Area
Code | Prefix | City/Switch Name
(Click for city search) | State/Prov.
Area Map | Telephone Company
Web link | Telco
Type | More
Info |
|---|
| 201 | 256 | CLOSTER | New Jersey | AT&T LOCAL | CLEC | More |
| 202 | 256 | WSHNGTNZN1 | District of Columbia | NEW CINGULAR WIRELESS PCS, LLC - DC | WIRELESS PROV | More |
| 203 | 256 | FAIRFIELD | Connecticut | SOUTHERN NEW ENGLAND TELEPHONE CO. | IND. TELCO | More |
| 204 | 256 | WINNIPEG | Manitoba | MTS Inc. | IND. TELCO | More |
| 206 | 256 | SEATTLE | Washington | QWEST CORPORATION | RBOC | More |
| 207 | 256 | FRYEBURG | Maine | BELL ATLANTIC NYNEX MOBILE | WIRELESS PROV | More |
| 208 | 256 | INDIAN VLY | Idaho | CAMBRIDGE TELEPHONE COMPANY | IND. TELCO | More |
| 209 | 256 | JACKSON | California | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 210 | 256 | SANANTONIO | Texas | SOUTHWESTERN BELL | RBOC | More |
| 212 | 256 | NWYRCYZN01 | New York | VERIZON NEW YORK, INC. | RBOC | More |
| 213 | 256 | LSAN DA 01 | California | NEUTRAL TANDEM-CALIFORNIA, LLC - CA | | More |
| 214 | 256 | DALLAS | Texas | SOUTHWESTERN BELL | RBOC | More |
| 215 | 256 | HARLEYSVL | Pennsylvania | VERIZON PENNSYLVANIA, INC. | RBOC | More |
| 216 | 256 | CLEVELAND | Ohio | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 217 | 256 | WARSAW | Illinois | CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL | | More |
| 218 | 256 | COLERAINE | Minnesota | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 219 | 256 | E CHICAGO | Indiana | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 220 | 256 | ATHENS | Ohio | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 224 | 256 | ALGONQUIN | Illinois | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 226 | 256 | Owen Sound | Ontario | Fibernetics Corporation | | More |
| 229 | 256 | TIFTON | Georgia | POWERTEL ATLANTA LICENSES, INC. | WIRELESS PROV | More |
| 231 | 256 | LKLEELANAU | Michigan | AMERITECH MICHIGAN | RBOC | More |
| 234 | 256 | HUBBARD | Ohio | NEUTRAL TANDEM-MICHIGAN, LLC - OH | | More |
| 239 | 256 | BONITA SPG | Florida | NEUTRAL TANDEM-FLORIDA, LLC - FL | | More |
| 240 | 256 | LEONARDTN | District of Columbia | TELEPORT COMMUNICATIONS GROUP, INC. - DC | CLEC | More |
| 248 | 256 | OXFORD | Michigan | GLOBAL CROSSING TELEMANAGEMENT, INC.-MI | CLEC | More |
| 250 | 256 | LILLOOET | British Columbia | TELUS | IND. TELCO | More |
| 251 | 256 | LILLIAN | Alabama | MCC TELEPHONY OF THE SOUTH, LLC - AL | | More |
| 252 | 256 | KLDEVILHLS | North Carolina | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC | WIRELESS PROV | More |
| 253 | 256 | PUYALLUP | Washington | ELECTRIC LIGHTWAVE, LLC DBA INTEGRA TELECOM - WA | CLEC | More |
| 254 | 256 | SALADO | Texas | LEVEL 3 COMMUNICATIONS, LLC - TX | CLEC | More |
| 260 | 256 | CRAIGVILLE | Indiana | MCC TELEPHONY OF THE MID-WEST, LLC - IN | | More |
| 262 | 256 | DELAFIELD | Wisconsin | BANDWIDTH.COM CLEC, LLC - WI | | More |
| 267 | 256 | PHLDLPHZN1 | Pennsylvania | VERIZON PENNSYLVANIA, INC. | RBOC | More |
| 269 | 256 | CASSOPOLIS | Michigan | NEUTRAL TANDEM-MICHIGAN, LLC - MI | | More |
| 270 | 256 | BEAVER DAM | Kentucky | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 272 | 256 | NEWPHLDLPH | Pennsylvania | NEUTRAL TANDEM-PENNSYLVANIA, LLC - PA | | More |
| 279 | 256 | FOLSOM | California | NEUTRAL TANDEM-CALIFORNIA, LLC - CA | | More |
| 281 | 256 | CYPRESS | Texas | SOUTHWESTERN BELL | RBOC | More |
| 289 | 256 | Woodbridge | Ontario | TELUS Integrated Communications | CLEC | More |
| 301 | 256 | LAUREL236 | Maryland | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | CLEC | More |
| 303 | 256 | DENVER | Colorado | TELEPORT COMMUNICATIONS GROUP - CO | CAP | More |
| 304 | 256 | BECKLEY | West Virginia | FRONTIER WEST VIRGINIA INC. | RBOC | More |
| 305 | 256 | PERRINE | Florida | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 306 | 256 | CUDWORTH | Saskatchewan | SaskTel | IND. TELCO | More |
| 307 | 256 | CHEYENNE | Wyoming | METRO PCS, INC. | | More |
| 309 | 256 | PEORIA | Illinois | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | WIRELESS PROV | More |
| 310 | 256 | INGLEWOOD | California | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | WIRELESS PROV | More |
| 312 | 256 | CHICGOZN01 | Illinois | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | CLEC | More |
| 313 | 256 | DETROITZN1 | Michigan | AMERITECH MICHIGAN | RBOC | More |
| 314 | 256 | ST LOUIS | Missouri | SOUTHWESTERN BELL | RBOC | More |
| 315 | 256 | FAYETTEVL | New York | PAETEC COMMUNICATIONS, INC. - NY | CLEC | More |
| 316 | 256 | TOWANDA | Kansas | SPRINT SPECTRUM L.P. | PCS | More |
| 317 | 256 | INDIANAPLS | Indiana | USA MOBILITY WIRELESS, INC. | WIRELESS PROV | More |
| 318 | 256 | MANY | Louisiana | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | RBOC | More |
| 319 | 256 | WAYLAND | Iowa | FARMERS & MERCHANTS MUTUAL TELEPHONE CO. | IND. TELCO | More |
| 320 | 256 | MELROSE | Minnesota | MELROSE TELEPHONE CO. | IND. TELCO | More |
| 321 | 256 | APOPKA | Florida | PAETEC COMMUNICATIONS, INC. - FL | CLEC | More |
| 323 | 256 | LSAN DA 03 | California | PACIFIC BELL | RBOC | More |
| 325 | 256 | SWEETWATER | Texas | NTS COMMUNICATIONS, INC. | CLEC | More |
| 330 | 256 | AKRON | Ohio | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 331 | 256 | AURORA | Illinois | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | WIRELESS PROV | More |
| 332 | 256 | NWYRCYZN01 | New York | OMNIPOINT COMMUNICATIONS, INC. - NY | WIRELESS PROV | More |
| 334 | 256 | FLORALA | Alabama | TIME WARNER CABLE INFO SVCS (ALABAMA),LLC - AL | | More |
| 336 | 256 | GREENSBORO | North Carolina | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 337 | 256 | NEW IBERIA | Louisiana | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 346 | 256 | HOUSTON | Texas | AERIAL COMMUNICATIONS | WIRELESS PROV | More |
| 347 | 256 | NWYRCYZN09 | New York | METRO PCS, INC. | | More |
| 352 | 256 | GAINESVL | Florida | POWERTEL JACKSONVILLE LICENSES, INC. | WIRELESS PROV | More |
| 360 | 256 | VANCOUVER | Washington | QWEST CORPORATION | RBOC | More |
| 361 | 256 | BENAVIDES | Texas | SOUTHWESTERN BELL | RBOC | More |
| 385 | 256 | SALT LAKE | Utah | BANDWIDTH.COM CLEC, LLC - UT | | More |
| 386 | 256 | DAYTONABCH | Florida | SBC INTERNET SERVICES, INC. | | More |
| 401 | 256 | PROVIDENCE | Rhode Island | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - RI | WIRELESS PROV | More |
| 402 | 256 | LAUREL | Nebraska | QWEST CORPORATION | RBOC | More |
| 403 | 256 | CALGARY | Alberta | TELUS | IND. TELCO | More |
| 404 | 256 | ATLANTA | Georgia | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 406 | 256 | BILLINGS | Montana | QWEST CORPORATION | RBOC | More |
| 407 | 256 | ORLANDO | Florida | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 408 | 256 | SNJS SOUTH | California | PACIFIC BELL | RBOC | More |
| 409 | 256 | GALVESTON | Texas | AERIAL COMMUNICATIONS | WIRELESS PROV | More |
| 410 | 256 | PARKVILLE | Maryland | VERIZON MARYLAND, INC. | RBOC | More |
| 412 | 256 | PTTSBGZON4 | Pennsylvania | VERIZON PENNSYLVANIA, INC. | RBOC | More |
| 413 | 256 | AMHERST | Massachusetts | VERIZON NEW ENGLAND INC. | RBOC | More |
| 414 | 256 | MILWAUKZN1 | Wisconsin | AMERITECH WISCONSIN | RBOC | More |
| 415 | 256 | SAN RAFAEL | California | PACIFIC BELL | RBOC | More |
| 416 | 256 | TORONTO | Ontario | Bell Canada | IND. TELCO | More |
| 417 | 256 | WESTPLAINS | Missouri | CENTURYTEL MISSOURI LLC (SOUTHERN)DBA CENTURYLINK | | More |
| 418 | 256 | LA DORE | Quebec | Bell Canada | IND. TELCO | More |
| 419 | 256 | GRELTNMLNT | Ohio | UNITED TEL. CO. OF OHIO - CENTURYLINK | IND. TELCO | More |
| 423 | 256 | CHURCHHILL | Tennessee | UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN | IND. TELCO | More |
| 424 | 256 | LOS ANGELES | California | BANDWIDTH.COM CLEC, LLC - CA | | More |
| 425 | 256 | BELLEVUE | Washington | TELEPORT COMMUNICATIONS GROUP - SEATTLE | CAP | More |
| 430 | 256 | CADDOMILLS | Texas | BANDWIDTH.COM CLEC, LLC - TX | | More |
| 434 | 256 | BOYDTON | Virginia | PEERLESS NETWORK OF VIRGINIA, LLC - VA | | More |
| 435 | 256 | ST GEORGE | Utah | NEUTRAL TANDEM-UTAH, LLC - UT | | More |
| 440 | 256 | KIRTLAND | Ohio | AMERITECH OHIO | RBOC | More |
| 442 | 256 | INDIO | California | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | WIRELESS PROV | More |
| 443 | 256 | NORTH EAST | Maryland | CTC COMMUNICATIONS CORP. - MD | CLEC | More |
| 445 | 256 | PHLDLPHZN2 | Pennsylvania | VONAGE NETWORK INC. | | More |
| 447 | 256 | CHARLESTON | Illinois | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 448 | 256 | DESTIN | Florida | NEUTRAL TANDEM-FLORIDA, LLC - FL | | More |
| 450 | 256 | Pont-Viau | Quebec | ISP Telecom | CLEC | More |
| 458 | 256 | BEND | Oregon | BANDWIDTH.COM CLEC, LLC - OR | | More |
| 469 | 256 | ENNIS | Texas | LEVEL 3 COMMUNICATIONS, LLC - TX | CLEC | More |
| 470 | 256 | BARNESVL | Georgia | NEUTRAL TANDEM-GEORGIA, LLC - GA | | More |
| 475 | 256 | DANBURY | Connecticut | OMNIPOINT COMMUNICATIONS, INC. - CT | WIRELESS PROV | More |
| 478 | 256 | MACON | Georgia | METRO PCS, INC. | | More |
| 479 | 256 | ROGERS | Arkansas | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AR | WIRELESS PROV | More |
| 480 | 256 | PHOENIX | Arizona | QWEST CORPORATION | RBOC | More |
| 484 | 256 | READING | Pennsylvania | METRO PCS, INC. | | More |
| 501 | 256 | LITTLEROCK | Arkansas | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 503 | 256 | PORTLAND | Oregon | QWEST CORPORATION | RBOC | More |
| 504 | 256 | NEWORLEANS | Louisiana | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 505 | 256 | ALBUQURQUE | New Mexico | QWEST CORPORATION | RBOC | More |
| 507 | 256 | CLARKS GRV | Minnesota | CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN | | More |
| 508 | 256 | BROCKTON | Massachusetts | XO MASSACHUSETTS, INC. | CLEC | More |
| 509 | 256 | ANATONE | Washington | ASOTIN TELEPHONE CO. | IND. TELCO | More |
| 510 | 256 | CROCKETT | California | BANDWIDTH.COM CLEC, LLC - CA | | More |
| 512 | 256 | BASTROP | Texas | BANDWIDTH.COM CLEC, LLC - TX | | More |
| 513 | 256 | CINCINNATI | Ohio | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH | WIRELESS PROV | More |
| 514 | 256 | MONTREAL | Quebec | Bell Canada | IND. TELCO | More |
| 515 | 256 | DES MOINES | Iowa | QWEST CORPORATION | RBOC | More |
| 516 | 256 | NASSAUZN03 | New York | VERIZON NEW YORK, INC. | RBOC | More |
| 517 | 256 | LANSING | Michigan | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI | WIRELESS PROV | More |
| 518 | 256 | ALBANY | New York | NEW CINGULAR WIRELESS PCS, LLC - DC | WIRELESS PROV | More |
| 519 | 256 | WINDSOR | Ontario | Bell Canada | IND. TELCO | More |
| 520 | 256 | TUCSON | Arizona | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 530 | 256 | WESTWOOD | California | CITIZENS TELECOMM DBA FRONTIER COMM GOLDEN STATE | IND. TELCO | More |
| 539 | 256 | ALBION | Oklahoma | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 540 | 256 | WAYNESBORO | Virginia | NEW CINGULAR WIRELESS PCS, LLC - DC | WIRELESS PROV | More |
| 541 | 256 | HEPPNER | Oregon | UNITED STATES CELLULAR CORP. - OREGON | WIRELESS PROV | More |
| 551 | 256 | JERSEYCITY | New Jersey | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | CLEC | More |
| 559 | 256 | FRESNO | California | TW TELECOM OF CALIFORNIA LP - CA | CLEC | More |
| 561 | 256 | BELLEGLADE | Florida | PTICAL TELECOMMUNICATIONS, INC. - F | | More |
| 562 | 256 | LONG BEACH | California | PACIFIC BELL - CLEC | CLEC | More |
| 564 | 256 | BREMERTON | Washington | TELEPORT COMMUNICATIONS GROUP - SEATTLE | CAP | More |
| 567 | 256 | SANDUSKY | Ohio | BANDWIDTH.COM CLEC, LLC - OH | | More |
| 570 | 256 | MUHLENBURG | Pennsylvania | COMMONWEALTH TELEPHONE COMPANY | IND. TELCO | More |
| 571 | 256 | WASHINGTON ZONE 8 | Virginia | VERIZON VIRGINIA, INC. | RBOC | More |
| 573 | 256 | COLUMBIA | Missouri | CENTURYTEL OF MISSOURI LLC (CNTL) DBA CENTURYLINK | | More |
| 574 | 256 | SOUTH BEND | Indiana | AMERITECH INDIANA | RBOC | More |
| 575 | 256 | ALBUQUERQUE | New Mexico | NEUTRAL TANDEM-NEW MEXICO,LLC - NM | | More |
| 580 | 256 | WOODWARD | Oklahoma | SOUTHWESTERN BELL | RBOC | More |
| 581 | 256 | St-Fidele | Quebec | Telecommunications Xittel Inc | | More |
| 582 | 256 | REYNOLDSVL | Pennsylvania | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 585 | 256 | ROCHESTER | New York | FRONTIER TELEPHONE OF ROCHESTER INC | IND. TELCO | More |
| 586 | 256 | MT CLEMENS | Michigan | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI | WIRELESS PROV | More |
| 587 | 256 | Viking | Alberta | TELUS Mobility | WIRELESS PROV | More |
| 601 | 256 | FAYETTE | Mississippi | DIXIENET COMMUNICATIONS, LLC | CLEC | More |
| 602 | 256 | PHOENIX | Arizona | QWEST CORPORATION | RBOC | More |
| 603 | 256 | WCHESTEFLD | New Hampshire | NO NEW ENGLAND TEL OP DBA FAIRPOINT COMM - NH | RBOC | More |
| 604 | 256 | New Westminster | British Columbia | Iristel Inc. | | More |
| 605 | 256 | MADISON | South Dakota | QWEST CORPORATION | RBOC | More |
| 606 | 256 | MT VERNON | Kentucky | WINDSTREAM KENTUCKY EAST, INC. - LONDON | | More |
| 607 | 256 | ITHACA | New York | VERIZON NEW YORK, INC. | RBOC | More |
| 608 | 256 | MADISON | Wisconsin | AMERITECH WISCONSIN | RBOC | More |
| 609 | 256 | TRENTON | New Jersey | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NJ | WIRELESS PROV | More |
| 610 | 256 | PHPHSBZN30 | Pennsylvania | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA | WIRELESS PROV | More |
| 612 | 256 | TWINCITIES | Minnesota | GLOBAL CROSSING LOCAL SERVICES, INC.-MN | CAP | More |
| 613 | 256 | ALMONTE | Ontario | Bell Canada | IND. TELCO | More |
| 614 | 256 | COLUMBUS | Ohio | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 615 | 256 | NASHVILLE | Tennessee | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | RBOC | More |
| 616 | 256 | THREE RIVERS | Michigan | TELNET WORLDWIDE, INC. | CLEC | More |
| 617 | 256 | CAMBRIDGE | Massachusetts | OMNIPOINT MIAMI E LICENSE, LLC | PCS | More |
| 618 | 256 | BELLEVILLE | Illinois | AMERITECH ILLINOIS | RBOC | More |
| 619 | 256 | CHULAVISTA | California | USA MOBILITY WIRELESS, INC. | WIRELESS PROV | More |
| 620 | 256 | LEBO | Kansas | UNITED TEL OF EASTERN KANSAS DBA CENTURYLINK | IND. TELCO | More |
| 626 | 256 | MONROVIA | California | VERIZON CALIFORNIA INC.-CA (GTE) | IND. TELCO | More |
| 628 | 256 | SNFC MT-EV | California | SONIC TELECOM, LLC - CA | | More |
| 630 | 256 | LA GRANGE | Illinois | AMERITECH ILLINOIS | RBOC | More |
| 631 | 256 | HUNTINGTON | New York | TELEPORT COMMUNICATIONS GROUP - NY | CAP | More |
| 636 | 256 | MANCHESTER | Missouri | SOUTHWESTERN BELL | RBOC | More |
| 640 | 256 | PEMBERTON | New Jersey | NEUTRAL TANDEM-NEW JERSEY, LLC - NJ | | More |
| 641 | 256 | CRESTON | Iowa | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 646 | 256 | NEW YORK CITY ZONE | New York | NEW CINGULAR WIRELESS PCS, LLC - DC | WIRELESS PROV | More |
| 647 | 256 | Toronto | Ontario | MTS Allstream Inc. | CLEC | More |
| 650 | 256 | SOUTH SAN FRANCISCO | California | AMERICAN MESSAGING (AM), INC. | | More |
| 651 | 256 | MINNEAPOLIS | Minnesota | OVATION COMMUNICATIONS OF MINNESOTA, INC. | CLEC | More |
| 657 | 256 | CYPRESS | California | NEUTRAL TANDEM-CALIFORNIA, LLC - CA | | More |
| 660 | 256 | ROTHVILLE | Missouri | WINDSTREAM MISSOURI, INC. | IND. TELCO | More |
| 661 | 256 | ROSAMOND | California | PACIFIC BELL | RBOC | More |
| 662 | 256 | AMORY | Mississippi | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | RBOC | More |
| 669 | 256 | SARATOGA | California | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 678 | 256 | MARIETTA | Georgia | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | CLEC | More |
| 680 | 256 | WEEDSPORT | New York | CORETEL NEW YORK, INC. - NY | | More |
| 681 | 256 | WEBSTERSPG | West Virginia | BANDWIDTH.COM CLEC, LLC - WV | | More |
| 682 | 256 | ARLINGTON | Texas | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 689 | 256 | ORLANDO | Florida | PAETEC COMMUNICATIONS, INC. - FL | CLEC | More |
| 701 | 256 | LANGDON | North Dakota | UNITED TELEPHONE MUTUAL AID CORP. | IND. TELCO | More |
| 702 | 256 | LAS VEGAS | Nevada | CENTRAL TEL. CO. - NV | IND. TELCO | More |
| 703 | 256 | WASZ 17 | Virginia | VERIZON VIRGINIA, INC. | RBOC | More |
| 704 | 256 | CHARLOTTE | North Carolina | TIME WARNER CBL INFO SVC (NC) DBA TIME WARNER CBL | | More |
| 705 | 256 | SAULT ST MARIE | Ontario | Bell Canada | IND. TELCO | More |
| 706 | 256 | COLUMBUS | Georgia | DELTACOM, INC. - GA | CLEC | More |
| 707 | 256 | NAPA | California | PACIFIC BELL | RBOC | More |
| 708 | 256 | BURR RIDGE | Illinois | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 709 | 256 | GANDER | Newfoundland | Aliant Telecom (NF) | IND. TELCO | More |
| 713 | 256 | HOUSTON | Texas | AERIAL COMMUNICATIONS | WIRELESS PROV | More |
| 714 | 256 | BREA | California | PACIFIC BELL | RBOC | More |
| 715 | 256 | WAUPACA | Wisconsin | AMERITECH WISCONSIN | RBOC | More |
| 716 | 256 | ROCHESTER | New York | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY | WIRELESS PROV | More |
| 717 | 256 | HUMMELSTOWN | Pennsylvania | CHOICE ONE COMMUNICATIONS, INC. - PA | CLEC | More |
| 718 | 256 | NYCZ 7 | New York | VERIZON NEW YORK, INC. | RBOC | More |
| 719 | 256 | MOSCA | Colorado | COLUMBINE ACQUISITION CORP DBA COLUMBINE TELCO LTD | IND. TELCO | More |
| 720 | 256 | DENVER | Colorado | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 724 | 256 | BUTLER | Pennsylvania | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 725 | 256 | LAS VEGAS | Nevada | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 726 | 256 | SANANTONIO | Texas | NEUTRAL TANDEM-TEXAS, LLC - TX | | More |
| 727 | 256 | STPETERSBG | Florida | TCG SOUTH FLORIDA | CLEC | More |
| 731 | 256 | JACKSON | Tennessee | WINDSTREAM NORLIGHT, INC. - TN | | More |
| 732 | 256 | FARMINGDALE | New Jersey | LEVEL 3 COMMUNICATIONS, LLC - NJ | CLEC | More |
| 734 | 256 | DETROIT | Michigan | TCG DETROIT - MI | | More |
| 737 | 256 | AUSTIN | Texas | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX | WIRELESS PROV | More |
| 740 | 256 | GUYAN | Ohio | AMERITECH OHIO | RBOC | More |
| 743 | 256 | HIGH POINT | North Carolina | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC | WIRELESS PROV | More |
| 747 | 256 | NO HOLLYWD | California | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 754 | 256 | HOLLYWOOD | Florida | METRO PCS, INC. | | More |
| 757 | 256 | CHESAPEAKE | Virginia | LEVEL 3 COMMUNICATIONS, LLC - VA | CLEC | More |
| 760 | 256 | BARSTOW | California | VERIZON CALIFORNIA INC.-CA | IND. TELCO | More |
| 762 | 256 | COLUMBUS | Georgia | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 763 | 256 | OSSEO | Minnesota | SPRINT SPECTRUM L.P. | PCS | More |
| 765 | 256 | BLOUNTSVL | Indiana | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN | WIRELESS PROV | More |
| 769 | 256 | MERIDIAN | Mississippi | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 770 | 256 | ATLANTA NE | Georgia | METRO PCS, INC. | | More |
| 773 | 256 | CHCZ 7 | Illinois | AMERITECH ILLINOIS | RBOC | More |
| 774 | 256 | FOXBORO | Massachusetts | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | CLEC | More |
| 775 | 256 | FISH LAKE VALLEY | Nevada | NEUTRAL TANDEM-NEVADA, LLC - NV | | More |
| 778 | 256 | Fort St. John | British Columbia | TELUS Mobility | WIRELESS PROV | More |
| 779 | 256 | ROCKFORD | Illinois | VONAGE NETWORK INC. | | More |
| 780 | 256 | Swan Hills | Alberta | Rogers Communications Partnership (Wireless) | WIRELESS PROV | More |
| 781 | 256 | WALTHAM | Massachusetts | VERIZON NEW ENGLAND INC. | RBOC | More |
| 785 | 256 | TOPEKA | Kansas | SOUTHWESTERN BELL | RBOC | More |
| 786 | 256 | PERRINE | Florida | METRO PCS, INC. | | More |
| 787 | 256 | CANOVANAS | Puerto Rico | PUERTO RICO TELEPHONE CO. | IND. TELCO | More |
| 801 | 256 | MIDVALE | Utah | QWEST CORPORATION | RBOC | More |
| 803 | 256 | COLUMBIA | South Carolina | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 804 | 256 | RICHMOND | Virginia | BANDWIDTH.COM CLEC, LLC - VA | | More |
| 805 | 256 | BURBANK | California | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 806 | 256 | SHAMROCK | Texas | SOUTHWESTERN BELL | RBOC | More |
| 808 | 256 | HONOLULU (OAHU ISLA | Hawaii | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 810 | 256 | DETROIT | Michigan | NEUTRAL TANDEM-MICHIGAN, LLC - MI | | More |
| 812 | 256 | CHARLESTOWN | Indiana | AMERITECH INDIANA | RBOC | More |
| 813 | 256 | TAMPA | Florida | AMERICAN MESSAGING (AM), INC. | | More |
| 814 | 256 | TIMBLIN | Pennsylvania | WINDSTREAM PENNSYLVANIA, INC. | IND. TELCO | More |
| 815 | 256 | STELLE | Illinois | STELLE TELEPHONE CO. | IND. TELCO | More |
| 816 | 256 | KANSAS CITY | Missouri | LEVEL 3 COMMUNICATIONS, LLC - MO | CLEC | More |
| 817 | 256 | IRVING | Texas | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | CLEC | More |
| 818 | 256 | SAN FERNANDO: SAN F | California | PACIFIC BELL - CLEC | CLEC | More |
| 819 | 256 | Aston-Jonction | Quebec | 9164-3122 Quebec inc | | More |
| 828 | 256 | HICKORY | North Carolina | CENTRAL TEL. CO. OF NORTH CAROLINA DBA CENTURYLINK | IND. TELCO | More |
| 830 | 256 | CAMPBELLTON | Texas | SOUTHWESTERN BELL | RBOC | More |
| 831 | 256 | SALINAS | California | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | WIRELESS PROV | More |
| 832 | 256 | HOUSTON SUBURBAN | Texas | METRO PCS, INC. | | More |
| 838 | 256 | LKPLEASANT | New York | CORETEL NEW YORK, INC. - NY | | More |
| 839 | 256 | NEWBERRY | South Carolina | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 840 | 256 | UPLAND | California | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 843 | 256 | CHARLESTON | South Carolina | NUVOX COMMUNICATIONS | CLEC | More |
| 845 | 256 | NEW PALTZ | New York | VERIZON NEW YORK, INC. | RBOC | More |
| 847 | 256 | WILMETTE | Illinois | AMERITECH ILLINOIS | RBOC | More |
| 848 | 256 | METUCHEN | New Jersey | OMNIPOINT COMMUNICATIONS, INC. - NJ | WIRELESS PROV | More |
| 850 | 256 | FLOMATON | Alabama | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | RBOC | More |
| 854 | 256 | MONCKS COR | South Carolina | SUNCOM DBA T-MOBILE USA | PCS | More |
| 856 | 256 | GLASSBORO | New Jersey | VERIZON NEW JERSEY, INC. | RBOC | More |
| 857 | 256 | CAMBRIDGE | Massachusetts | PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA | | More |
| 859 | 256 | VERSAILLES | Kentucky | WINDSTREAM KENTUCKY EAST, INC. - LEXINGTON | | More |
| 860 | 256 | HARTFORD | Connecticut | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | CLEC | More |
| 862 | 256 | NEWARK | New Jersey | OMNIPOINT COMMUNICATIONS, INC. - NJ | WIRELESS PROV | More |
| 863 | 256 | TAMPA | Florida | TCG SOUTH FLORIDA | CLEC | More |
| 864 | 256 | GREENVILLE | South Carolina | XSPEDIUS MANAGEMENT CO SWITCHED SERVICES, LLC - SC | CLEC | More |
| 865 | 256 | KNOXVILLE | Tennessee | UNITED STATES CELLULAR CORP. - TENNESSEE | WIRELESS PROV | More |
| 870 | 256 | DES ARC | Arkansas | CENTURYTEL CENTRAL ARKANSAS, LLC DBA CENTURYLINK | | More |
| 872 | 256 | CHICGOZN05 | Illinois | BANDWIDTH.COM CLEC, LLC - IL | | More |
| 878 | 256 | PTTSBGZON1 | Pennsylvania | TCG PITTSBURGH, INC. | CAP | More |
| 902 | 256 | MOUNT UNIACKE | Nova Scotia | Bragg Communications Inc. | CLEC | More |
| 903 | 256 | ORE CITY | Texas | ETEX COMMUNICATIONS L.P. DBA ETEX WIRELESS | | More |
| 904 | 256 | JACKSONVILLE | Florida | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 905 | 256 | MALTON | Ontario | Rogers Communications Partnership (Cable) | CLEC | More |
| 906 | 256 | GWINN | Michigan | LEVEL 3 COMMUNICATIONS, LLC - MI | CLEC | More |
| 907 | 256 | TUNTUTULIAK | Alaska | UNITED UTILITIES, INC. | IND. TELCO | More |
| 908 | 256 | SOMERVILLE | New Jersey | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NJ | WIRELESS PROV | More |
| 909 | 256 | ANAHEIM | California | TIME WARNER CBL INFO SVCS (CA) DBATIME WARNER CBL | | More |
| 910 | 256 | WRIGHTSVILLE BEACH | North Carolina | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 912 | 256 | JESUP | Georgia | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 913 | 256 | OSAWATOMIE | Kansas | UNITED TEL CO. OF KANSAS DBA CENTURYLINK | IND. TELCO | More |
| 914 | 256 | NEW PALTZ | New York | NEUTRAL TANDEM-NEW YORK, LLC - NY | | More |
| 915 | 256 | EL PASO | Texas | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 916 | 256 | SACRAMENTO: NORTH D | California | LEVEL 3 COMMUNICATIONS, LLC - CA | CLEC | More |
| 917 | 256 | NYCZ 1 | New York | VERIZON NEW YORK, INC. | RBOC | More |
| 918 | 256 | VINITA | Oklahoma | SOUTHWESTERN BELL | RBOC | More |
| 919 | 256 | RALEIGH | North Carolina | NUVOX COMMUNICATIONS | CLEC | More |
| 920 | 256 | MILWAUKEE | Wisconsin | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 925 | 256 | WALNUT CREEK | California | PACIFIC BELL | RBOC | More |
| 928 | 256 | BULLHEADCY | Arizona | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 929 | 256 | NWYRCYZN14 | New York | OMNIPOINT COMMUNICATIONS, INC. - NY | WIRELESS PROV | More |
| 931 | 256 | SPARTA | Tennessee | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 937 | 256 | DAYTON | Ohio | AMERITECH OHIO | RBOC | More |
| 939 | 256 | BAYAMONNOR | Puerto Rico | PUERTO RICO TELCO DBA VERIZON WIRELESS PUERTO RICO | WIRELESS PROV | More |
| 940 | 256 | SEYMOUR | Texas | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX | WIRELESS PROV | More |
| 941 | 256 | TAMPA | Florida | LEVEL 3 COMMUNICATIONS, LLC - FL | CLEC | More |
| 943 | 256 | GAINESVL | Georgia | NEUTRAL TANDEM-GEORGIA, LLC - GA | | More |
| 947 | 256 | MILFDWH LK | Michigan | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 949 | 256 | SADDLEBACK VALLEY | California | 33 WIRELESS INC. | WIRELESS PROV | More |
| 951 | 256 | CORONA | California | TELEPORT COMMUNICATIONS GROUP - LOS ANGELES | CLEC | More |
| 952 | 256 | TWINCITIES | Minnesota | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MN | | More |
| 954 | 256 | FORT LAUDERDALE | Florida | BANDWIDTH.COM CLEC, LLC - FL | | More |
| 956 | 256 | HARLINGEN | Texas | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 959 | 256 | HARTFORD | Connecticut | NEUTRAL TANDEM-NEW YORK, LLC - CT | | More |
| 970 | 256 | GRAND JUNCTION | Colorado | QWEST CORPORATION | RBOC | More |
| 971 | 256 | PORTLAND | Oregon | PEERLESS NETWORK OF OREGON, LLC - OR | | More |
| 972 | 256 | IRVING | Texas | GTE-SW DBA VERIZON SW INC.-TX | IND. TELCO | More |
| 973 | 256 | LITTLE FALLS | New Jersey | VERIZON NEW JERSEY, INC. | RBOC | More |
| 978 | 256 | LOWELL | Massachusetts | VERIZON NEW ENGLAND INC. | RBOC | More |
| 979 | 256 | HOUSTON | Texas | LEVEL 3 COMMUNICATIONS, LLC - TX | CLEC | More |
| 980 | 256 | CHARLOTTE | North Carolina | PEERLESS NETWORK OF NORTH CAROLINA, LLC - NC | | More |
| 984 | 256 | OXFORD | North Carolina | NEUTRAL TANDEM-NORTH CAROLINA, LLC - NC | | More |
| 985 | 256 | PEARLRIVER | Louisiana | SBC INTERNET SERVICES, INC. | | More |
| 986 | 256 | BOISE | Idaho | NEUTRAL TANDEM-IDAHO, LLC - ID | | More |
| 989 | 256 | ROGERSCITY | Michigan | NEUTRAL TANDEM-MICHIGAN, LLC - MI | | More |
|
