Area
Code | Prefix | City/Switch Name
(Click for city search) | State/Prov.
Area Map | Telephone Company
Web link | Telco
Type | More
Info |
|---|
| 201 | 377 | JERSEYCITY | New Jersey | BROADWING COMMUNICATIONS, LLC - NJ | CLEC | More |
| 202 | 377 | WSHNGTNZN1 | District of Columbia | VERIZON WASHINGTON, DC INC. | RBOC | More |
| 203 | 377 | BRIDGEPORT | Connecticut | SOUTHERN NEW ENGLAND TELEPHONE CO. | IND. TELCO | More |
| 204 | 377 | STEINBACH | Manitoba | MTS Inc. | IND. TELCO | More |
| 205 | 377 | YORK | Alabama | LEVEL 3 COMMUNICATIONS, LLC - AL | | More |
| 206 | 377 | SEATTLE | Washington | QWEST CORPORATION | RBOC | More |
| 207 | 377 | WINTHROP | Maine | COMMUNITY SERVICE TELEPHONE CO. | IND. TELCO | More |
| 208 | 377 | BOISE | Idaho | QWEST CORPORATION | RBOC | More |
| 209 | 377 | MT BULLION | California | HORNITOS TELEPHONE CO. | IND. TELCO | More |
| 210 | 377 | SANANTONIO | Texas | SOUTHWESTERN BELL | RBOC | More |
| 212 | 377 | NWYRCYZN01 | New York | MCI WORLDCOM COMMUNICATIONS INC. - NY | CLEC | More |
| 213 | 377 | LSAN DA 10 | California | TELSCAPE COMMUNICATONS, INC. - CA | CLEC | More |
| 214 | 377 | DALLAS | Texas | TIME WARNER CBLE INFO SVC (TX) DBA TIME WARNER CBL | | More |
| 215 | 377 | PHPHSBZN44 | Pennsylvania | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | CLEC | More |
| 216 | 377 | CLEVELAND | Ohio | ICG TELECOM GROUP - OH | CLEC | More |
| 217 | 377 | CHAMPAURBN | Illinois | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 218 | 377 | ERICSBURG | Minnesota | CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN | | More |
| 219 | 377 | WABASH | Indiana | SPRINT SPECTRUM L.P.- IL | PCS | More |
| 224 | 377 | HALF DAY | Illinois | SPRINT SPECTRUM L.P. | PCS | More |
| 225 | 377 | BATONROUGE | Louisiana | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | RBOC | More |
| 226 | 377 | London | Ontario | Bell Mobility | WIRELESS PROV | More |
| 228 | 377 | BILOXI | Mississippi | CENTURYTEL ACQ LLC DBA CENTURYLINK ACQUISITION-MS | CLEC | More |
| 229 | 377 | CAIRO | Georgia | WINDSTREAM GEORGIA, INC. | IND. TELCO | More |
| 231 | 377 | CLAM RIVER | Michigan | FRONTIER NORTH, INC. - MI | IND. TELCO | More |
| 239 | 377 | NO NAPLES | Florida | US LEC OF FLORIDA, INC. | CLEC | More |
| 240 | 377 | INDIANHEAD | District of Columbia | GLOBAL CROSSING LOCAL SERVICES, INC.-MD | CLEC | More |
| 248 | 377 | PONTIAC | Michigan | AMERITECH MICHIGAN | RBOC | More |
| 250 | 377 | SOUTH KAMLOOPS | British Columbia | TELUS | IND. TELCO | More |
| 251 | 377 | MOBILE | Alabama | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 252 | 377 | AULANDER | North Carolina | LEVEL 3 COMMUNICATIONS, LLC - NC | | More |
| 253 | 377 | TACOMA | Washington | SPRINT SPECTRUM L.P. | PCS | More |
| 254 | 377 | WACO | Texas | GLOBALSTAR USA, INC. | | More |
| 256 | 377 | ROCKFORD | Alabama | CENTURYTEL TEL AL LLC (NORTHERN) DBA CENTURYLINK | | More |
| 260 | 377 | WABASH | Indiana | SPRINT SPECTRUM L.P. | PCS | More |
| 262 | 377 | CEDARBURG | Wisconsin | AMERITECH WISCONSIN | RBOC | More |
| 267 | 377 | QUAKERTOWN | Pennsylvania | SPRINT SPECTRUM L.P. | PCS | More |
| 269 | 377 | KALAMAZOO | Michigan | SPRINT SPECTRUM L.P. | PCS | More |
| 270 | 377 | GREENVILLE | Kentucky | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | RBOC | More |
| 281 | 377 | BAMMEL | Texas | MCI WORLDCOM COMMUNICATIONS, INC. - TX | CLEC | More |
| 289 | 377 | Dunnville | Ontario | Bell Mobility | WIRELESS PROV | More |
| 301 | 377 | LAUREL236 | Virginia | COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD | | More |
| 302 | 377 | WILMINGTON | Delaware | SPRINT SPECTRUM L.P. | PCS | More |
| 303 | 377 | DENVER | Colorado | QWEST CORPORATION | RBOC | More |
| 304 | 377 | RIPLEY | West Virginia | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WV | WIRELESS PROV | More |
| 305 | 377 | MIAMI | Florida | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 306 | 377 | HERSCHEL | Saskatchewan | SaskTel | IND. TELCO | More |
| 307 | 377 | CASPER | Wyoming | UNION TELEPHONE COMPANY | | More |
| 308 | 377 | DALTON | Nebraska | DALTON TELEPHONE CO. | IND. TELCO | More |
| 309 | 377 | CROPSEY | Illinois | FRONTIER NORTH, INC. - IL | IND. TELCO | More |
| 310 | 377 | REDONDO | California | VERIZON CALIFORNIA INC.-CA (GTE) | IND. TELCO | More |
| 312 | 377 | CHICGOZN01 | Illinois | XO ILLINOIS, INC. | CLEC | More |
| 313 | 377 | DETROITZN6 | Michigan | OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS LLC | | More |
| 314 | 377 | LADUE | Missouri | BIG RIVER TELEPHONE COMPANY, LLC - MO | | More |
| 315 | 377 | LOWVILLE | New York | CITIZENS TELECOMM CO OF NY DBA FRONTIER COMM OF NY | IND. TELCO | More |
| 316 | 377 | EL DORADO | Kansas | SPRINT SPECTRUM L.P. | PCS | More |
| 317 | 377 | INDIANAPLS | Indiana | AMERITECH INDIANA | RBOC | More |
| 318 | 377 | MINDEN | Louisiana | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | RBOC | More |
| 319 | 377 | CEDAR RPDS | Iowa | QWEST CORPORATION | RBOC | More |
| 320 | 377 | GROVE CITY | Minnesota | LEVEL 3 COMMUNICATIONS, LLC - MN | | More |
| 321 | 377 | SANFORD | Florida | SPRINT SPECTRUM L.P. | PCS | More |
| 323 | 377 | LSAN DA 14 | California | SPRINT SPECTRUM L.P. | PCS | More |
| 330 | 377 | GLENMONT | Ohio | UNITED TEL. CO. OF OHIO - CENTURYLINK | IND. TELCO | More |
| 334 | 377 | HURTSBORO | Alabama | LEVEL 3 COMMUNICATIONS, LLC - AL | | More |
| 336 | 377 | STANLEYVL | North Carolina | WINDSTREAM NORTH CAROLINA, INC. | IND. TELCO | More |
| 337 | 377 | LK CHARLES | Louisiana | SPRINT SPECTRUM L.P. | PCS | More |
| 347 | 377 | NWYRCYZN07 | New York | XO NEW YORK, INC. | CLEC | More |
| 352 | 377 | GAINESVL | Florida | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 360 | 377 | BREMERTON | Washington | QWEST CORPORATION | RBOC | More |
| 361 | 377 | AGUA DULCE | Texas | TEXAS HEARING SVCS DBA TEXAS HEARING AND TEL TX | | More |
| 385 | 377 | PROVO | Utah | US WEST COMMUNICATIONS - MOUNTAIN BELL - UT | RBOC | More |
| 401 | 377 | WESTERLY | Rhode Island | VERIZON NEW ENGLAND INC. | RBOC | More |
| 402 | 377 | CRAIG | Nebraska | NORTHEAST NEBRASKA TELEPHONE CO. | IND. TELCO | More |
| 403 | 377 | TILLEY | Alberta | TELUS | IND. TELCO | More |
| 404 | 377 | ATLANTA | Georgia | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 405 | 377 | STILLWATER | Oklahoma | SOUTHWESTERN BELL | RBOC | More |
| 406 | 377 | GLENDIVE | Montana | MID-RIVERS TELEPHONE COOPERATIVE, INC. | CLEC | More |
| 407 | 377 | ORLANDO | Florida | DELTACOM, INC. - FL | CLEC | More |
| 408 | 377 | CAMPBELL | California | PACIFIC BELL | RBOC | More |
| 409 | 377 | SPURGER | Texas | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX | WIRELESS PROV | More |
| 410 | 377 | TOWSON | Maryland | VERIZON MARYLAND, INC. | RBOC | More |
| 412 | 377 | PTTSBGZON1 | Pennsylvania | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 413 | 377 | CHICOPEE | Massachusetts | BROOKS FIBER COMMUNICATIONS OF MASSACHUSETTS - MA | CAP | More |
| 414 | 377 | MILWAUKZN3 | Wisconsin | LEVEL 3 COMMUNICATIONS, LLC - WI | | More |
| 415 | 377 | SNFC CNTRL | California | SPRINT SPECTRUM L.P. | PCS | More |
| 416 | 377 | TORONTO | Ontario | Bell Canada | IND. TELCO | More |
| 417 | 377 | CAPE FAIR | Missouri | CD TELECOMMUNICATIONS, LLC - MO | | More |
| 418 | 377 | CHUTE DES PASSES | Quebec | Bell Canada | IND. TELCO | More |
| 419 | 377 | TOLEDO | Ohio | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH | WIRELESS PROV | More |
| 423 | 377 | LAFOLLETTE | Tennessee | UNITED STATES CELLULAR CORP. - TENNESSEE | WIRELESS PROV | More |
| 424 | 377 | AVALON | California | NEUTRAL TANDEM-CALIFORNIA, LLC - CA | | More |
| 425 | 377 | EVERETT | Washington | FRONTIER COMMUNICATIONS NORTHWEST INC. - WA | IND. TELCO | More |
| 432 | 377 | MENTONE | Texas | VALOR TELECOMM TX, LD-TX #2 DBA WINDSTREAM COMM SW | | More |
| 440 | 377 | OLMSTEDFLS | Ohio | BROADWING COMMUNICATIONS, LLC - OH | | More |
| 443 | 377 | ANNAPOLIS | Maryland | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | WIRELESS PROV | More |
| 450 | 377 | VALLEYFIELD | Quebec | Bell Canada | IND. TELCO | More |
| 469 | 377 | ROCKWALL | Texas | FEC COMMUNICATIONS, LLP - TX | | More |
| 470 | 377 | ATLANTA NW | Georgia | QWEST COMMUNICATIONS COMPANY, LLC | CLEC | More |
| 478 | 377 | LOUISVILLE | Georgia | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 480 | 377 | PHOENIX | Arizona | QWEST CORPORATION | RBOC | More |
| 484 | 377 | PHPHSBZN21 | Pennsylvania | XO COMMUNICATIONS SERVICES INC - PA | CAP | More |
| 501 | 377 | LITTLEROCK | Arkansas | SOUTHWESTERN BELL | RBOC | More |
| 502 | 377 | LOUISVILLE | Kentucky | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - KY | WIRELESS PROV | More |
| 503 | 377 | BAY CITY | Oregon | UNITED TELEPHONE-NORTHWEST-OR DBA CENTURYLINK - OR | IND. TELCO | More |
| 504 | 377 | NEWORLEANS | Louisiana | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | RBOC | More |
| 505 | 377 | ANGEL FIRE | New Mexico | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NM | WIRELESS PROV | More |
| 507 | 377 | ALBERT LEA | Minnesota | QWEST CORPORATION | RBOC | More |
| 508 | 377 | MILFORD | Massachusetts | BROADWING COMMUNICATIONS, LLC - MA | CLEC | More |
| 509 | 377 | COLUMBIA | Washington | UNITED TELEPHONE-NORTHWEST-WA DBA CENTURYLINK-WA | IND. TELCO | More |
| 510 | 377 | FRNK MAIN | California | SPRINT SPECTRUM L.P. | PCS | More |
| 512 | 377 | AUSTIN | Texas | SOUTHWESTERN BELL | RBOC | More |
| 513 | 377 | CINCINNATI | Ohio | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 514 | 377 | ONTREAL | Quebec | TELUS Mobility | PCS | More |
| 515 | 377 | COLO | Iowa | COLO TELEPHONE CO. | IND. TELCO | More |
| 516 | 377 | NASSAUZN06 | New York | VERIZON NEW YORK, INC. | RBOC | More |
| 517 | 377 | LANSING | Michigan | AMERITECH MICHIGAN | RBOC | More |
| 518 | 377 | SCHENCTADY | New York | VERIZON NEW YORK, INC. | RBOC | More |
| 519 | 377 | OWEN SOUND | Ontario | TELUS Mobility | PCS | More |
| 520 | 377 | NOGALES | Arizona | QWEST CORPORATION | RBOC | More |
| 530 | 377 | COTTONWOOD | California | O1 COMMUNICATIONS, INC. - CA | CLEC | More |
| 540 | 377 | RAPHINE | Virginia | VERIZON SOUTH INC.-VA (CONTEL) | IND. TELCO | More |
| 541 | 377 | PENDLETON | Oregon | UNITED STATES CELLULAR CORP. - OREGON | WIRELESS PROV | More |
| 559 | 377 | MADERA | California | SBC INTERNET SERVICES, INC. | | More |
| 561 | 377 | PORT ST LUCIE | Florida | METROCALL | WIRELESS PROV | More |
| 562 | 377 | LAKEWOOD | California | VERIZON CALIFORNIA INC.-CA (GTE) | IND. TELCO | More |
| 563 | 377 | WALCOTT | Iowa | SPRINT SPECTRUM L.P. | PCS | More |
| 567 | 377 | TOLEDO | Ohio | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 570 | 377 | TREMONT | Pennsylvania | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA | WIRELESS PROV | More |
| 571 | 377 | MANASSAS | Virginia | YMAX COMMUNICATIONS CORP. - VA | | More |
| 573 | 377 | STOVER | Missouri | WINDSTREAM MISSOURI, INC. | IND. TELCO | More |
| 574 | 377 | LEESBURG | Indiana | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN | WIRELESS PROV | More |
| 575 | 377 | ANGEL FIRE | New Mexico | QWEST CORPORATION | RBOC | More |
| 580 | 377 | WOODWARD | Oklahoma | SOUTHWESTERN BELL | RBOC | More |
| 581 | 377 | Donnacona | Quebec | TELUS Quebec | IND. TELCO | More |
| 585 | 377 | FAIRPORT | New York | FRONTIER TELEPHONE OF ROCHESTER INC | IND. TELCO | More |
| 586 | 377 | WARREN | Michigan | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI | WIRELESS PROV | More |
| 587 | 377 | Red Deer | Alberta | Bell Mobility | WIRELESS PROV | More |
| 601 | 377 | TYLERTOWN | Mississippi | TELEPAK NETWORKS, INC. - MS | | More |
| 602 | 377 | PHOENIX | Arizona | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ | WIRELESS PROV | More |
| 603 | 377 | MERRIMACK | New Hampshire | OMNIPOINT MIAMI E LICENSE, LLC | PCS | More |
| 604 | 377 | NEW WESTMINSTER | British Columbia | Rogers Communications Partnership (Wireless) | WIRELESS PROV | More |
| 605 | 377 | ABERDEEN | South Dakota | QWEST CORPORATION | RBOC | More |
| 606 | 377 | MCDOWELL | Kentucky | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | RBOC | More |
| 607 | 377 | CORNING | New York | TELEPORT COMMUNICATIONS GROUP - NY | CAP | More |
| 608 | 377 | TOMAH | Wisconsin | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI | WIRELESS PROV | More |
| 609 | 377 | PLEASANTVL | New Jersey | SPRINT SPECTRUM L.P. | PCS | More |
| 610 | 377 | LEHIGHTON | Pennsylvania | VERIZON PENNSYLVANIA, INC. | RBOC | More |
| 612 | 377 | TWINCITIES | Minnesota | QWEST CORPORATION | RBOC | More |
| 613 | 377 | YARKER | Ontario | Bell Canada | IND. TELCO | More |
| 614 | 377 | GAHANNA | Ohio | AERIAL COMMUNICATIONS | WIRELESS PROV | More |
| 615 | 377 | NASHVILLE | Tennessee | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | RBOC | More |
| 616 | 377 | GRAND RAPIDS | Michigan | PEERLESS NETWORK OF MICHIGAN, LLC - MI | | More |
| 617 | 377 | BOSTON | Massachusetts | VERIZON NEW ENGLAND INC. | RBOC | More |
| 618 | 377 | BETHALTO | Illinois | AMERITECH ILLINOIS | RBOC | More |
| 619 | 377 | PINEVALLEY | California | LEVEL 3 COMMUNICATIONS, LLC - CA | CLEC | More |
| 620 | 377 | ST JOHN | Kansas | NEX-TECH WIRELESS, LLC | | More |
| 623 | 377 | PHOENIX | Arizona | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ | WIRELESS PROV | More |
| 626 | 377 | EL MONTE | California | LEVEL 3 COMMUNICATIONS, LLC - CA | CLEC | More |
| 630 | 377 | ST CHARLES | Illinois | AMERITECH ILLINOIS | RBOC | More |
| 631 | 377 | SOUTHAMPTN | New York | NEW CINGULAR WIRELESS PCS, LLC - DC | WIRELESS PROV | More |
| 636 | 377 | WARRENTON | Missouri | CENTURYTEL MISSOURI LLC (SOUTHWEST)DBA CENTURYLINK | | More |
| 641 | 377 | COLO | Iowa | COLO TELEPHONE CO. | IND. TELCO | More |
| 646 | 377 | NWYRCYZN02 | New York | METRO PCS, INC. | | More |
| 647 | 377 | Toronto | Ontario | Bell Mobility | WIRELESS PROV | More |
| 650 | 377 | SAN MATEO | California | PACIFIC BELL | RBOC | More |
| 657 | 377 | GARDEN GRV | California | NEUTRAL TANDEM-CALIFORNIA, LLC - CA | | More |
| 661 | 377 | BKFD MAIN | California | ARRIVAL COMMUNICATIONS, INC. - CA | CLEC | More |
| 662 | 377 | TUPELO | Mississippi | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | RBOC | More |
| 669 | 377 | MORGANHILL | California | NEUTRAL TANDEM-CALIFORNIA, LLC - CA | | More |
| 678 | 377 | LAWRENCEVILLE | Georgia | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 681 | 377 | MONTGOMERY | West Virginia | QWEST COMMUNICATIONS COMPANY, LLC | CLEC | More |
| 701 | 377 | BOWBELLS | North Dakota | NORTHWEST COMMUNICATIONS COOPERATIVE | IND. TELCO | More |
| 702 | 377 | OVERTON | Nevada | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 703 | 377 | WASZ 17 | Virginia | VERIZON VIRGINIA, INC. | RBOC | More |
| 704 | 377 | CHARLOTTE | North Carolina | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 705 | 377 | MINDEMOYA | Ontario | Amtelecom Limited Partnership | CAP | More |
| 706 | 377 | HARTWELL | Georgia | HART TELEPHONE CO. | IND. TELCO | More |
| 707 | 377 | OAKLAND | California | PAC - WEST TELECOMM, INC. | CLEC | More |
| 708 | 377 | BLUEISLAND | Illinois | LEVEL 3 COMMUNICATIONS, LLC - IL | CLEC | More |
| 709 | 377 | Grand Bank | Newfoundland | Aliant Telecom (Mobility) | | More |
| 712 | 377 | KINGSLEY | Iowa | WINDSTREAM IOWA COMMUNICATIONS, INC. | | More |
| 713 | 377 | HOUSTON | Texas | SOUTHWESTERN BELL | RBOC | More |
| 714 | 377 | HUNTINGTON BEACH | California | VERIZON CALIFORNIA INC.-CA (GTE) | IND. TELCO | More |
| 715 | 377 | HUDSON | Wisconsin | AMERITECH WISCONSIN | RBOC | More |
| 716 | 377 | PENFIELD | New York | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY | WIRELESS PROV | More |
| 717 | 377 | CHAMBERSBURG | Pennsylvania | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA | WIRELESS PROV | More |
| 718 | 377 | NYCZ 7 | New York | VERIZON NEW YORK, INC. | RBOC | More |
| 719 | 377 | COLORDOSPG | Colorado | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO | WIRELESS PROV | More |
| 720 | 377 | DENVER | Colorado | XO COLORADO, LLC | CLEC | More |
| 724 | 377 | FREDERICKTOWN | Pennsylvania | WINDSTREAM PENNSYLVANIA, INC. | IND. TELCO | More |
| 731 | 377 | DYERSBURG | Tennessee | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN | WIRELESS PROV | More |
| 732 | 377 | NEWARK | New Jersey | XO NEW JERSEY, INC. | CLEC | More |
| 734 | 377 | DETROIT | Michigan | SPRINT SPECTRUM L.P. | PCS | More |
| 740 | 377 | IRONTON | Ohio | AMERITECH OHIO | RBOC | More |
| 757 | 377 | NORFOLK ZONE 2 | Virginia | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA | WIRELESS PROV | More |
| 760 | 377 | INYOKERN | California | VERIZON CALIFORNIA INC.-CA | IND. TELCO | More |
| 763 | 377 | MNPZ 1 | Minnesota | QWEST CORPORATION | RBOC | More |
| 765 | 377 | CONNERSVL | Indiana | LEVEL 3 COMMUNICATIONS, LLC - IN | CLEC | More |
| 770 | 377 | ATLANTA NORTHEAST | Georgia | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 772 | 377 | PORT ST LUCIE | Florida | USA MOBILITY WIRELESS, INC. | WIRELESS PROV | More |
| 773 | 377 | CHICAGO | Illinois | TELEPORT COMMUNICATIONS GROUP - CHICAGO | CAP | More |
| 774 | 377 | MATTAPOSTT | Massachusetts | XO MASSACHUSETTS, INC. | CLEC | More |
| 775 | 377 | ROUND MOUNTAIN | Nevada | NEVADA BELL | RBOC | More |
| 780 | 377 | EDMONTON | Alberta | TELUS | IND. TELCO | More |
| 781 | 377 | LEXINGTON | Massachusetts | VERIZON NEW ENGLAND INC. | RBOC | More |
| 785 | 377 | TOPEKA | Kansas | SBC INTERNET SERVICES, INC. | | More |
| 786 | 377 | HOMESTEAD | Florida | FLORIDA DIGITAL NETWORK | CLEC | More |
| 787 | 377 | SANTURCE | Puerto Rico | PUERTO RICO TELCO DBA VERIZON WIRELESS PUERTO RICO | WIRELESS PROV | More |
| 801 | 377 | PROVO | Utah | QWEST CORPORATION | RBOC | More |
| 802 | 377 | MIDDLEBURY | Vermont | SPRINT SPECTRUM L.P. | PCS | More |
| 803 | 377 | CHESTER | South Carolina | CHESTER TELEPHONE CO. | IND. TELCO | More |
| 804 | 377 | RICHMOND | Virginia | CAVALIER TELEPHONE, LLC | CLEC | More |
| 805 | 377 | CAMARILLO | California | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 806 | 377 | BUNKERHILL | Texas | XIT RURAL TELEPHONE COOPERATIVE, INC. | IND. TELCO | More |
| 808 | 377 | AINA HAINA | Hawaii | HAWAIIAN TELCOM, INC. - HI | IND. TELCO | More |
| 810 | 377 | DETROIT | Michigan | TCG DETROIT - MI | | More |
| 812 | 377 | COLUMBUS | Indiana | AMERITECH INDIANA | RBOC | More |
| 813 | 377 | TAMPA | Florida | TW TELECOM OF FLORIDA L/P. - FL | CLEC | More |
| 814 | 377 | TITUSVILLE | Pennsylvania | AT&T LOCAL | CLEC | More |
| 815 | 377 | CHICAGO | Illinois | BROADWING COMMUNICATIONS, LLC - IL | CLEC | More |
| 816 | 377 | KANSAS CITY | Missouri | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 817 | 377 | FORT WORTH PERSHING | Texas | SOUTHWESTERN BELL | RBOC | More |
| 818 | 377 | SHERMAN OAKS | California | PACIFIC BELL | RBOC | More |
| 819 | 377 | TROIS RIVIERES | Quebec | Bell Canada | IND. TELCO | More |
| 828 | 377 | WAYNESVILLE | North Carolina | ALEC, LLC - NC | CLEC | More |
| 830 | 377 | KERRVILLE | Texas | SPRINT SPECTRUM L.P. | PCS | More |
| 832 | 377 | HOUSTON | Texas | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 843 | 377 | CHARLESTON | South Carolina | NUVOX COMMUNICATIONS | CLEC | More |
| 845 | 377 | HIGH FALLS | New York | BANDWIDTH.COM CLEC, LLC - NY | | More |
| 847 | 377 | CHICAGO | Illinois | AT&T LOCAL | CLEC | More |
| 850 | 377 | PANAMA CITY | Florida | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - FL | WIRELESS PROV | More |
| 856 | 377 | CAMDEN | New Jersey | TCG NEW JERSEY, INC. - NJ | CLEC | More |
| 857 | 377 | BOSTON | Massachusetts | PAETEC COMMUNICATIONS, INC. | CLEC | More |
| 859 | 377 | PARIS | Kentucky | AT&T LOCAL | CLEC | More |
| 860 | 377 | WILLIMANTIC | Connecticut | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT | WIRELESS PROV | More |
| 862 | 377 | POMPTONLKS | New Jersey | SPRINT SPECTRUM L.P. | PCS | More |
| 864 | 377 | GREENWOOD | South Carolina | SPRINT SPECTRUM L.P. | PCS | More |
| 865 | 377 | HLSCRSSRDS | Tennessee | US LEC OF TENNESSEE, INC | CLEC | More |
| 867 | 377 | Fort Mcpherson | Yukon Territory | Bell Mobility | WIRELESS PROV | More |
| 870 | 377 | DUMAS | Arkansas | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 873 | 377 | Drummondville | Quebec | TELUS Mobility | PCS | More |
| 901 | 377 | MEMPHIS | Tennessee | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | RBOC | More |
| 902 | 377 | Halifax | Nova Scotia | Bragg Communications Inc. | CLEC | More |
| 903 | 377 | TYLER LYRIC | Texas | SOUTHWESTERN BELL | RBOC | More |
| 904 | 377 | ST AUGUSTINE | Florida | POWERTEL JACKSONVILLE LICENSES, INC. | WIRELESS PROV | More |
| 905 | 377 | COBOURG | Ontario | Bell Canada | IND. TELCO | More |
| 906 | 377 | BARAGA | Michigan | SUPER COM, INC. | WIRELESS PROV | More |
| 907 | 377 | EIELSON AIR FORCE B | Alaska | ALASCOM, INC. DBA AT&T ALASKA | IND. TELCO | More |
| 908 | 377 | CRANFORD | New Jersey | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NJ | WIRELESS PROV | More |
| 909 | 377 | RIVERSIDE | California | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 910 | 377 | TABOR CITY | North Carolina | LEVEL 3 COMMUNICATIONS, LLC - NC | | More |
| 912 | 377 | CAIRO | Georgia | DELTACOM, INC. - GA | CLEC | More |
| 913 | 377 | DREXEL | Kansas | FAIRPOINT COMMUNICATIONS MISSOURI, INC. | IND. TELCO | More |
| 914 | 377 | WCHZ 1 | New York | VERIZON NEW YORK, INC. | RBOC | More |
| 915 | 377 | MENTONE | Texas | VALOR TELECOMM TX, LD-TX #2 DBA WINDSTREAM COMM SW | | More |
| 916 | 377 | FOLSOM | California | BROOKS FIBER COMMUNICATIONS OF CALIFORNIA - CA | CLEC | More |
| 917 | 377 | NEW YORK CITY ZONE | New York | USA MOBILITY WIRELESS, INC. | WIRELESS PROV | More |
| 918 | 377 | DAVENPORT | Oklahoma | CENTRAL OKLAHOMA TELEPHONE CO. | IND. TELCO | More |
| 919 | 377 | CARY | North Carolina | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | CLEC | More |
| 920 | 377 | SHEBOYGAN | Wisconsin | SPRINT SPECTRUM L.P. | PCS | More |
| 925 | 377 | MORAGA | California | PACIFIC BELL | RBOC | More |
| 928 | 377 | KINGMAN | Arizona | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 931 | 377 | COOKEVL SO | Tennessee | NTCH-ET, INC. | | More |
| 936 | 377 | OAKHURST | Texas | EASTEX TELEPHONE COOPERATIVE, INC. | IND. TELCO | More |
| 937 | 377 | RUSSELLVILLE | Ohio | FRONTIER NORTH, INC. - OH | IND. TELCO | More |
| 941 | 377 | SARASOTA | Florida | VERIZON FLORIDA INC. | IND. TELCO | More |
| 949 | 377 | LOS ANGELES | California | WINSTAR WIRELESS, INC. - CA | CLEC | More |
| 951 | 377 | RIVERSIDE | California | SPRINT SPECTRUM L.P. | PCS | More |
| 952 | 377 | MNPZ 1 | Minnesota | QWEST CORPORATION | RBOC | More |
| 954 | 377 | POMPANO BEACH | Florida | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | CLEC | More |
| 956 | 377 | DONNA | Texas | LEVEL 3 COMMUNICATIONS, LLC - TX | CLEC | More |
| 970 | 377 | FORT COLLINS | Colorado | QWEST CORPORATION | RBOC | More |
| 972 | 377 | FRISCO | Texas | SOUTHWESTERN BELL | RBOC | More |
| 973 | 377 | MADISON | New Jersey | VERIZON NEW JERSEY, INC. | RBOC | More |
| 978 | 377 | WALTHAM - 2 | Massachusetts | MCI WORLDCOM COMMUNICATIONS, INC. - MA | CLEC | More |
| 984 | 377 | DURHAM | North Carolina | SUNCOM DBA T-MOBILE USA | PCS | More |
| 985 | 377 | MANDEVILLE | Louisiana | US LEC COMMUNICATIONS, INC. - LA | | More |
| 989 | 377 | BIRCH RUN | Michigan | TELNET WORLDWIDE, INC. | CLEC | More |
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