Area
Code | Prefix | City/Switch Name
(Click for city search) | State/Prov.
Area Map | Telephone Company
Web link | Telco
Type | More
Info |
|---|
| 201 | 357 | TEANECK | New Jersey | AT&T LOCAL | CLEC | More |
| 202 | 357 | WSHNGTNZN1 | District of Columbia | VERIZON WASHINGTON, DC INC. | RBOC | More |
| 203 | 357 | STAMFORD | Connecticut | SOUTHERN NEW ENGLAND TELEPHONE CO. | IND. TELCO | More |
| 204 | 357 | CORMORANT | Manitoba | MTS Inc. | IND. TELCO | More |
| 205 | 357 | LINCOLN | Alabama | DELTACOM, INC. - AL | CLEC | More |
| 206 | 357 | SEATTLE | Washington | XO WASHINGTON, INC. | CAP | More |
| 207 | 357 | RUMFORD | Maine | UNITED STATES CELLULAR CORP. - MAINE | WIRELESS PROV | More |
| 208 | 357 | IDAHOFALLS | Idaho | QWEST CORPORATION | RBOC | More |
| 209 | 357 | ATWATER | California | PACIFIC BELL | RBOC | More |
| 210 | 357 | SANANTONIO | Texas | SOUTHWESTERN BELL | RBOC | More |
| 212 | 357 | NWYRCYZN01 | New York | VERIZON NEW YORK, INC. | RBOC | More |
| 213 | 357 | LSAN DA 10 | California | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 214 | 357 | DALLAS | Texas | SOUTHWESTERN BELL | RBOC | More |
| 215 | 357 | PHPHSBZN40 | Pennsylvania | VERIZON PENNSYLVANIA, INC. | RBOC | More |
| 216 | 357 | CLEVELAND | Ohio | AMERITECH OHIO | RBOC | More |
| 217 | 357 | CARTHAGE | Illinois | CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL | | More |
| 218 | 357 | WRIGHT | Minnesota | CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN | | More |
| 224 | 357 | CARY | Illinois | SBC INTERNET SERVICES, INC. | | More |
| 225 | 357 | BATONROUGE | Louisiana | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | RBOC | More |
| 226 | 357 | Sarnia | Ontario | TELUS Integrated Communications | CLEC | More |
| 228 | 357 | GULFPORT | Mississippi | ALEC, LLC - MS | | More |
| 229 | 357 | ALBANY | Georgia | SOUTHERN COMMUNICATIONS SERVICES | WIRELESS PROV | More |
| 231 | 357 | TRAVERSECY | Michigan | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI | WIRELESS PROV | More |
| 239 | 357 | FORT MYERS | Florida | SPRINT SPECTRUM L.P. | PCS | More |
| 240 | 357 | FREDERICK | Maryland | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | WIRELESS PROV | More |
| 248 | 357 | SOUTHFIELD | Michigan | AMERITECH MICHIGAN | RBOC | More |
| 249 | 357 | Peterborough | Ontario | TELUS Mobility | CAP | More |
| 250 | 357 | SALMO | British Columbia | TELUS | IND. TELCO | More |
| 251 | 357 | HUXFORD | Alabama | MCC TELEPHONY OF THE SOUTH, LLC - AL | | More |
| 252 | 357 | GATESVILLE | North Carolina | CAROLINA TEL AND TEL CO., LLC DBA CENTURYLINK | IND. TELCO | More |
| 256 | 357 | WEDOWEE | Alabama | CENTURYTEL TEL AL LLC (NORTHERN) DBA CENTURYLINK | | More |
| 260 | 357 | GARRETT | Indiana | FRONTIER NORTH, INC. - IN | IND. TELCO | More |
| 262 | 357 | WEST BEND | Wisconsin | TELEPORT COMMUNICATIONS GROUP - MILWAUKEE | CAP | More |
| 267 | 357 | PHLDLPHZN1 | Pennsylvania | NEW CINGULAR WIRELESS PCS, LLC - DC | WIRELESS PROV | More |
| 269 | 357 | NILES | Indiana | SPRINT SPECTRUM L.P. | PCS | More |
| 270 | 357 | FAIRDEALNG | Kentucky | MCC TELEPHONY OF THE SOUTH, LLC - KY | | More |
| 281 | 357 | TOMBALL | Texas | SOUTHWESTERN BELL | RBOC | More |
| 289 | 357 | Maple | Ontario | TELUS Integrated Communications | CLEC | More |
| 301 | 357 | WSHNGTNZN3 | District of Columbia | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | WIRELESS PROV | More |
| 302 | 357 | WILMINGTON | Delaware | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DE | WIRELESS PROV | More |
| 303 | 357 | DENVER | Colorado | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | CLEC | More |
| 304 | 357 | CHRLSTNZN1 | West Virginia | FRONTIER WEST VIRGINIA INC. | RBOC | More |
| 305 | 357 | MIAMI | Florida | XO FLORIDA, INC. | CLEC | More |
| 306 | 357 | WISETON | Saskatchewan | SaskTel | IND. TELCO | More |
| 307 | 357 | DOUGLAS | Wyoming | RT COMMUNICATIONS, INC. | PCS | More |
| 308 | 357 | BELGRADE | Nebraska | GREAT PLAINS COMMUNICATIONS, INC. | IND. TELCO | More |
| 309 | 357 | CANTON | Illinois | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | WIRELESS PROV | More |
| 310 | 357 | TORRANCE | California | TELEPORT COMMUNICATIONS GROUP - LOS ANGELES | CLEC | More |
| 312 | 357 | CHICGOZN01 | Illinois | AMERITECH ILLINOIS | RBOC | More |
| 313 | 357 | DETROITZN6 | Michigan | LONG DISTANCE OF MICHIGAN, INC. DBA LDMI - MI | | More |
| 314 | 357 | LADUE | Missouri | SPRINT SPECTRUM L.P. | PCS | More |
| 315 | 357 | EAGLE BAY | New York | CITIZENS TELECOMM CO OF NY DBA FRONTIER COMM OF NY | IND. TELCO | More |
| 316 | 357 | TOWANDA | Kansas | SPRINT SPECTRUM L.P. | PCS | More |
| 317 | 357 | INDIANAPLS | Indiana | AMERITECH INDIANA | RBOC | More |
| 318 | 357 | NATCHITCHS | Louisiana | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | RBOC | More |
| 319 | 357 | FAIRFAX | Iowa | MCC TELEPHONY OF IOWA, LLC - IA | | More |
| 320 | 357 | LONGPRAIRI | Minnesota | LEVEL 3 COMMUNICATIONS, LLC - MN | | More |
| 323 | 357 | LSAN DA 06 | California | PACIFIC BELL | RBOC | More |
| 325 | 357 | MOZELLE | Texas | COLEMAN COUNTY TELEPHONE COOPERATIVE, INC. | IND. TELCO | More |
| 330 | 357 | MANTUA | Ohio | ICG TELECOM GROUP - OH | CLEC | More |
| 334 | 357 | THOMASVL | Alabama | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL | WIRELESS PROV | More |
| 336 | 357 | LEXINGTON | North Carolina | WINDSTREAM LEXCOM COMMMUNICATIONS, INC. | IND. TELCO | More |
| 337 | 357 | WEEKS IS | Louisiana | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - LA | WIRELESS PROV | More |
| 343 | 357 | Bancroft | Ontario | TELUS Integrated Communications | CLEC | More |
| 347 | 357 | NWYRCYZN11 | New York | METRO PCS, INC. | | More |
| 352 | 357 | EUSTIS | Florida | EMBARQ FLORIDA, INC. DBA CENTURYLINK | IND. TELCO | More |
| 360 | 357 | OLYMPIA | Washington | QWEST CORPORATION | RBOC | More |
| 361 | 357 | ROBSTOWN | Texas | FIBER DATA COMMUNICATIONS, INC. | | More |
| 385 | 357 | PROVO | Utah | US WEST COMMUNICATIONS - MOUNTAIN BELL - UT | RBOC | More |
| 401 | 357 | WOONSOCKET | Rhode Island | VERIZON NEW ENGLAND INC. | RBOC | More |
| 402 | 357 | WYFRYCSTHL | Nebraska | GREAT PLAINS COMMUNICATIONS, INC. | IND. TELCO | More |
| 403 | 357 | RED DEER | Alberta | TELUS | IND. TELCO | More |
| 404 | 357 | ATLANTA | Georgia | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - GA | WIRELESS PROV | More |
| 405 | 357 | WHEATLAND | Oklahoma | WESTERN COMMUNICATIONS, INC DBA LOGIX COMM - OK | CLEC | More |
| 406 | 357 | CHINOOK | Montana | TRIANGLE TELEPHONE COOPERATIVE ASSN., INC. | IND. TELCO | More |
| 407 | 357 | SANFORD | Florida | EMBARQ COMMUNICATIONS, INC DBA CENTURYLINK COMM-FL | CAP | More |
| 408 | 357 | LOS GATOS | California | VERIZON CALIFORNIA INC.-CA (GTE) | IND. TELCO | More |
| 409 | 357 | INDUSTRY | Texas | INDUSTRY TELEPHONE CO. | IND. TELCO | More |
| 410 | 357 | PARKTON | Maryland | VERIZON MARYLAND, INC. | RBOC | More |
| 412 | 357 | PTGSBNZN22 | Pennsylvania | LEVEL 3 COMMUNICATIONS, LLC - PA | CLEC | More |
| 413 | 357 | GRANVILLE | Massachusetts | VERIZON NEW ENGLAND INC. | RBOC | More |
| 414 | 357 | MILWAUKZN4 | Wisconsin | AMERITECH WISCONSIN | RBOC | More |
| 415 | 357 | SNFC CNTRL | California | PACIFIC BELL | RBOC | More |
| 416 | 357 | Toronto | Ontario | Rogers Communications Partnership (Wireless) | WIRELESS PROV | More |
| 417 | 357 | GALENA | Missouri | CENTURYTEL MISSOURI LLC (SOUTHWEST)DBA CENTURYLINK | | More |
| 418 | 357 | Saint-Pamphile | Quebec | TELUS Quebec | IND. TELCO | More |
| 419 | 357 | SANDUSKY | Ohio | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH | WIRELESS PROV | More |
| 423 | 357 | CHURCHHILL | Tennessee | UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN | IND. TELCO | More |
| 424 | 357 | BEVERLYHLS | California | TELEPORT COMMUNICATIONS GROUP - LOS ANGELES | CLEC | More |
| 425 | 357 | SILVERLAKE | Washington | FRONTIER COMMUNICATIONS NORTHWEST INC. - WA | IND. TELCO | More |
| 440 | 357 | PAINESVL | Ohio | AMERITECH OHIO | RBOC | More |
| 443 | 357 | PIKESVILLE | Maryland | VERIZON MARYLAND, INC. | RBOC | More |
| 450 | 357 | ST JEAN | Quebec | Bell Canada | IND. TELCO | More |
| 469 | 357 | DALLAS | Texas | TELEPORT COMMUNICATIONS GROUP - DALLAS | CAP | More |
| 470 | 357 | ATLANTA | Georgia | DELTACOM, INC. - GA | CLEC | More |
| 478 | 357 | SANDERSVL | Georgia | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - GA | WIRELESS PROV | More |
| 479 | 357 | GREENWOOD | Oklahoma | SPRINT SPECTRUM L.P. | PCS | More |
| 480 | 357 | PHOENIX | Arizona | QWEST CORPORATION | RBOC | More |
| 484 | 357 | ALLENTOWN | Pennsylvania | SPRINT SPECTRUM L.P. | PCS | More |
| 501 | 357 | GREENWOOD | Arkansas | SPRINT SPECTRUM L.P.- AR | PCS | More |
| 502 | 357 | LOUISVILLE | Kentucky | TELCOVE OF KENTUCKY, INC. - KY | CLEC | More |
| 503 | 357 | BEAVERTON | Oregon | FRONTIER COMMUNICATIONS NORTHWEST, INC. - OR | IND. TELCO | More |
| 504 | 357 | NEWORLEANS | Louisiana | SPRINT SPECTRUM L.P. | PCS | More |
| 505 | 357 | GRADY | New Mexico | BANDWIDTH.COM CLEC, LLC - NM | | More |
| 506 | 357 | OROMOCTO | New Brunswick | Aliant Telecom(NB) | IND. TELCO | More |
| 507 | 357 | LE CENTER | Minnesota | FRONTIER COMMUNICATIONS OF MINNESOTA, INC. | IND. TELCO | More |
| 508 | 357 | MARLBORO | Massachusetts | VERIZON NEW ENGLAND INC. | RBOC | More |
| 509 | 357 | SPOKANE | Washington | ONVOY, LLC - WA | | More |
| 510 | 357 | OKLD TRNID | California | PACIFIC BELL | RBOC | More |
| 512 | 357 | MARTINDALE | Texas | GTE-SW DBA VERIZON SW INC.-TX (CONTEL) | IND. TELCO | More |
| 513 | 357 | CINCINNATI | Ohio | CINCINNATI BELL, INC. | IND. TELCO | More |
| 514 | 357 | Montreal | Quebec | Globility | | More |
| 515 | 357 | CALLENDER | Iowa | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | WIRELESS PROV | More |
| 516 | 357 | NASSAUZN05 | New York | VERIZON NEW YORK, INC. | RBOC | More |
| 517 | 357 | CAMBRIA | Michigan | FRONTIER COMMUNICATIONS OF MICHIGAN, INC. | IND. TELCO | More |
| 518 | 357 | SCHENCTADY | New York | VERIZON NEW YORK, INC. | RBOC | More |
| 519 | 357 | WINGHAM | Ontario | Bell Canada | IND. TELCO | More |
| 520 | 357 | HAYDEN | Arizona | QWEST CORPORATION | RBOC | More |
| 530 | 357 | OLINDA | California | HAPPY VALLEY TELEPHONE CO. | IND. TELCO | More |
| 540 | 357 | CHRISTISBG | Virginia | UNITED STATES CELLULAR CORP. - VIRGINIA | WIRELESS PROV | More |
| 541 | 357 | PORTLAND | Oregon | ADVANCED TELCOM GROUP, INC. - OR | CLEC | More |
| 561 | 357 | WPALMBEACH | Florida | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 562 | 357 | LAKEWOOD | California | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 563 | 357 | CLINTON | Iowa | UNITED STATES CELLULAR CORP. - IOWA | WIRELESS PROV | More |
| 567 | 357 | CONGRESS | Ohio | LEVEL 3 COMMUNICATIONS, LLC - OH | CLEC | More |
| 570 | 357 | PITTSTON | Pennsylvania | NEW CINGULAR WIRELESS PCS, LLC - DC | WIRELESS PROV | More |
| 571 | 357 | WSNGTNZN08 | Virginia | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA | WIRELESS PROV | More |
| 573 | 357 | PARMA | Missouri | BPS TELEPHONE CO. | IND. TELCO | More |
| 575 | 357 | GRADY | New Mexico | E.N.M.R. TELEPHONE COOPERATIVE | IND. TELCO | More |
| 580 | 357 | LAWTON | Oklahoma | SOUTHWESTERN BELL | RBOC | More |
| 581 | 357 | New Carlisle | Quebec | 9144-3036 Quebec Inc ( dba Navigue.com) | | More |
| 585 | 357 | ALBION | New York | PAETEC COMMUNICATIONS, INC. - NY | CLEC | More |
| 586 | 357 | MT CLEMENS | Michigan | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI | WIRELESS PROV | More |
| 601 | 357 | NEWTONHKRY | Mississippi | CELLULAR SOUTH, INC. | WIRELESS PROV | More |
| 602 | 357 | PHOENIX | Arizona | GLOBAL CROSSING LOCAL SERVICES, INC.-AZ | CLEC | More |
| 603 | 357 | KEENE | New Hampshire | NO NEW ENGLAND TEL OP DBA FAIRPOINT COMM - NH | RBOC | More |
| 604 | 357 | NEW WESTMINSTER | British Columbia | GT Group Telecom Services Corp. | CLEC | More |
| 605 | 357 | SIOUX FLS | South Dakota | QWEST CORPORATION | RBOC | More |
| 606 | 357 | MCDOWELL | Kentucky | SBC INTERNET SERVICES, INC. | | More |
| 608 | 357 | PRARIDCHIN | Wisconsin | TELEPHONE USA OF WISCONSIN, LLC DBA CENTURYLINK | | More |
| 609 | 357 | ALLENTOWN | New Jersey | LEVEL 3 COMMUNICATIONS, LLC - NJ | CLEC | More |
| 610 | 357 | PHPHSBZN10 | Pennsylvania | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA | WIRELESS PROV | More |
| 612 | 357 | TWINCITIES | Minnesota | HYPERCUBE TELECOM, LLC - MN | | More |
| 613 | 357 | Ottawa-Hull | Ontario | Rogers Communications Partnership (Cable) | CLEC | More |
| 614 | 357 | COLUMBUS | Ohio | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH | WIRELESS PROV | More |
| 615 | 357 | OLDHICKORY | Tennessee | GLOBAL CROSSING LOCAL SERVICES, INC.-TN | | More |
| 616 | 357 | NILES | Michigan | SPRINT SPECTRUM L.P.- MI | PCS | More |
| 617 | 357 | BOSTON | Massachusetts | VERIZON NEW ENGLAND INC. | RBOC | More |
| 618 | 357 | PINCKNEYVL | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 619 | 357 | EL CAJON | California | LEVEL 3 COMMUNICATIONS, LLC - CA | CLEC | More |
| 620 | 357 | JETMORE | Kansas | SUNFLOWER TELEPHONE CO., INC. | IND. TELCO | More |
| 626 | 357 | MONROVIA | California | VERIZON CALIFORNIA INC.-CA (GTE) | IND. TELCO | More |
| 630 | 357 | NAPERVILLE | Illinois | AMERITECH ILLINOIS | RBOC | More |
| 631 | 357 | BRENTWOOD | New York | VERIZON NEW YORK, INC. | RBOC | More |
| 636 | 357 | MANCHESTER | Missouri | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 641 | 357 | CLEAR LAKE | Iowa | CLEAR LAKE INDEPENDENT TELEPHONE CO. | IND. TELCO | More |
| 646 | 357 | NYCZ 1 | New York | VERIZON NEW YORK, INC. | RBOC | More |
| 650 | 357 | SAN MATEO | California | PACIFIC BELL | RBOC | More |
| 651 | 357 | STILLWATER | Minnesota | ESCHELON TELECOM OF MINNESOTA, INC. - MN | | More |
| 660 | 357 | TRENTON | Missouri | BIG RIVER TELEPHONE COMPANY, LLC - MO | | More |
| 661 | 357 | TEHACHAPI | California | THE TELEPHONE CONNECTION LOCAL SERVICES, LLC | CLEC | More |
| 662 | 357 | TUNICA | Mississippi | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | RBOC | More |
| 678 | 357 | NORCROSS | Georgia | SPRINT SPECTRUM L.P. | PCS | More |
| 701 | 357 | FORBES/SOUTH FORBES | North Dakota | DICKEY RURAL TELEPHONE COOPERATIVE | IND. TELCO | More |
| 702 | 357 | LAUGHLIN | Nevada | SPRINT SPECTRUM L.P. | PCS | More |
| 703 | 357 | OCCOQUAN | Virginia | CTC COMMUNICATIONS CORP. - VA | CLEC | More |
| 704 | 357 | CHARLOTTE | North Carolina | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 705 | 357 | SUNDERLAND | Ontario | Bell Canada | IND. TELCO | More |
| 706 | 357 | ATHENS | Georgia | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 707 | 357 | FORT BRAGG | California | UNITED STATES CELLULAR CORP. - CALIFORNIA | CLEC | More |
| 708 | 357 | HARVEY | Illinois | YMAX COMMUNICATIONS CORP. - IL | | More |
| 709 | 357 | Marystown | Newfoundland | Bragg Communications Inc. | CLEC | More |
| 712 | 357 | HOLSTEIN | Iowa | MCC TELEPHONY OF IOWA, LLC - IA | | More |
| 713 | 357 | HOUSTON | Texas | MCI WORLDCOM COMMUNICATIONS, INC. - TX | CLEC | More |
| 714 | 357 | ANAHEIM | California | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | WIRELESS PROV | More |
| 715 | 357 | ALMENA | Wisconsin | CHIBARDUN TELEPHONE COOPERATIVE, INC. | IND. TELCO | More |
| 716 | 357 | CHAUTAUQUA | New York | WINDSTREAM NEW YORK, INC. - JAMESTOWN | IND. TELCO | More |
| 717 | 357 | BIGLERVL | Pennsylvania | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA | WIRELESS PROV | More |
| 718 | 357 | NYCZ 11 | New York | VERIZON NEW YORK, INC. | RBOC | More |
| 719 | 357 | COLORDOSPG | Colorado | BANDWIDTH.COM CLEC, LLC - CO | | More |
| 720 | 357 | DENVER | Colorado | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 724 | 357 | INDIANA | Pennsylvania | VERIZON PENNSYLVANIA, INC. | RBOC | More |
| 727 | 357 | CLEARWATER | Florida | ABC PAGING CITY BEEPERS, INC. | WIRELESS PROV | More |
| 732 | 357 | NEWARK | New Jersey | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | CLEC | More |
| 734 | 357 | DETROIT | Michigan | XO COMMUNICATIONS SERVICES, INC. - MI | CLEC | More |
| 740 | 357 | PORTSMOUTH | Ohio | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 757 | 357 | SMITHFIELD | Virginia | VERIZON SOUTH INC.-VA (CONTEL) | IND. TELCO | More |
| 760 | 357 | CALEXICO | California | PACIFIC BELL | RBOC | More |
| 765 | 357 | INDIANAPOLIS | Indiana | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN | WIRELESS PROV | More |
| 770 | 357 | ATLANTA SOUTH | Georgia | DELTACOM, INC. - GA | CLEC | More |
| 773 | 357 | CHICAGO | Illinois | GLOBALCOM, INC.-IL | CLEC | More |
| 774 | 357 | NANTUCKET | Massachusetts | PAETEC COMMUNICATIONS, INC. | CLEC | More |
| 775 | 357 | SPARKS | Nevada | NEVADA BELL | RBOC | More |
| 780 | 357 | Grande Prairie | Alberta | TELUS | IND. TELCO | More |
| 781 | 357 | BOSTON | Massachusetts | ALLEGIANCE TELECOM, INC. - MA | CLEC | More |
| 785 | 357 | TOPEKA | Kansas | SOUTHWESTERN BELL | RBOC | More |
| 786 | 357 | MIAMI | Florida | METRO PCS, INC. | | More |
| 787 | 357 | CABO ROJO | Puerto Rico | CENTENNIAL PUERTO RICO OPERATIONS CORP. - PR | CLEC | More |
| 801 | 357 | PROVO | Utah | QWEST CORPORATION | RBOC | More |
| 802 | 357 | BARNET | Vermont | TELCOVE OF VERMONT, INC. - VT | CLEC | More |
| 803 | 357 | AIKEN | South Carolina | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 804 | 357 | RICHMOND | Virginia | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA | WIRELESS PROV | More |
| 805 | 357 | SAN LUIS OBISPO | California | PAC - WEST TELECOMM, INC. | CLEC | More |
| 806 | 357 | SUMMERFIELD | Texas | WEST TEXAS RURAL TELEPHONE COOPERATIVE, INC. | IND. TELCO | More |
| 808 | 357 | WAILUKU | Hawaii | SPRINT SPECTRUM L.P. | PCS | More |
| 810 | 357 | DETROIT | Michigan | SPRINT SPECTRUM L.P. | PCS | More |
| 812 | 357 | SAINT MEINRAD | Indiana | PERRY - SPENCER RURAL TELEPHONE COOP., INC. | IND. TELCO | More |
| 813 | 357 | WESTSIDE | Florida | VERIZON FLORIDA INC. | IND. TELCO | More |
| 814 | 357 | BELLEFONTE | Pennsylvania | VERIZON PENNSYLVANIA, INC. | RBOC | More |
| 815 | 357 | SENECA | Illinois | AMERITECH ILLINOIS | RBOC | More |
| 816 | 357 | TRIMBLE | Missouri | SPECTRA COMMUNICATIONS GROUP LLC DBA CENTURYLINK | | More |
| 817 | 357 | CLEBURNE | Texas | 1STEL, INC. - TX | | More |
| 818 | 357 | LOS ANGELES | California | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 819 | 357 | VICTORIAVILLE | Quebec | Telebec Ltee. | IXC | More |
| 828 | 357 | ASHEVILLE | North Carolina | US LEC OF NORTH CAROLINA, INC. | CLEC | More |
| 830 | 357 | SAN ANTONIO CAPITOL | Texas | GTE-SW DBA VERIZON SW INC.-TX | IND. TELCO | More |
| 832 | 357 | HOUSTON | Texas | TELEPORT COMMUNICATIONS GROUP - HOUSTON | CAP | More |
| 843 | 357 | MURRELLS INLET | South Carolina | HORRY TELEPHONE COOPERATIVE, INC. | IND. TELCO | More |
| 845 | 357 | SUFFERN | New York | VERIZON NEW YORK, INC. | RBOC | More |
| 847 | 357 | ELK GROVE | Illinois | AMERITECH ILLINOIS | RBOC | More |
| 848 | 357 | WOODBRIDGE | New Jersey | VERIZON NEW JERSEY, INC. | RBOC | More |
| 850 | 357 | FORT WALTON BEACH | Florida | SPRINT SPECTRUM L.P. | PCS | More |
| 856 | 357 | CAMDEN | New Jersey | TCG NEW JERSEY, INC. - NJ | CLEC | More |
| 858 | 357 | SAN DIEGO | California | TW TELECOM OF CALIFORNIA LP - CA | CLEC | More |
| 859 | 357 | LEXINGTON MAIN | Kentucky | WINDSTREAM KENTUCKY EAST, INC. - LEXINGTON | | More |
| 860 | 357 | HARTFORD | Connecticut | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | CLEC | More |
| 863 | 357 | OKEECHOBEE | Florida | EMBARQ FLORIDA, INC. DBA CENTURYLINK | IND. TELCO | More |
| 864 | 357 | GAINESVILLE | South Carolina | SPRINT SPECTRUM L.P. | PCS | More |
| 865 | 357 | KNOXVILLE | Tennessee | KNOLOGY OF TENNESSEE, INC. | | More |
| 870 | 357 | ROWELL | Arkansas | CLEVELAND COUNTY TELEPHONE CO., INC. | IND. TELCO | More |
| 901 | 357 | MEMPHIS | Tennessee | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | RBOC | More |
| 902 | 357 | SOUTH LAKE | PE | Aliant Telecom (PEI) | IND. TELCO | More |
| 903 | 357 | SHERMAN | Texas | SPRINT SPECTRUM L.P. | PCS | More |
| 904 | 357 | JACKSONVILLE | Florida | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 905 | 357 | NIAGARA FALLS | Ontario | Bell Canada | IND. TELCO | More |
| 906 | 357 | BARAGA TELEPHONE | Michigan | BARAGA TELEPHONE COMPANY | CLEC | More |
| 907 | 357 | WASILLA | Alaska | MATANUSKA TELEPHONE ASSOCIATION, INC. | IND. TELCO | More |
| 909 | 357 | FONTANA | California | PACIFIC BELL | RBOC | More |
| 910 | 357 | JACKSONVILLE | North Carolina | @ COMMUNICATIONS, INC. - NC | CLEC | More |
| 912 | 357 | SAVANNAH | Georgia | USA MOBILITY WIRELESS, INC. | WIRELESS PROV | More |
| 914 | 357 | SUFFERN | New York | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY | WIRELESS PROV | More |
| 915 | 357 | MOZELLE | Texas | COLEMAN COUNTY TELEPHONE COOPERATIVE, INC. | IND. TELCO | More |
| 916 | 357 | FOLSOM | California | PACIFIC BELL | RBOC | More |
| 917 | 357 | NYCZ 1 | New York | VERIZON NEW YORK, INC. | RBOC | More |
| 918 | 357 | BROKEN ARROW | Oklahoma | VALOR TELECOM TX.LP-OK DBA WINDSTREAM COMM SW | | More |
| 919 | 357 | CHAPEL HILL | North Carolina | TCG OF THE CAROLINAS, INC. - NC | CLEC | More |
| 925 | 357 | FREMONT | California | LEVEL 3 COMMUNICATIONS, LLC - CA | CLEC | More |
| 929 | 357 | NWYRCYZN12 | New York | BROADVOX-CLEC, LLC - NY | | More |
| 937 | 357 | BEAVERCREEK | Ohio | AMERICAN MESSAGING (AM), INC. | | More |
| 940 | 357 | LAKE KEMP | Texas | SANTA ROSA TELEPHONE COOPERATIVE, INC. | IND. TELCO | More |
| 941 | 357 | FORT MYERS | Florida | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 949 | 357 | IRVINE | California | SPRINT SPECTRUM L.P. | PCS | More |
| 951 | 357 | HEMT HEMT | California | PEERLESS NETWORK OF CALIFORNIA, LLC - CA | | More |
| 954 | 357 | FORT LAUDERDALE | Florida | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 956 | 357 | HARLINGEN | Texas | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX | WIRELESS PROV | More |
| 970 | 357 | COPE | Colorado | PLAINS COOPERATIVE TELEPHONE ASSOCIATION, INC. | IND. TELCO | More |
| 972 | 357 | FORNEY | Texas | IONEX COMMUNICATIONS SOUTH, INC. - TX | CLEC | More |
| 973 | 357 | PATERSON ARMORY | New Jersey | VERIZON NEW JERSEY, INC. | RBOC | More |
| 978 | 357 | BOSTON | Massachusetts | MCI WORLDCOM COMMUNICATIONS, INC. - MA | CLEC | More |
| 979 | 357 | INDUSTRY | Texas | INDUSTRY TELEPHONE CO. | IND. TELCO | More |
| 989 | 357 | WESTBRANCH | Michigan | TELNET WORLDWIDE, INC. | CLEC | More |
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