEMPHIS | Tennessee | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 903 | 571 | TYLER | Texas | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX | WIRELESS PROV | More |
| 904 | 571 | JACKSONVILLE | Florida | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 905 | 571 | OSHAWA | Ontario | Bell Canada | IND. TELCO | More |
| 907 | 571 | ILIAMNA | Alaska | INTERIOR TEL. CO., INC. | IND. TELCO | More |
| 908 | 571 | BERNARDSVILLE | New Jersey | DISH WIRELESS, LLC | | More |
| 909 | 571 | SAN BERNADINO | California | TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB | | More |
| 910 | 571 | TROY | North Carolina | CENTRAL TEL. CO. OF NC DBA CENTURYLINK | IND. TELCO | More |
| 912 | 571 | MACON | Georgia | POWERTEL ATLANTA LICENSES, INC. | WIRELESS PROV | More |
| 913 | 571 | KANSAS CITY | Kansas | SOUTHWESTERN BELL - KS | RBOC | More |
| 914 | 571 | WSCHSTZN03 | New York | NEW CINGULAR WIRELESS PCS, LLC - DC | WIRELESS PROV | More |
| 915 | 571 | MIDLAND MUTUAL | Texas | SOUTHWESTERN BELL | RBOC | More |
| 916 | 571 | SCRM NORTH | California | COMCAST IP PHONE, LLC | | More |
| 917 | 571 | NYCZ 1 | New York | LTE WIRELESS INC D/B/A LTE WIRELESS - NY | | More |
| 918 | 571 | SALLISAW | Oklahoma | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 919 | 571 | RALEIGH | North Carolina | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 920 | 571 | MANITOWOC | Wisconsin | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 925 | 571 | BISHOP RANCH | California | NORTH COUNTY COMMUNICATION CORPORATION - CA | CLEC | More |
| 929 | 571 | NWYRCYZN12 | New York | WHITESKY COMMUNICATIONS, LLC | | More |
| 931 | 571 | TULLAHOMA | Tennessee | POWERTEL NASHVILLE LICENSES, INC. | WIRELESS PROV | More |
| 936 | 571 | ANDERSON | Texas | LEVEL 3 COMMUNICATIONS, LLC - TX | CLEC | More |
| 937 | 571 | WILMINGTON | Ohio | LEVEL 3 COMMUNICATIONS, LLC - OH | CLEC | More |
| 940 | 571 | BENJAMIN | Texas | AMA COMM., LLC DBA AMA*TECHTEL COMMUNICATIONS-TX | | More |
| 941 | 571 | NORTH NAPLES | Florida | ALLTEL WIRELESS HOLDINGS, LLC - FL | | More |
| 949 | 571 | IRVINE | California | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | WIRELESS PROV | More |
| 951 | 571 | MORENO | California | PACIFIC BELL (COMPETITIVE) | CLEC | More |
| 954 | 571 | DEERFIELD BEACH | Florida | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 956 | 571 | HARLINGEN | Texas | STPCS JOINT VENTURE, LLC | PCS | More |
| 970 | 571 | STERLING | Colorado | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO | WIRELESS PROV | More |
| 971 | 571 | GRESHAM | Oregon | ONVOY, LLC - OR | | More |
| 972 | 571 | DALLAS | Texas | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 973 | 571 | MONTCLAIR | New Jersey | VERIZON NEW JERSEY, INC. | RBOC | More |
| 978 | 571 | BOSTON | Massachusetts | PAETEC COMMUNICATIONS, INC. - MA | CLEC | More |
| 979 | 571 | BRYAN | Texas | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 989 | 571 | VASSAR | Michigan | 123.NET, INC. | CLEC | More |
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