Area Code | Prefix | City/Switch Name (Click for city search) | State/Prov. Area Map | Telephone Company Web link | Telco Type | More Info |
|---|
| 201 | 306 | NEWARK | New Jersey | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NJ | WIRELESS PROV | More |
| 202 | 306 | WSHNGTNZN1 | District of Columbia | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC | WIRELESS PROV | More |
| 203 | 306 | MILFORD | Connecticut | CHOICE ONE COMMUNICATIONS, INC. - CT | CLEC | More |
| 205 | 306 | BIRMINGHAM | Alabama | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL | WIRELESS PROV | More |
| 206 | 306 | SEATTLE | Washington | QWEST CORPORATION | RBOC | More |
| 207 | 306 | BELFAST | Maine | BELL ATLANTIC MOBILE, INC | WIRELESS PROV | More |
| 208 | 306 | PRIEST RIV | Idaho | ONVOY, LLC - ID | | More |
| 209 | 306 | MILTON | California | BANDWIDTH.COM CLEC, LLC - CA | | More |
| 210 | 306 | SANANTONIO | Texas | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | CLEC | More |
| 212 | 306 | NWYRCYZN01 | New York | VERIZON NEW YORK, INC. | RBOC | More |
| 213 | 306 | LSAN DA 01 | California | METROPCS NETWORKS, LLC | | More |
| 214 | 306 | DALLAS | Texas | SOUTHWESTERN BELL | RBOC | More |
| 215 | 306 | PHLDLPHZN1 | Pennsylvania | USA MOBILITY WIRELESS, INC. | WIRELESS PROV | More |
| 216 | 306 | CLEVELAND | Ohio | BANDWIDTH.COM CLEC, LLC - OH | | More |
| 217 | 306 | SPRINGFLD | Illinois | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 218 | 306 | AURORA | Minnesota | MCC TELEPHONY LLC | | More |
| 219 | 306 | CROWNPOINT | Indiana | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 223 | 306 | YORK | Pennsylvania | NUSO, LLC | | More |
| 224 | 306 | NORTHBROOK | Illinois | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | WIRELESS PROV | More |
| 225 | 306 | ZACHARY | Louisiana | WINDSTREAM NUVOX, INC. | CLEC | More |
| 226 | 306 | Listowel | Ontario | TELUS Integrated Communications | CLEC | More |
| 229 | 306 | ELLAVILLE | Georgia | MCC TELEPHONY OF GEORGIA, LLC - GA | | More |
| 231 | 306 | CADILLAC | Michigan | TELNET WORLDWIDE, INC. | CLEC | More |
| 234 | 306 | HARTFORD | Ohio | ONVOY, LLC - OH | | More |
| 239 | 306 | NAPLES | Florida | METROPCS, INC. | | More |
| 240 | 306 | GAITHERSBG | District of Columbia | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | CLEC | More |
| 248 | 306 | FARMINGTON | Michigan | LONG DISTANCE OF MICHIGAN, INC. DBA LDMI - MI | | More |
| 250 | 306 | VERNON | British Columbia | TELUS Mobility | WIRELESS PROV | More |
| 251 | 306 | IRNGTNSTEL | Alabama | MCC TELEPHONY OF THE SOUTH, LLC - AL | | More |
| 252 | 306 | WELCH | North Carolina | BANDWIDTH.COM CLEC, LLC - NC | | More |
| 253 | 306 | TACOMA | Washington | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA | | More |
| 254 | 306 | THORNTON | Texas | ONVOY, LLC - TX | | More |
| 256 | 306 | DECATUR | Alabama | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | RBOC | More |
| 260 | 306 | NOMANCHETR | Indiana | ONVOY, LLC - IN | | More |
| 262 | 306 | WEST BEND | Wisconsin | WISCONSIN BELL INC | RBOC | More |
| 267 | 306 | YARDLEY | Pennsylvania | LEVEL 3 COMMUNICATIONS, LLC - PA | CLEC | More |
| 269 | 306 | THREERIVRS | Michigan | USA MOBILITY WIRELESS, INC. | WIRELESS PROV | More |
| 270 | 306 | FRANKLIN | Indiana | METROPCS, INC. | | More |
| 272 | 306 | BERWICK | Pennsylvania | COMMIO, LLC | | More |
| 276 | 306 | NORTON | Virginia | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 281 | 306 | SPLENDORA | Texas | LEVEL 3 COMMUNICATIONS, LLC - TX | CLEC | More |
| 289 | 306 | Markham | Ontario | Iristel Inc. | | More |
| 301 | 306 | WSHNGTNZN4 | Maryland | VERIZON MARYLAND, INC. | RBOC | More |
| 302 | 306 | HARTLY | Delaware | ONVOY, LLC - DE | | More |
| 303 | 306 | DENVERSLVN | Colorado | QWEST CORPORATION | RBOC | More |
| 304 | 306 | CHRLSTNZN7 | West Virginia | CEBRIDGE TELECOM WV, LLC DBA SUDDENLINK COMMS - WV | | More |
| 305 | 306 | NORTH DADE | Florida | BANDWIDTH.COM CLEC, LLC - FL | | More |
| 307 | 306 | DOUGLAS | Wyoming | STRATUS NETWORKS | | More |
| 308 | 306 | WALLACE | Nebraska | LEVEL 3 COMMUNICATIONS, LLC - NE | | More |
| 309 | 306 | PEORIA | Illinois | PEERLESS NETWORK OF ILLINOIS, LLC - IL | | More |
| 310 | 306 | SNMN MRVS | California | FRONTIER CALIFORNIA INC. | IND. TELCO | More |
| 312 | 306 | CHICGOZN01 | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 313 | 306 | DETROITZN5 | Michigan | BANDWIDTH.COM CLEC, LLC - MI | | More |
| 314 | 306 | LADUE | Missouri | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO | | More |
| 315 | 306 | ORISKNYFLS | New York | TIME WARNER CABLE INFO SVCE (NEW YORK) LLC-NY | | More |
| 316 | 306 | TOWANDA | Kansas | SPRINT SPECTRUM L.P. | PCS | More |
| 317 | 306 | INDIANAPLS | Indiana | INDIANA BELL TEL CO INC | RBOC | More |
| 318 | 306 | OAKDALE | Louisiana | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - LA | WIRELESS PROV | More |
| 319 | 306 | JESUP | Iowa | LEVEL 3 COMMUNICATIONS, LLC - IA | | More |
| 320 | 306 | OGILVIE | Minnesota | ONVOY, LLC - MN | | More |
| 321 | 306 | MELBOURNE | Florida | METROPCS NETWORKS, LLC | | More |
| 323 | 306 | LSAN DA 08 | California | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | CLEC | More |
| 325 | 306 | ROTAN | Texas | ONVOY SPECTRUM, LLC | | More |
| 330 | 306 | WARREN | Ohio | UNITED TEL. CO. OF OHIO DBA CENTURYLINK | IND. TELCO | More |
| 331 | 306 | DOWNERSGRV | Illinois | ONVOY, LLC | | More |
| 334 | 306 | PHENIX CITY | Alabama | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL | WIRELESS PROV | More |
| 336 | 306 | WINSTN SAL | North Carolina | CENTURYLINK COMMUNICATIONS LLC - NC | CLEC | More |
| 337 | 306 | RAYNE | Louisiana | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - LA | WIRELESS PROV | More |
| 346 | 306 | LANGHAMCRK | Texas | ONVOY, LLC - TX | | More |
| 347 | 306 | NWYRCYZN13 | New York | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY | WIRELESS PROV | More |
| 352 | 306 | BRONSON | Florida | BANDWIDTH.COM CLEC, LLC - FL | | More |
| 360 | 306 | WHATCOMCTY | Washington | LEVEL 3 COMMUNICATIONS, LLC - WA | CLEC | More |
| 361 | 306 | PORTLDGGRY | Texas | ONVOY, LLC - TX | | More |
| 385 | 306 | KAYSVILLE | Utah | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 386 | 306 | FLSHSBYRNH | Florida | ONVOY, LLC - FL | | More |
| 401 | 306 | CAROLINA | Rhode Island | OMNIPOINT MIAMI E LICENSE, LLC | PCS | More |
| 402 | 306 | OMAHA | Nebraska | AERIAL COMMUNICATIONS, INC. | WIRELESS PROV | More |
| 403 | 306 | OKOTOKS | Alberta | Rogers Communications Partnership (Cable) | CLEC | More |
| 404 | 306 | ATLANTA | Georgia | MERRYVILLE INVESTMENTS, LTD DBA BEST PAGE | WIRELESS PROV | More |
| 405 | 306 | OKLA CITY | Oklahoma | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 406 | 306 | MANHATTAN | Montana | ONVOY, LLC - MT | | More |
| 407 | 306 | ORLANDO | Florida | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 408 | 306 | SUNNYVALE | California | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 409 | 306 | BEAUMONT | Texas | HD CARRIER LLC | | More |
| 410 | 306 | ABERDEEN | Maryland | VERIZON MARYLAND, INC. | RBOC | More |
| 412 | 306 | PTTSBGZON6 | Pennsylvania | VERIZON PENNSYLVANIA, INC. | RBOC | More |
| 413 | 306 | SPRINGFLD | Massachusetts | LEVEL 3 COMMUNICATIONS, LLC - MA | CLEC | More |
| 414 | 306 | MILWAUKZN3 | Wisconsin | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 415 | 306 | SAN RAFAEL | California | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | CLEC | More |
| 416 | 306 | TORONTO | Ontario | Bell Canada | IND. TELCO | More |
| 417 | 306 | SPRINGFLD | Missouri | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO | | More |
| 418 | 306 | La Baie (Chicoutimi | Quebec | Videotron General Partnership | CLEC | More |
| 419 | 306 | FINDLAY | Ohio | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH | WIRELESS PROV | More |
| 423 | 306 | MIDWAY SUL | Tennessee | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN | WIRELESS PROV | More |
| 424 | 306 | TORRANCE | California | ONVOY, LLC - CA | | More |
| 425 | 306 | RENTON | Washington | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 430 | 306 | EMORY | Texas | TIME WARNER CBLE INFO SVC (TX) DBA TIME WARNER CBL | | More |
| 432 | 306 | BIG SPRING | Texas | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 434 | 306 | DANVILLE | Virginia | NEW CINGULAR WIRELESS PCS, LLC - DC | WIRELESS PROV | More |
| 435 | 306 | EUREKA | Utah | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 440 | 306 | WILLOUGHBY | Ohio | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH | CLEC | More |
| 442 | 306 | INDIO | California | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 443 | 306 | SEVERNA PK | Maryland | METROPCS, INC. | | More |
| 445 | 306 | LANSDALE | Pennsylvania | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA | WIRELESS PROV | More |
| 450 | 306 | Cowansville | Quebec | ISP Telecom | CLEC | More |
| 458 | 306 | PORTORFORD | Oregon | ONVOY, LLC - OR | | More |
| 463 | 306 | FISHERS | Indiana | ONVOY, LLC - IN | | More |
| 469 | 306 | DE SOTO | Texas | ONVOY, LLC - TX | | More |
| 470 | 306 | ATLANTA NE | Georgia | BANDWIDTH.COM CLEC, LLC - GA | | More |
| 475 | 306 | NEW HAVEN | Connecticut | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT | WIRELESS PROV | More |
| 478 | 306 | DUBLIN | Georgia | ONVOY, LLC - GA | | More |
| 479 | 306 | SPRINGDALE | Arkansas | SOUTHWESTERN BELL | RBOC | More |
| 480 | 306 | PHOENIX | Arizona | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 484 | 306 | RIEGELSVL | Pennsylvania | TELNYX LLC | | More |
| 501 | 306 | SPRINGDALE | Arkansas | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 502 | 306 | PORT ROYAL | Kentucky | ONVOY, LLC - KY | | More |
| 503 | 306 | PORTLAND | Oregon | QWEST CORPORATION | RBOC | More |
| 504 | 306 | KENNER | Louisiana | LEVEL 3 TELECOM OF LOUISIANA, LLC - LA | CLEC | More |
| 505 | 306 | ALBUQURQUE | New Mexico | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 507 | 306 | ALDEN | Minnesota | ONVOY, LLC - MN | | More |
| 508 | 306 | HOLLISTON | Massachusetts | LEVEL 3 COMMUNICATIONS, LLC - MA | CLEC | More |
| 509 | 306 | ELLENSBURG | Washington | METROPCS, INC. | | More |
| 510 | 306 | OKLD ALMD | California | METROPCS, INC. | | More |
| 512 | 306 | AUSTIN | Texas | SOUTHWESTERN BELL | RBOC | More |
| 513 | 306 | MIDDLETOWN | Ohio | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 514 | 306 | MONTREAL | Quebec | Bell Canada | IND. TELCO | More |
| 515 | 306 | DES MOINES | Iowa | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 516 | 306 | NASSAUZN05 | New York | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY | WIRELESS PROV | More |
| 517 | 306 | HUDSON | Michigan | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 518 | 306 | SARATOGSPG | New York | AT&T - LOCAL | CLEC | More |
| 519 | 306 | Shelburne | Ontario | Rogers Communications Partnership (Cable) | | More |
| 520 | 306 | SHOW LOW | Arizona | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ | WIRELESS PROV | More |
| 530 | 306 | PLVL WEST | California | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 531 | 306 | MURRAY | Nebraska | LEVEL 3 COMMUNICATIONS, LLC - NE | | More |
| 540 | 306 | BOYCE | Virginia | CORETEL VIRGINIA, LLC - VA | | More |
| 541 | 306 | BEND | Oregon | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR | | More |
| 551 | 306 | UNION CITY | New Jersey | OMNIPOINT COMMUNICATIONS, INC. - NJ | WIRELESS PROV | More |
| 559 | 306 | PORTERVL | California | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 561 | 306 | DELRAY BCH | Florida | OMNIPOINT MIAMI E LICENSE, LLC | PCS | More |
| 562 | 306 | NORWALK | California | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 563 | 306 | DAVENPORT | Iowa | IP HORIZON LLC | | More |
| 567 | 306 | MANSFIELD | Ohio | CSC WIRELESS, LLC | | More |
| 570 | 306 | COVINGTON | Pennsylvania | CORE COMMUNICATIONS, INC. - PA | | More |
| 571 | 306 | HERNDON | Virginia | BANDWIDTH.COM CLEC, LLC - VA | | More |
| 573 | 306 | EMINENCE | Missouri | ONVOY, LLC - MO | | More |
| 574 | 306 | WARSAW | Indiana | LEVEL 3 COMMUNICATIONS, LLC - IN | CLEC | More |
| 575 | 306 | ROSWELL | New Mexico | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 580 | 306 | BROKEN BOW | Oklahoma | PINE TEL. CO. | IND. TELCO | More |
| 581 | 306 | Chicoutimi | Quebec | Bell Mobility | WIRELESS PROV | More |
| 585 | 306 | ROCHESTER | New York | FRONTIER TELEPHONE OF ROCHESTER, INC. | IND. TELCO | More |
| 586 | 306 | WARREN | Michigan | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 601 | 306 | JACKSON | Mississippi | AMERICAN MESSAGING SERVICES, LLC | | More |
| 602 | 306 | PHOENIX | Arizona | QWEST CORPORATION | RBOC | More |
| 603 | 306 | LEBANON | New Hampshire | FREEDOM RING COMMUNICATIONS, LLC | CLEC | More |
| 604 | 306 | NEW WESTMINISTER | British Columbia | Rogers Communications Partnership (Wireless) | WIRELESS PROV | More |
| 605 | 306 | SIOUX FLS | South Dakota | CLARITY TELECOM, LLC DBA BLUEPEAK | CLEC | More |
| 606 | 306 | ALBANY | Kentucky | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 607 | 306 | BINGHAMTON | New York | ONVOY, LLC- NY | | More |
| 608 | 306 | PRARIDCHIN | Wisconsin | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI | WIRELESS PROV | More |
| 609 | 306 | TRENTON | New Jersey | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NJ | WIRELESS PROV | More |
| 610 | 306 | PHPHSBZN30 | Pennsylvania | NEW CINGULAR WIRELESS PCS, LLC - DC | WIRELESS PROV | More |
| 612 | 306 | TWINCITIES | Minnesota | AERIAL COMMUNICATIONS, INC. | WIRELESS PROV | More |
| 613 | 306 | HAWKESBURY | Ontario | TELUS Mobility | PCS | More |
| 614 | 306 | COLUMBUS | Ohio | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH | WIRELESS PROV | More |
| 615 | 306 | NASHVILLE | Tennessee | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN | WIRELESS PROV | More |
| 616 | 306 | THREE RIVERS | Michigan | EXIANT COMMUNICATIONS LLC | | More |
| 617 | 306 | BOSTON | Massachusetts | NEW CINGULAR WIRELESS PCS, LLC - DC | WIRELESS PROV | More |
| 618 | 306 | CAIRO | Illinois | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | WIRELESS PROV | More |
| 619 | 306 | SNDG SNDG | California | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 620 | 306 | CANEY | Kansas | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 623 | 306 | PHOENIX | Arizona | ONVOY SPECTRUM, LLC | | More |
| 626 | 306 | SIERRAMADR | California | FRONTIER CALIFORNIA INC. | IND. TELCO | More |
| 629 | 306 | LEBANON | Tennessee | COMMIO, LLC | | More |
| 630 | 306 | ROSELLE | Illinois | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 631 | 306 | BRENTWOOD | New York | GLOBAL CROSSING LOCAL SERVICES, INC. - NY | CAP | More |
| 636 | 306 | HERCUMPVLY | Missouri | METROPCS, INC. | | More |
| 646 | 306 | NWYRCYZN02 | New York | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY | WIRELESS PROV | More |
| 650 | 306 | REDWOOD CITY | California | PACIFIC BELL | RBOC | More |
| 651 | 306 | STPZ 6 | Minnesota | QWEST CORPORATION | RBOC | More |
| 657 | 306 | WESTMINSTR | California | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | WIRELESS PROV | More |
| 660 | 306 | MEADVILLE | Missouri | METROPCS, INC. | | More |
| 661 | 306 | LOS ANGELES | California | LEVEL 3 COMMUNICATIONS, LLC - CA | CLEC | More |
| 662 | 306 | HOLLY SPRINGS | Mississippi | POWERTEL MEMPHIS LICENSES, INC. | WIRELESS PROV | More |
| 667 | 306 | BALTIMORE | Maryland | LEVEL 3 COMMUNICATIONS, LLC - MD | CLEC | More |
| 669 | 306 | SNJS NORTH | California | ONVOY, LLC - CA | | More |
| 678 | 306 | ATLANTA | Georgia | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - GA | CLEC | More |
| 681 | 306 | HNTNGTNZN1 | West Virginia | NEW CINGULAR WIRELESS PCS, LLC - DC | WIRELESS PROV | More |
| 682 | 306 | ARLINGTON | Texas | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 689 | 306 | ORLANDO | Florida | FIVE9, INC. | | More |
| 701 | 306 | ST. CLOUD | Minnesota | AERIAL COMMUNICATIONS, INC. | WIRELESS PROV | More |
| 702 | 306 | LAS VEGAS | Nevada | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NV | WIRELESS PROV | More |
| 703 | 306 | WASZ 8 | Virginia | VERIZON VIRGINIA, INC. | RBOC | More |
| 704 | 306 | CHARLOTTE | North Carolina | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 705 | 306 | Haliburton | Ontario | TELUS Mobility | PCS | More |
| 706 | 306 | AUGUSTA | Georgia | POWERTEL ATLANTA LICENSES, INC. | WIRELESS PROV | More |
| 707 | 306 | ANNAPOLIS | California | PEERLESS NETWORK OF CALIFORNIA, LLC - CA | | More |
| 708 | 306 | SCHAUMBURG | Illinois | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 712 | 306 | BRUNSVILLE | Iowa | ONVOY, LLC - IA | | More |
| 713 | 306 | HOUSTON | Texas | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 714 | 306 | ANAHEIM | California | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 715 | 306 | STANLEY | Wisconsin | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI | WIRELESS PROV | More |
| 716 | 306 | ROCHESTER | New York | IP HORIZON LLC | | More |
| 717 | 306 | LEBANON | Pennsylvania | VERIZON PENNSYLVANIA, INC. | RBOC | More |
| 718 | 306 | NEW YORK | New York | TC SYSTEMS, INC. - NY | CAP | More |
| 719 | 306 | COLORDOSPG | Colorado | ONVOY, LLC - CO | | More |
| 720 | 306 | DENVER SULLIVAN | Colorado | ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM | | More |
| 724 | 306 | PROSPECT | Pennsylvania | CORE COMMUNICATIONS, INC. - PA | | More |
| 725 | 306 | LAS VEGAS | Nevada | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 727 | 306 | CLEARWATER | Florida | BANDWIDTH.COM CLEC, LLC - FL | | More |
| 731 | 306 | DYERSBURG | Tennessee | USA MOBILITY WIRELESS, INC. | WIRELESS PROV | More |
| 732 | 306 | WOODBRIDGE | New Jersey | NEW CINGULAR WIRELESS PCS, LLC - DC | WIRELESS PROV | More |
| 734 | 306 | DETROIT | Michigan | OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC | | More |
| 737 | 306 | HUTTO | Texas | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 740 | 306 | GUYAN | Ohio | FIRST COMMUNICATIONS, LLC - OH | CLEC | More |
| 747 | 306 | GLENDALE | California | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 754 | 306 | DEERFLDBCH | Florida | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 757 | 306 | NFKZ 2 | Virginia | VERIZON VIRGINIA, INC. | RBOC | More |
| 760 | 306 | LOS ANGELES FOCAL | California | LEVEL 3 COMMUNICATIONS, LLC - CA | CLEC | More |
| 762 | 306 | ATHENS | Georgia | TELEPORT COMMUNICATIONS AMERICA, LLC - GA | CLEC | More |
| 763 | 306 | TWINCITIES | Minnesota | AERIAL COMMUNICATIONS, INC. | WIRELESS PROV | More |
| 765 | 306 | LYNN | Indiana | ONVOY, LLC - IN | | More |
| 769 | 306 | VICKSBURG | Mississippi | COMCAST IP PHONE, LLC | | More |
| 770 | 306 | FAIRBURN | Georgia | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 772 | 306 | FORTPIERCE | Florida | ONVOY, LLC - FL | | More |
| 773 | 306 | CHICAGO | Illinois | AT&T - LOCAL | CLEC | More |
| 774 | 306 | MASSACHUSETTS | Massachusetts | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | CLEC | More |
| 775 | 306 | CARSON CITY | Nevada | ONVOY, LLC - NV | | More |
| 779 | 306 | PONTIAC | Illinois | STRATUS NETWORKS | | More |
| 781 | 306 | MALDEN | Massachusetts | VERIZON NEW ENGLAND INC. | RBOC | More |
| 785 | 306 | ST FRANCIS | Kansas | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - KS | WIRELESS PROV | More |
| 786 | 306 | MIAMI | Florida | METROPCS, INC. | | More |
| 787 | 306 | PIOPIEDRAS | Puerto Rico | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 801 | 306 | SALT LAKE CITY | Utah | ONVOY, LLC - UT | | More |
| 802 | 306 | CONCORD | Vermont | ONVOY, LLC - VT | | More |
| 803 | 306 | COLUMBIA | South Carolina | SOUTH CAROLINA NET, INC. - SC | | More |
| 804 | 306 | RICHMOND | Virginia | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | WIRELESS PROV | More |
| 805 | 306 | SIMI VALLEY | California | PACIFIC BELL | RBOC | More |
| 806 | 306 | HARTLEY | Texas | AMA COMM., LLC DBA AMA*TECHTEL COMMUNICATIONS-TX | | More |
| 808 | 306 | HONOLULU (OAHU ISLA | Hawaii | METROPCS, INC. | | More |
| 810 | 306 | WARREN | Michigan | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 812 | 306 | EVANSVILLE | Indiana | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 813 | 306 | TAMPA | Florida | FRONTIER FLORIDA LLC DBA FRONTIER COMM OF FLORIDA | IND. TELCO | More |
| 814 | 306 | ALTOONA | Pennsylvania | TIME WARNER CABLE INFORMATION SVCS (PA), PA | | More |
| 815 | 306 | ELK GROVE | Illinois | LEVEL 3 COMMUNICATIONS, LLC - IL | CLEC | More |
| 816 | 306 | MAYSVILLE | Missouri | CENTURYLINK COMMUNICATIONS, LLC | | More |
| 817 | 306 | FORT WORTH SAGINAW | Texas | SOUTHWESTERN BELL | RBOC | More |
| 818 | 306 | LA CRESCENTA | California | LEVEL 3 COMMUNICATIONS, LLC - CA | CLEC | More |
| 819 | 306 | Maniwaki | Quebec | Videotron General Partnership | CLEC | More |
| 828 | 306 | FRANKLIN | North Carolina | BALSAMWEST FIBERNET, LLC - NC | | More |
| 830 | 306 | DEL RIO | Texas | FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS | IND. TELCO | More |
| 831 | 306 | SALINAS | California | LEVEL 3 COMMUNICATIONS, LLC - CA | CLEC | More |
| 832 | 306 | HOUSTON | Texas | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 843 | 306 | CLIO | South Carolina | LEVEL 3 COMMUNICATIONS, LLC - SC | | More |
| 845 | 306 | NEW YORK | New York | LEVEL 3 COMMUNICATIONS, LLC - NY | CLEC | More |
| 847 | 306 | SCHAUMBURG | Illinois | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 848 | 306 | SOUTHAMBOY | New Jersey | ONVOY, LLC - NJ | | More |
| 850 | 306 | CRESTVIEW | Florida | CENTURYLINK OF FLORIDA, INC. (CENTRAL) | IND. TELCO | More |
| 856 | 306 | BERLIN | New Jersey | CAVALIER TELEPHONE, LLC (MID-ATLANTIC) - NJ | CLEC | More |
| 857 | 306 | BOSTON | Massachusetts | CENTURYLINK COMMUNICATIONS, LLC | | More |
| 858 | 306 | DEL MAR | California | TELNYX LLC | | More |
| 859 | 306 | DANVILLE | Kentucky | VONAGE AMERICA LLC | | More |
| 860 | 306 | HARTFORD | Connecticut | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT | WIRELESS PROV | More |
| 862 | 306 | PASSAIC | New Jersey | METROPCS, INC. | | More |
| 863 | 306 | HAINESCITY | Florida | ONVOY SPECTRUM, LLC | | More |
| 864 | 306 | EASLEY | South Carolina | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 865 | 306 | KNOXVILLE | Tennessee | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN | WIRELESS PROV | More |
| 870 | 306 | HELENA | Arkansas | LEVEL 3 COMMUNICATIONS, LLC - AR | | More |
| 872 | 306 | CHICGOZN09 | Illinois | ONVOY SPECTRUM, LLC | | More |
| 901 | 306 | MOSCOW | Tennessee | BANDWIDTH.COM CLEC, LLC - TN | | More |
| 902 | 306 | Windsor | Nova Scotia | TELUS Mobility | PCS | More |
| 903 | 306 | TEXARKANA | Texas | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 904 | 306 | JACKSONVILLE | Florida | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 905 | 306 | COOKSVILLE | Ontario | Bell Canada | IND. TELCO | More |
| 906 | 306 | PERKINS | Michigan | AT&T CORP. | | More |
| 907 | 306 | FORT RICHARDSON | Alaska | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 908 | 306 | BEDMINSTER | New Jersey | VERIZON NEW JERSEY, INC. | RBOC | More |
| 909 | 306 | VALLE VISTA | California | PEERLESS NETWORK OF CALIFORNIA, LLC - CA | | More |
| 910 | 306 | FAYETTEVILLE MCGILV | North Carolina | CAROLINA TEL AND TEL CO., LLC DBA CENTURYLINK | IND. TELCO | More |
| 912 | 306 | SAVANNAH | Georgia | POWERTEL ATLANTA LICENSES, INC. | WIRELESS PROV | More |
| 913 | 306 | LEAVENWORTH | Kansas | AERIAL COMMUNICATIONS, INC. | WIRELESS PROV | More |
| 914 | 306 | WSCHSTZN08 | New York | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY | WIRELESS PROV | More |
| 915 | 306 | CANUTILLO | Texas | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX | WIRELESS PROV | More |
| 916 | 306 | SOUTH PLACER | California | VONAGE AMERICA LLC | | More |
| 917 | 306 | NEW YORK CITY ZONE | New York | OMNIPOINT COMMUNICATIONS, INC. - NY | WIRELESS PROV | More |
| 918 | 306 | CUSHING | Oklahoma | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OK | | More |
| 919 | 306 | RALEIGH | North Carolina | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC | WIRELESS PROV | More |
| 920 | 306 | BEAVER DAM | Wisconsin | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI | WIRELESS PROV | More |
| 925 | 306 | BISHOP RANCH | California | SONIC TELECOM, LLC - CA | | More |
| 928 | 306 | SHOW LOW | Arizona | SMITH BAGLEY INC. DBA CELLULAR ONE OF NE ARIZONA | WIRELESS PROV | More |
| 929 | 306 | NWYRCYZN11 | New York | OMNIPOINT COMMUNICATIONS, INC. - NY | WIRELESS PROV | More |
| 931 | 306 | HOHENWALD | Tennessee | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN | WIRELESS PROV | More |
| 936 | 306 | NAVASOTA | Texas | ONVOY, LLC - TX | | More |
| 937 | 306 | DAYTON | Ohio | WINDSTREAM NUVOX OHIO, LLC | | More |
| 939 | 306 | BAYAMONNOR | Puerto Rico | PUERTO RICO TELCO DBA CLARO PUERTO RICO | WIRELESS PROV | More |
| 940 | 306 | TIOGA | Texas | ONVOY, LLC - TX | | More |
| 941 | 306 | TAMPA | Florida | BUSINESS TELECOM, INC. DBA BTI - FL | CLEC | More |
| 945 | 306 | GRANDPRARI | Texas | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 949 | 306 | IRVINE | California | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 951 | 306 | HEMT HEMT | California | FRONTIER CALIFORNIA INC. | IND. TELCO | More |
| 954 | 306 | FORT LAUDERDALE | Florida | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 956 | 306 | EDCOUCH | Texas | ONVOY, LLC - TX | | More |
| 970 | 306 | DENVER | Colorado | LEVEL 3 COMMUNICATIONS, LLC - CO | CLEC | More |
| 971 | 306 | ROCKAWAY | Oregon | CHARTER FIBERLINK OR-CCVII, LLC - OR | | More |
| 972 | 306 | CARROLLTON | Texas | FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS | IND. TELCO | More |
| 973 | 306 | DOVER | New Jersey | LEVEL 3 COMMUNICATIONS, LLC - NJ | CLEC | More |
| 978 | 306 | SALEM | Massachusetts | CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC | CLEC | More |
| 979 | 306 | HOSTYN | Texas | TEXAS COMMUNICATIONS, INC. | WIRELESS PROV | More |
| 980 | 306 | HUNTERSVL | North Carolina | METROPCS, INC. | | More |
| 984 | 306 | CARY | North Carolina | NUSO, LLC | | More |
| 985 | 306 | NEW ORLEANS | Louisiana | COMCAST IP PHONE, LLC | | More |
| 989 | 306 | ONAWAY | Michigan | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI | WIRELESS PROV | More |
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