Area Code | Prefix | City/Switch Name (Click for city search) | State/Prov. Area Map | Telephone Company Web link | Telco Type | More Info |
|---|
| 201 | 397 | HACKENSACK | New Jersey | LEVEL 3 COMMUNICATIONS, LLC - NJ | CLEC | More |
| 202 | 397 | WSHNGTNZN1 | District of Columbia | VERIZON WASHINGTON DC, INC. | RBOC | More |
| 203 | 397 | NEW HAVEN | Connecticut | SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT | IND. TELCO | More |
| 204 | 397 | LITTLE GRAND RAPIDS | Manitoba | MTS Inc. | IND. TELCO | More |
| 205 | 397 | BIRMINGHAM | Alabama | WINDSTREAM NUVOX, INC. | CLEC | More |
| 206 | 397 | SEATTLE | Washington | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 207 | 397 | ROME | Maine | SOMERSET TEL. CO. | IND. TELCO | More |
| 208 | 397 | ABERDEEN | Idaho | ZIPLY FIBER IDAHO, LLC DBA ZIPLY FIBER | IND. TELCO | More |
| 209 | 397 | STOCKTON | California | USA MOBILITY WIRELESS, INC. | WIRELESS PROV | More |
| 210 | 397 | SANANTONIO | Texas | SOUTHWESTERN BELL | RBOC | More |
| 212 | 397 | NWYRCYZN01 | New York | VERIZON NEW YORK, INC. | RBOC | More |
| 213 | 397 | LSAN DA 01 | California | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 214 | 397 | DALLAS | Texas | SOUTHWESTERN BELL | RBOC | More |
| 215 | 397 | PHLDLPHZN2 | Pennsylvania | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA | CLEC | More |
| 216 | 397 | CLEVELAND | Ohio | OHIO BELL TEL CO | RBOC | More |
| 217 | 397 | RANKIN | Illinois | FRONTIER COMMUNICATIONS OF THE CAROLINAS, INC - IL | IND. TELCO | More |
| 218 | 397 | LEADER | Minnesota | CONSOLIDATED TEL. CO. | IND. TELCO | More |
| 219 | 397 | E CHICAGO | Indiana | INDIANA BELL TEL CO INC | RBOC | More |
| 224 | 397 | ALGONQUIN | Illinois | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 225 | 397 | BATONROUGE | Louisiana | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - LA | WIRELESS PROV | More |
| 229 | 397 | ALBANY | Georgia | CITY OF THOMASVILLE | CLEC | More |
| 231 | 397 | MANISTEE | Michigan | OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC | | More |
| 234 | 397 | NILES | Ohio | IP HORIZON LLC | | More |
| 239 | 397 | NAPLES | Florida | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 240 | 397 | WASHINGTON ZONE 2 | Virginia | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | WIRELESS PROV | More |
| 248 | 397 | ROYAL OAK | Michigan | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI | CLEC | More |
| 250 | 397 | FOREST GROVE | British Columbia | TELUS | IND. TELCO | More |
| 251 | 397 | DAUPHIN IS | Alabama | ONVOY, LLC - AL | | More |
| 252 | 397 | TRENTON | North Carolina | BANDWIDTH.COM CLEC, LLC - NC | | More |
| 253 | 397 | AUBURN | Washington | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA | | More |
| 254 | 397 | KILLEEN | Texas | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 256 | 397 | ALEXANDRCY | Alabama | DELTACOM, INC. - AL | CLEC | More |
| 262 | 397 | HARTFORD | Wisconsin | GLOBAL CROSSING TELEMANAGEMENT, INC. - WI | CLEC | More |
| 267 | 397 | YARDLEY | Pennsylvania | NETCARRIER TELECOM, INC. - PA | | More |
| 269 | 397 | WAYLAND | Michigan | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI | WIRELESS PROV | More |
| 270 | 397 | LEITCHFLD | Kentucky | BRANDENBURG TELECOM, LLC - KY | | More |
| 272 | 397 | CARBONDALE | Pennsylvania | NEW CINGULAR WIRELESS PCS, LLC - DC | WIRELESS PROV | More |
| 281 | 397 | BAMMEL | Texas | SOUTHWESTERN BELL | RBOC | More |
| 289 | 397 | Stevensville | Ontario | TELUS Integrated Communications | CLEC | More |
| 301 | 397 | WSNG236Z13 | Maryland | VERIZON MARYLAND, INC. | RBOC | More |
| 302 | 397 | WILMINGTON | Delaware | XO DELAWARE, INC. | CLEC | More |
| 303 | 397 | DENVER | Colorado | QWEST CORPORATION | RBOC | More |
| 304 | 397 | HURRICANE | West Virginia | LEVEL 3 COMMUNICATIONS, LLC - WV | | More |
| 305 | 397 | MIAMI | Florida | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - FL | WIRELESS PROV | More |
| 306 | 397 | EDAM | Saskatchewan | SaskTel | IND. TELCO | More |
| 307 | 397 | HANNA | Wyoming | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 308 | 397 | WAUNETA | Nebraska | WAUNETA TEL. CO. | IND. TELCO | More |
| 309 | 397 | PEORIA | Illinois | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | WIRELESS PROV | More |
| 310 | 397 | SNMN MRVS | California | FRONTIER CALIFORNIA INC. | IND. TELCO | More |
| 312 | 397 | CHICGOZN01 | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 313 | 397 | DETROITZN4 | Michigan | COMCAST IP PHONE, LLC | | More |
| 314 | 397 | LADUE | Missouri | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 315 | 397 | CONSTABLVL | New York | CITIZENS TELECOMM CO OF NY DBA FRONTIER COMM OF NY | IND. TELCO | More |
| 316 | 397 | GODDARD | Kansas | ONVOY, LLC - KS | | More |
| 317 | 397 | INDIANAPOLIS | Indiana | OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC | | More |
| 318 | 397 | MONROE | Louisiana | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | RBOC | More |
| 319 | 397 | CANTRIL | Iowa | VAN BUREN TEL. CO., INC. | IND. TELCO | More |
| 320 | 397 | MONTEVIDEO | Minnesota | CONSOLIDATED COMMUNICATIONS ENTERPRISE SVCS-MN | CLEC | More |
| 321 | 397 | WINTERPARK | Florida | WINDSTREAM NUVOX, INC. | CLEC | More |
| 323 | 397 | LSAN DA 14 | California | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 330 | 397 | YOUNGSTOWN | Ohio | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH | CLEC | More |
| 334 | 397 | CLIO | Alabama | CENTURYTEL TEL AL LLC (SOUTHERN) DBA CENTURYLINK | | More |
| 336 | 397 | WINSTN SAL | North Carolina | WINDSTREAM NUVOX, INC. | CLEC | More |
| 337 | 397 | LEESVILLE | Louisiana | LEVEL 3 COMMUNICATIONS, LLC - LA | | More |
| 346 | 397 | HOUSTON | Texas | TELEPORT COMMUNICATIONS AMERICA, LLC - TX | CAP | More |
| 347 | 397 | NWYRCYZN06 | New York | OMNIPOINT COMMUNICATIONS, INC. - NY | WIRELESS PROV | More |
| 352 | 397 | BROOKSVL | Florida | LEVEL 3 COMMUNICATIONS, LLC - FL | CLEC | More |
| 360 | 397 | VANCOUVER | Oregon | ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM | CLEC | More |
| 361 | 397 | GOLIAD | Texas | FIBER DATA COMMUNICATIONS, INC. | | More |
| 385 | 397 | BOUNTIFUL | Utah | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 386 | 397 | WHITE SPG | Florida | WINDSTREAM FLORIDA, INC. | IND. TELCO | More |
| 401 | 397 | COVENTRY | Rhode Island | VERIZON NEW ENGLAND INC. | RBOC | More |
| 402 | 397 | OMAHA | Nebraska | QWEST CORPORATION | RBOC | More |
| 403 | 397 | MARLBORO | Alberta | Fido Solutions Inc. | | More |
| 404 | 397 | ATLANTA | Georgia | POWERTEL ATLANTA LICENSES, INC. | WIRELESS PROV | More |
| 405 | 397 | OKLA CITY | Oklahoma | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 406 | 397 | HINGHAM | Montana | TRIANGLE TEL. COOP. ASSN., INC. | IND. TELCO | More |
| 407 | 397 | WKISSIMMEE | Florida | CENTURYLINK OF FLORIDA, INC. (UNITED) | IND. TELCO | More |
| 408 | 397 | SNJS WEST | California | USA MOBILITY WIRELESS, INC. | WIRELESS PROV | More |
| 409 | 397 | BON WIER | Texas | VALOR TELECOMM TX, LD-TX #2 DBA WINDSTREAM COMM SW | | More |
| 410 | 397 | WINGATE | Maryland | VERIZON MARYLAND, INC. | RBOC | More |
| 412 | 397 | PTGSBNZN15 | Pennsylvania | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA | CLEC | More |
| 413 | 397 | SO DEERFLD | Massachusetts | VERIZON NEW ENGLAND INC. | RBOC | More |
| 414 | 397 | MILWAUKZN1 | Wisconsin | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 415 | 397 | SNFC CNTRL | California | PACIFIC BELL | RBOC | More |
| 416 | 397 | TORONTO | Ontario | Bell Canada | IND. TELCO | More |
| 417 | 397 | JERICO SPG | Missouri | NUSO, LLC | | More |
| 418 | 397 | ST JOSEPH DE BEAUCE | Quebec | TELUS Quebec | IND. TELCO | More |
| 419 | 397 | MELMORE | Ohio | SYCAMORE TEL. CO. | IND. TELCO | More |
| 423 | 397 | BLOUNTVL | Tennessee | BANDWIDTH.COM CLEC, LLC - TN | | More |
| 424 | 397 | EL SEGUNDO | California | PEERLESS NETWORK OF CALIFORNIA, LLC - CA | | More |
| 425 | 397 | EVERETT | Washington | ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER | IND. TELCO | More |
| 430 | 397 | SHERMAN | Texas | OUTHERN TELCOM NETWORK, INC. - T | | More |
| 432 | 397 | STLAWRENCE | Texas | WES-TEX TELEPHONE COOP., INC. | IND. TELCO | More |
| 438 | 397 | Montreal | Quebec | Videotron General Partnership | | More |
| 440 | 397 | BRECKSVL | Ohio | LEVEL 3 COMMUNICATIONS, LLC - OH | CLEC | More |
| 442 | 397 | PALMDESERT | California | COMCAST IP PHONE, LLC | | More |
| 443 | 397 | CARDIFF | Maryland | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | WIRELESS PROV | More |
| 450 | 397 | St-Jacques | Quebec | Videotron General Partnership | CLEC | More |
| 469 | 397 | DE SOTO | Texas | METROPCS, INC. | | More |
| 470 | 397 | ROCKMART | Georgia | ONVOY, LLC - GA | | More |
| 478 | 397 | WARNERRBNS | Georgia | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 479 | 397 | FORT SMITH | Arkansas | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 480 | 397 | PHOENIX | Arizona | COMCAST IP PHONE, LLC | | More |
| 484 | 397 | ALLENTOWN | Pennsylvania | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | CLEC | More |
| 501 | 397 | REDFIELD | Arkansas | CENTURYTEL OF REDFIELD, INC. DBA CENTURYLINK | IND. TELCO | More |
| 502 | 397 | LOUISVILLE | Kentucky | USA MOBILITY WIRELESS, INC. | WIRELESS PROV | More |
| 503 | 397 | PORTLAND | Oregon | ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM | CLEC | More |
| 503 | 397 | ST HELENS | Oregon | QWEST CORPORATION | RBOC | More |
| 504 | 397 | MORGAN CITY | Louisiana | VOICESTREAM GSM I, LLC | | More |
| 505 | 397 | HOBBS | New Mexico | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 506 | 397 | Tracadie | New Brunswick | Aliant Telecom (Mobility) | | More |
| 507 | 397 | MEDFORD | Minnesota | MCC TELEPHONY OF MINNESOTA, LLC - MN | | More |
| 508 | 397 | NATICK | Massachusetts | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | WIRELESS PROV | More |
| 509 | 397 | COLFAX | Washington | QWEST CORPORATION | RBOC | More |
| 510 | 397 | HAYWARD | California | COMCAST IP PHONE, LLC | | More |
| 512 | 397 | AUSTIN | Texas | SOUTHWESTERN BELL | RBOC | More |
| 513 | 397 | CINCINNATI | Ohio | CINCINNATI BELL | IND. TELCO | More |
| 514 | 397 | MONTREAL | Quebec | Bell Canada | IND. TELCO | More |
| 516 | 397 | SELDEN | New York | USA MOBILITY WIRELESS, INC. | WIRELESS PROV | More |
| 517 | 397 | SAGINAW | Michigan | AT&T - LOCAL | CLEC | More |
| 518 | 397 | CHATHAM | New York | TACONIC TEL. CORP. | IND. TELCO | More |
| 519 | 397 | Chatham | Ontario | TELUS Integrated Communications | CLEC | More |
| 520 | 397 | NOGALES | Arizona | QWEST CORPORATION | RBOC | More |
| 530 | 397 | DORRIS | California | CAL-ORE TELEPHONE CO. | IND. TELCO | More |
| 540 | 397 | ROANOKE | Virginia | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | WIRELESS PROV | More |
| 541 | 397 | THE DALLES | Oregon | LEVEL 3 COMMUNICATIONS, LLC - OR | | More |
| 559 | 397 | DINUBA | California | LEVEL 3 COMMUNICATIONS, LLC - CA | CLEC | More |
| 561 | 397 | JUPITER | Florida | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - FL | WIRELESS PROV | More |
| 562 | 397 | CMTN GRDN | California | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 564 | 397 | VANCOUVER | Washington | ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM | CLEC | More |
| 567 | 397 | MELMORE | Ohio | TIME WARNER CABLE INFORMATION SVCS (OHIO) - OH | | More |
| 570 | 397 | JERMYN | Pennsylvania | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA | CLEC | More |
| 571 | 397 | WSNGTNZN08 | Virginia | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | WIRELESS PROV | More |
| 573 | 397 | COLUMBIA | Missouri | CENTURYTEL OF MISSOURI LLC (CNTL) DBA CENTURYLINK | | More |
| 574 | 397 | SOUTH BEND | Indiana | HD CARRIER LLC | | More |
| 575 | 397 | HOBBS | New Mexico | VALOR TELECOM TX,LP-NM #1 DBA WINDSTREAM COMM SW | | More |
| 580 | 397 | MANITOU | Oklahoma | PIONEER TEL. COOP., INC. | IND. TELCO | More |
| 585 | 397 | ROCHESTER | New York | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | CLEC | More |
| 601 | 397 | JACKSON | Mississippi | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MS | WIRELESS PROV | More |
| 602 | 397 | PHOENIX | Arizona | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ | WIRELESS PROV | More |
| 603 | 397 | DURHAM | New Hampshire | COMCAST IP PHONE, LLC | | More |
| 604 | 397 | Vancouver | British Columbia | Rogers Communications Partnership (Wireless) | WIRELESS PROV | More |
| 605 | 397 | GROTON | South Dakota | JAMES VALLEY COOPERATIVE TELEPHONE COMPANY | IND. TELCO | More |
| 607 | 397 | WORCESTER | New York | VERIZON NEW YORK, INC. | RBOC | More |
| 608 | 397 | LA CROSSE | Wisconsin | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI | WIRELESS PROV | More |
| 609 | 397 | LAMBERTVL | New Jersey | VERIZON NEW JERSEY, INC. | RBOC | More |
| 610 | 397 | PHPHSBZN31 | Pennsylvania | VERIZON PENNSYLVANIA, INC. | RBOC | More |
| 612 | 397 | TWINCITIES | Minnesota | QWEST CORPORATION | RBOC | More |
| 613 | 397 | WOOLER | Ontario | Bell Canada | IND. TELCO | More |
| 614 | 397 | COLUMBUS | Ohio | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 615 | 397 | NASHVILLE | Tennessee | POWERTEL NASHVILLE LICENSES, INC. | WIRELESS PROV | More |
| 616 | 397 | GRAND RPDS | Michigan | AMERICAN MESSAGING SERVICES, LLC | | More |
| 617 | 397 | CAMBRIDGE | Massachusetts | AT&T - LOCAL | CLEC | More |
| 618 | 397 | EDGEMONT | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 619 | 397 | CHULAVISTA | California | PACIFIC BELL | RBOC | More |
| 620 | 397 | DIGHTON | Kansas | S & T TEL. COOP. ASSN. | IND. TELCO | More |
| 626 | 397 | PSDN PSDN | California | PACIFIC BELL | RBOC | More |
| 630 | 397 | GENEVA | Illinois | OVATION COMMUNICATIONS OF ILLINOIS, INC. | CLEC | More |
| 631 | 397 | AMITYVILLE | New York | BANDWIDTH.COM CLEC, LLC - NY | | More |
| 636 | 397 | SAINT PETERS | Missouri | CENTURYTEL MISSOURI LLC (SOUTHWEST)DBA CENTURYLINK | | More |
| 641 | 397 | MARBLE ROCK | Iowa | WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS | | More |
| 646 | 397 | NWYRCYZN01 | New York | BANDWIDTH.COM CLEC, LLC - NY | | More |
| 650 | 397 | SAN FRANCISCO | California | BANDWIDTH.COM CLEC, LLC - CA | | More |
| 651 | 397 | NORTH BRCH | Minnesota | AT&T - LOCAL | CLEC | More |
| 657 | 397 | SANTA ANA | California | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 660 | 397 | EDINA | Missouri | SOUTHWESTERN BELL | RBOC | More |
| 661 | 397 | BAKERSFIELD | California | PACIFIC BELL | RBOC | More |
| 662 | 397 | TUPELO | Mississippi | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 667 | 397 | SOLOMONS | Maryland | ONVOY, LLC - MD | | More |
| 678 | 397 | ATLANTA NORTHEAST | Georgia | ONVOY, LLC - GA | | More |
| 681 | 397 | RAINELLE | West Virginia | TELEPORT COMMUNICATIONS AMERICA, LLC - WV | | More |
| 682 | 397 | NRICHLDHLS | Texas | ONVOY SPECTRUM, LLC | | More |
| 701 | 397 | NIAGARA | North Dakota | POLAR COMMUN MUTUAL AID CORP. | IND. TELCO | More |
| 702 | 397 | OVERTON | Nevada | MOAPA VALLEY TEL. CO. | IND. TELCO | More |
| 703 | 397 | HERNDON | Virginia | VERIZON VIRGINIA, INC. | RBOC | More |
| 704 | 397 | STATESVILLE | North Carolina | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 705 | 397 | Capreol | Ontario | MTS Allstream Inc. | CLEC | More |
| 706 | 397 | VILLANOW | Georgia | GEORGIA WINDSTREAM, INC. | IND. TELCO | More |
| 707 | 397 | MENDOCINO | California | ONVOY, LLC - CA | | More |
| 708 | 397 | OAKBROOK | Illinois | TELEPORT COMMUNICATIONS AMERICA, LLC - IL | CAP | More |
| 712 | 397 | WHITING | Iowa | ONVOY, LLC - IA | | More |
| 713 | 397 | HOUSTON | Texas | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 714 | 397 | ANAHEIM | California | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | WIRELESS PROV | More |
| 715 | 397 | EAU CLAIRE | Wisconsin | WISCONSIN BELL INC | RBOC | More |
| 716 | 397 | JAMESTOWN | New York | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY | WIRELESS PROV | More |
| 717 | 397 | LANCASTER | Pennsylvania | VERIZON PENNSYLVANIA, INC. | RBOC | More |
| 718 | 397 | NYCZ 8 | New York | VERIZON NEW YORK, INC. | RBOC | More |
| 719 | 397 | KANORADO (W KANORAD | Kansas | S & T TEL. COOP. ASSN. | IND. TELCO | More |
| 720 | 397 | DENVER | Colorado | AT&T - LOCAL | CLEC | More |
| 724 | 397 | MARION CENTER | Pennsylvania | VERIZON PENNSYLVANIA, INC. | RBOC | More |
| 727 | 397 | SAINT PETERSBURG | Florida | FRONTIER FLORIDA LLC DBA FRONTIER COMM OF FLORIDA | IND. TELCO | More |
| 732 | 397 | WOODBRIDGE | New Jersey | NEW CINGULAR WIRELESS PCS, LLC - DC | WIRELESS PROV | More |
| 734 | 397 | WAYNE | Michigan | MICHIGAN BELL TEL CO | RBOC | More |
| 740 | 397 | MOUNT VERNON | Ohio | UNITED TEL. CO. OF OHIO DBA CENTURYLINK | IND. TELCO | More |
| 747 | 397 | SNFN SPLV | California | TON80 COMMUNICATIONS, LLC | | More |
| 757 | 397 | NFKZ 3 | Virginia | VERIZON VIRGINIA, INC. | RBOC | More |
| 760 | 397 | OASIS | California | FRONTIER CALIFORNIA INC. | IND. TELCO | More |
| 765 | 397 | KINGMAN | Indiana | INDIANA BELL TEL CO INC | RBOC | More |
| 770 | 397 | ATLANTA NORTHEAST | Georgia | USA MOBILITY WIRELESS, INC. | WIRELESS PROV | More |
| 773 | 397 | CHICAGO ZONE 1 | Illinois | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 774 | 397 | STURBRIDGE | Massachusetts | AIRUS, INC. - MA | | More |
| 775 | 397 | ELKO | Nevada | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 778 | 397 | New Westminster | British Columbia | Shaw Telecom Inc. | | More |
| 779 | 397 | CABERY | Illinois | ONVOY SPECTRUM, LLC | | More |
| 780 | 397 | MARLBORO | Alberta | TELUS | IND. TELCO | More |
| 781 | 397 | MALDEN | Massachusetts | VERIZON NEW ENGLAND INC. | RBOC | More |
| 785 | 397 | BURLINGAME | Kansas | MCC TELEPHONY OF THE MIDWEST, LLC - KS | | More |
| 786 | 397 | MIAMI | Florida | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - FL | WIRELESS PROV | More |
| 787 | 397 | PIOPIEDRAS | Puerto Rico | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 801 | 397 | BOUNTIFUL | Utah | QWEST CORPORATION | RBOC | More |
| 802 | 397 | ST JOHNSBY | Vermont | NEW CINGULAR WIRELESS PCS, LLC - DC | WIRELESS PROV | More |
| 803 | 397 | COLUMBIA | South Carolina | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 804 | 397 | RICHMOND | Virginia | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA | WIRELESS PROV | More |
| 805 | 397 | OXNARD | California | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 806 | 397 | FRITCH | Texas | LEVEL 3 COMMUNICATIONS, LLC - TX | CLEC | More |
| 808 | 397 | KAIMUKI | Hawaii | HAWAIIAN TELCOM, INC. - HI | IND. TELCO | More |
| 810 | 397 | FLINT | Michigan | OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC | | More |
| 812 | 397 | SHELBURN | Indiana | FRONTIER NORTH, INC. - IN | IND. TELCO | More |
| 813 | 397 | TAMPACEN | Florida | AERIAL COMMUNICATIONS, INC. | WIRELESS PROV | More |
| 814 | 397 | ERIE | Pennsylvania | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA | WIRELESS PROV | More |
| 815 | 397 | ROCKFORD | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 816 | 397 | TURNEY | Missouri | ONVOY, LLC - MO | | More |
| 817 | 397 | FRISCO | Texas | GRANDE COMMUNICATIONS NETWORKS, INC. - TX | CLEC | More |
| 818 | 397 | BRBN BRBN | California | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 819 | 397 | ST CYRILLE DE WENDO | Quebec | Telebec Ltee. | IXC | More |
| 828 | 397 | HILDEBRAN | North Carolina | CENTRAL TEL. CO. OF NC DBA CENTURYLINK | IND. TELCO | More |
| 830 | 397 | DEVINE | Texas | AWESOME PAGING, INC. | WIRELESS PROV | More |
| 832 | 397 | HOUSTON CLAY | Texas | SOUTHWESTERN BELL | RBOC | More |
| 843 | 397 | SOUTH CONWAY | South Carolina | HORRY TEL. COOP., INC. | IND. TELCO | More |
| 845 | 397 | MONTICELLO | New York | TC SYSTEMS, INC. - NY | CAP | More |
| 847 | 397 | HOFFMAN ESTATES | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 850 | 397 | FTWALTNBCH | Florida | LEVEL 3 COMMUNICATIONS, LLC - FL | CLEC | More |
| 856 | 397 | CAMDEN | New Jersey | NEW CINGULAR WIRELESS PCS, LLC - DC | WIRELESS PROV | More |
| 857 | 397 | ROXBURY | Massachusetts | OMNIPOINT MIAMI E LICENSE, LLC | PCS | More |
| 858 | 397 | SAN DIEGO | California | COMCAST IP PHONE, LLC | | More |
| 859 | 397 | BOONE | Kentucky | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - KY | WIRELESS PROV | More |
| 860 | 397 | HARTFORD | Connecticut | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | CLEC | More |
| 862 | 397 | DOVER | New Jersey | METROPCS, INC. | | More |
| 863 | 397 | LAKELAND | Florida | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 864 | 397 | PICKENS | South Carolina | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 865 | 397 | DANDRIDGE | Tennessee | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | RBOC | More |
| 870 | 397 | WYNNE | Arkansas | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AR | WIRELESS PROV | More |
| 901 | 397 | MEMPHIS | Tennessee | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | RBOC | More |
| 902 | 397 | Amherst | Nova Scotia | Aliant Telecom (Mobility) | | More |
| 903 | 397 | LONGVIEW | Texas | MATRIX TELECOM, LLC. S/I/I TNCI - TX | CLEC | More |
| 904 | 397 | MACCLENNY | Florida | COMCAST IP PHONE, LLC | | More |
| 905 | 397 | St. Catharines-Thor | Ontario | TELUS Integrated Communications | CLEC | More |
| 906 | 397 | CARNEY | Michigan | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 907 | 397 | WHITTIER | Alaska | GCI COMMUNICATION CORP. DBA GENERAL COMMUNICATION | PCS | More |
| 908 | 397 | PLAINFIELD | New Jersey | OMNIPOINT COMMUNICATIONS, INC. - NJ | WIRELESS PROV | More |
| 909 | 397 | POMONA | California | FRONTIER CALIFORNIA INC. | IND. TELCO | More |
| 910 | 397 | WILMINGTON | North Carolina | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 912 | 397 | ALMA | Georgia | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - GA | WIRELESS PROV | More |
| 913 | 397 | KANSAS CITY | Kansas | SOUTHWESTERN BELL | RBOC | More |
| 914 | 397 | WCHZ 8 | New York | VERIZON NEW YORK, INC. | RBOC | More |
| 915 | 397 | SAINT LAWRENCE | Texas | WES-TEX TELEPHONE COOP., INC. | IND. TELCO | More |
| 916 | 397 | SACRAMENTO: MAIN DA | California | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 917 | 397 | NEW YORK CITY ZONE | New York | BANDWIDTH.COM CLEC, LLC - NY | | More |
| 918 | 397 | TULSA | Oklahoma | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 919 | 397 | RALEIGH | North Carolina | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 920 | 397 | FORT ATKINSON | Wisconsin | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 925 | 397 | OAKLAND | California | ONVOY, LLC - CA | | More |
| 928 | 397 | CASTLEROCK | Arizona | ONVOY, LLC - AZ | | More |
| 929 | 397 | NWYRCYZN06 | New York | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | CLEC | More |
| 931 | 397 | LIVINGSTON | Tennessee | UNITED STATES CELLULAR - TN | WIRELESS PROV | More |
| 936 | 397 | CORRIGAN | Texas | TON80 COMMUNICATIONS, LLC | | More |
| 937 | 397 | DAYTON | Ohio | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 939 | 397 | SANTURCE | Puerto Rico | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 940 | 397 | WICHITA FALLS LAMAR | Texas | SOUTHWESTERN BELL | RBOC | More |
| 949 | 397 | LAGUNA BCH | California | LEVEL 3 COMMUNICATIONS, LLC - CA | CLEC | More |
| 951 | 397 | MURRIETA | California | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 954 | 397 | POMPANO BEACH | Florida | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - FL | WIRELESS PROV | More |
| 956 | 397 | EL SAUZ | Texas | CENTURYLINK COMMUNICATIONS, LLC | | More |
| 970 | 397 | GREELEY | Colorado | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO | WIRELESS PROV | More |
| 971 | 397 | NORTH PL | Oregon | TELNYX LLC | | More |
| 972 | 397 | GRAND PRAIRIE | Texas | USA MOBILITY WIRELESS, INC. | WIRELESS PROV | More |
| 973 | 397 | MORRISTOWN | New Jersey | VERIZON NEW JERSEY, INC. | RBOC | More |
| 978 | 397 | LAWRENCE | Massachusetts | OMNIPOINT MIAMI E LICENSE, LLC | PCS | More |
| 980 | 397 | MONROE | North Carolina | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC | WIRELESS PROV | More |
| 985 | 397 | MORGAN CITY | Louisiana | VOICESTREAM GSM I, LLC | | More |
| 989 | 397 | SAGINAW | Michigan | AT&T - LOCAL | CLEC | More |
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