Area Code | Prefix | City/Switch Name (Click for city search) | State/Prov. Area Map | Telephone Company Web link | Telco Type | More Info |
|---|
| 201 | 520 | UNION CITY | New Jersey | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NJ | CLEC | More |
| 202 | 520 | WSHNGTNZN1 | District of Columbia | METROPCS, INC. | | More |
| 203 | 520 | BRIDGEPORT | Connecticut | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT | WIRELESS PROV | More |
| 204 | 520 | Brandon | Manitoba | TELUS Integrated Communications | CLEC | More |
| 205 | 520 | BIRMINGHAM | Alabama | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | RBOC | More |
| 206 | 520 | SEATTLE | Washington | QWEST CORPORATION | RBOC | More |
| 207 | 520 | LEWISTON | Maine | BELL ATLANTIC MOBILE, INC | WIRELESS PROV | More |
| 208 | 520 | IDAHOFALLS | Idaho | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - ID | WIRELESS PROV | More |
| 209 | 520 | MODESTO | California | AMERICAN MESSAGING SERVICES, LLC | | More |
| 210 | 520 | SANANTONIO | Texas | SOUTHWESTERN BELL | RBOC | More |
| 212 | 520 | NWYRCYZN01 | New York | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | CLEC | More |
| 213 | 520 | | California | PACIFIC BELL | RBOC | More |
| 214 | 520 | DALLAS | Texas | SOUTHWESTERN BELL | RBOC | More |
| 215 | 520 | PHLDLPHZN1 | Pennsylvania | VERIZON PENNSYLVANIA, INC. | RBOC | More |
| 216 | 520 | INDEPNDNCE | Ohio | OHIO BELL TEL CO | RBOC | More |
| 217 | 520 | DECATUR | Illinois | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 218 | 520 | DULUTH | Minnesota | ONVOY, LLC - MN | | More |
| 224 | 520 | ROSELLE | Illinois | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 225 | 520 | NO CORNOR | Louisiana | ONVOY SPECTRUM, LLC | | More |
| 226 | 520 | Forest | Ontario | Execulink Telecom Inc. | IND. TELCO | More |
| 229 | 520 | TIFTON | Georgia | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - GA | CLEC | More |
| 231 | 520 | CHARLEVOIX | Michigan | 123.NET, INC. | CLEC | More |
| 240 | 520 | HAGERSTOWN | Maryland | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | WIRELESS PROV | More |
| 248 | 520 | PONTIAC | Michigan | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI | WIRELESS PROV | More |
| 250 | 520 | Kimberley | British Columbia | Rogers Communications Partnership (Wireless) | WIRELESS PROV | More |
| 251 | 520 | MOBILE | Alabama | COMMIO, LLC | | More |
| 252 | 520 | KINSTON | North Carolina | CAROLINA TEL AND TEL CO., LLC DBA CENTURYLINK | IND. TELCO | More |
| 253 | 520 | KENT | Washington | QWEST CORPORATION | RBOC | More |
| 254 | 520 | KILLEEN | Texas | CENTRAL TEL. CO. OF TEXAS DBA CENTURYLINK | IND. TELCO | More |
| 256 | 520 | HUNTSVILLE | Alabama | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 267 | 520 | PHPHSBZN41 | Pennsylvania | LEVEL 3 COMMUNICATIONS, LLC - PA | CLEC | More |
| 269 | 520 | SCOTTS | Michigan | ONVOY, LLCV - MI | | More |
| 270 | 520 | GRACEY | Kentucky | LEVEL 3 COMMUNICATIONS, LLC - KY | CLEC | More |
| 281 | 520 | HOUSTON | Texas | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX | WIRELESS PROV | More |
| 301 | 520 | WSHNGTNZN3 | Maryland | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | WIRELESS PROV | More |
| 302 | 520 | DELAWARECY | Delaware | XO DELAWARE, INC. | CLEC | More |
| 303 | 520 | DENVER | Colorado | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 304 | 520 | LEWISBURG | West Virginia | CEBRIDGE TELECOM WV, LLC DBA SUDDENLINK COMMS - WV | | More |
| 305 | 520 | MIAMI | Florida | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 306 | 520 | Regina | Saskatchewan | SaskTel Mobility | | More |
| 307 | 520 | MEDICINBOW | Wyoming | UNION TELEPHONE COMPANY | | More |
| 308 | 520 | NO PLATTE | Nebraska | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NE | | More |
| 309 | 520 | ROCKISLAND | Illinois | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 310 | 520 | | California | PACIFIC BELL | RBOC | More |
| 312 | 520 | CHICGOZN01 | Illinois | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | WIRELESS PROV | More |
| 313 | 520 | DETROITZN5 | Michigan | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 314 | 520 | KIRKWOOD | Missouri | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 315 | 520 | UTICA | New York | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY | WIRELESS PROV | More |
| 316 | 520 | WICHITA | Kansas | AT&T WIRELESS SERVICES | WIRELESS PROV | More |
| 317 | 520 | INDIANAPOLIS | Indiana | LEVEL 3 COMMUNICATIONS, LLC - IN | CLEC | More |
| 318 | 520 | CASTOR | Louisiana | CP-TEL NETWORK SERVICES, INC. - LA | | More |
| 319 | 520 | KEOKUK | Iowa | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | WIRELESS PROV | More |
| 323 | 520 | LSAN DA 14 | California | PACIFIC BELL | RBOC | More |
| 325 | 520 | NOLAN | Texas | TEXAS COMMUNICATIONS, INC. | WIRELESS PROV | More |
| 330 | 520 | MARSHALLVL | Ohio | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH | CLEC | More |
| 334 | 520 | PHENIXCITY | Georgia | SOUTHERN COMMUNICATIONS SERVICES, INC. | WIRELESS PROV | More |
| 336 | 520 | REIDSVILLE | North Carolina | TELEPORT COMMUNICATIONS AMERICA, LLC - NC | CLEC | More |
| 337 | 520 | CARENCRO | Louisiana | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 346 | 520 | HOUSTON | Texas | CALLWORKS CORPORATION | | More |
| 347 | 520 | NEW YORK | New York | METROPCS, INC. | | More |
| 352 | 520 | OCKLAWAHA | Florida | DELTACOM, INC. - FL | CLEC | More |
| 360 | 520 | CHEHALIS | Washington | UNITED STATES CELLULAR - WA | WIRELESS PROV | More |
| 361 | 520 | CALALLEN | Texas | U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS | | More |
| 385 | 520 | SALT LAKE | Utah | NUSO, LLC | | More |
| 401 | 520 | PROVIDENCE | Rhode Island | PREFERRED NETWORKS, INC. | WIRELESS PROV | More |
| 402 | 520 | BEATRICE | Nebraska | UNITED STATES CELLULAR - NE | WIRELESS PROV | More |
| 403 | 520 | CALGARY | Alberta | TELUS | IND. TELCO | More |
| 404 | 520 | ATLANTA | Georgia | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - GA | WIRELESS PROV | More |
| 405 | 520 | OKLA CITY | Oklahoma | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 406 | 520 | ABSAROKEE | Montana | HD CARRIER LLC | | More |
| 407 | 520 | KISSIMMEE | Florida | AERIAL COMMUNICATIONS, INC. | WIRELESS PROV | More |
| 408 | 520 | SNJS NORTH | California | ONVOY, LLC - CA | | More |
| 410 | 520 | OCEAN CITY | Maryland | VERIZON MARYLAND, INC. | RBOC | More |
| 412 | 520 | PTTSBGZON7 | Pennsylvania | VERIZON PENNSYLVANIA, INC. | RBOC | More |
| 413 | 520 | EAST LONGMEADOW | Massachusetts | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | WIRELESS PROV | More |
| 414 | 520 | MILWAUKZN1 | Wisconsin | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 415 | 520 | SNFC CNTRL | California | ONVOY, LLC - CA | | More |
| 416 | 520 | TORONTO | Ontario | Rogers Communications Partnership (Wireless) | WIRELESS PROV | More |
| 417 | 520 | SPRINGFLD | Missouri | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO | CLEC | More |
| 418 | 520 | QUEBEC | Quebec | TELUS Mobility | CAP | More |
| 419 | 520 | MANSFIELD | Ohio | UNITED TEL. CO. OF OHIO DBA CENTURYLINK | IND. TELCO | More |
| 423 | 520 | MADISONVL | Tennessee | US LEC OF TENNESSEE, INC. | CLEC | More |
| 424 | 520 | | California | PACIFIC BELL | RBOC | More |
| 425 | 520 | BELLEVUE | Washington | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 432 | 520 | MIDLAND | Texas | SOUTHWESTERN BELL | RBOC | More |
| 440 | 520 | WILLOUGHBY | Ohio | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 443 | 520 | CATONSVL | Maryland | NEW CINGULAR WIRELESS PCS, LLC - DC | WIRELESS PROV | More |
| 450 | 520 | St-Chrysostome | Quebec | ISP Telecom | CLEC | More |
| 469 | 520 | GRANDPRARI | Texas | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX | WIRELESS PROV | More |
| 470 | 520 | ATLANTA | Georgia | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - GA | CLEC | More |
| 479 | 520 | BENTONVL | Arkansas | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 480 | 520 | PHOENIX | Arizona | ONVOY, LLC - AZ | | More |
| 484 | 520 | BIRDSBORO | Pennsylvania | TON80 COMMUNICATIONS, LLC | | More |
| 501 | 520 | HOTSPRINGS | Arkansas | SOUTHWESTERN BELL | RBOC | More |
| 502 | 520 | SHELBYVL | Kentucky | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - KY | WIRELESS PROV | More |
| 503 | 520 | BEAVERTON | Oregon | ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER | IND. TELCO | More |
| 504 | 520 | NEWORLEANS | Louisiana | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 505 | 520 | ALBUQURQUE | New Mexico | TELNYX LLC | | More |
| 506 | 520 | Belledune | New Brunswick | Aliant Telecom (Mobility) | | More |
| 507 | 520 | BLUE EARTH | Minnesota | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 508 | 520 | FRANKLIN | Massachusetts | VERIZON NEW ENGLAND INC. | RBOC | More |
| 509 | 520 | WALLAWALLA | Washington | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA | | More |
| 510 | 520 | OKLD MN-PD | California | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 512 | 520 | MILANO | Texas | TIME WARNER CBLE INFO SVC (TX) DBA TIME WARNER CBL | | More |
| 513 | 520 | CINCINNATI | Ohio | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH | WIRELESS PROV | More |
| 514 | 520 | MONTREAL | Quebec | Bell Canada | IND. TELCO | More |
| 515 | 520 | AMES | Iowa | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | WIRELESS PROV | More |
| 516 | 520 | NASSAUZN08 | New York | VERIZON NEW YORK, INC. | RBOC | More |
| 517 | 520 | MOUNT PLEASANT | Michigan | CENTENNIAL MICHIANA LICENSE COMPANY LLC | WIRELESS PROV | More |
| 518 | 520 | PALENVILLE | New York | BANDWIDTH.COM CLEC, LLC - NY | | More |
| 519 | 520 | LONDON | Ontario | TELUS Mobility | PCS | More |
| 520 | 520 | NOGALES | Arizona | ONVOY, LLC - AZ | | More |
| 530 | 520 | CHICO | California | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | WIRELESS PROV | More |
| 540 | 520 | ROANOKE | Virginia | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA | WIRELESS PROV | More |
| 541 | 520 | EUGENE | Oregon | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR | | More |
| 559 | 520 | BURREL | California | ONVOY, LLC - CA | | More |
| 561 | 520 | BOCA RATON | Florida | LEVEL 3 TELECOM OF FLORIDA, LP - FL | CLEC | More |
| 562 | 520 | | California | PACIFIC BELL | RBOC | More |
| 570 | 520 | BERWICK | Pennsylvania | BANDWIDTH.COM CLEC, LLC - PA | | More |
| 571 | 520 | HERNDON | Virginia | ONVOY, LLC - VA | | More |
| 573 | 520 | RUSSELLVL | Missouri | LEVEL 3 COMMUNICATIONS, LLC - MO | CLEC | More |
| 574 | 520 | SOUTH BEND | Indiana | AT&T CORP. | | More |
| 575 | 520 | LAS CRUCES | New Mexico | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 580 | 520 | EVA | Oklahoma | PANHANDLE TELECOMMUNICATIONS SYSTEMS, INC. | | More |
| 585 | 520 | ROCHESTER | New York | NEW CINGULAR WIRELESS PCS, LLC - DC | WIRELESS PROV | More |
| 587 | 520 | Edmonton | Alberta | Shaw Telecom Inc. | | More |
| 601 | 520 | HATTIESBG | Mississippi | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MS | WIRELESS PROV | More |
| 603 | 520 | LACONIA | New Hampshire | BELL ATLANTIC MOBILE, INC | WIRELESS PROV | More |
| 604 | 520 | NEW WESTMINISTER | British Columbia | TELUS | IND. TELCO | More |
| 605 | 520 | WATERTOWN | South Dakota | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 608 | 520 | MADISON | Wisconsin | BANDWIDTH.COM CLEC, LLC - WI | | More |
| 609 | 520 | PRINCETON | New Jersey | VERIZON NEW JERSEY, INC. | RBOC | More |
| 610 | 520 | PHPHSBZN25 | Pennsylvania | VERIZON PENNSYLVANIA, INC. | RBOC | More |
| 612 | 520 | TWINCITIES | Minnesota | QWEST CORPORATION | RBOC | More |
| 613 | 520 | OTTAWA | Ontario | Bell Canada | IND. TELCO | More |
| 614 | 520 | COLUMBUS | Ohio | AMERICAN MESSAGING SERVICES, LLC | | More |
| 615 | 520 | NASHVILLE | Tennessee | USA MOBILITY WIRELESS, INC. | WIRELESS PROV | More |
| 616 | 520 | SPARTA | Michigan | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI | CAP | More |
| 617 | 520 | CAMBRIDGE | Massachusetts | VERIZON NEW ENGLAND INC. | RBOC | More |
| 618 | 520 | COLLINSVL | Missouri | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 619 | 520 | SNDG SNDG | California | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 620 | 520 | KINCAID | Kansas | ONVOY, LLC - KS | | More |
| 626 | 520 | | California | PACIFIC BELL | RBOC | More |
| 630 | 520 | W CHICAGO | Illinois | TELEPORT COMMUNICATIONS AMERICA, LLC - IL | CAP | More |
| 631 | 520 | NYCZ1 | New York | GLOBAL CROSSING LOCAL SERVICES, INC. - NY | CAP | More |
| 636 | 520 | ST LOUIS | Missouri | AT&T - LOCAL - MO | CLEC | More |
| 646 | 520 | NWYRCYZN02 | New York | OMNIPOINT COMMUNICATIONS, INC. - NY | WIRELESS PROV | More |
| 647 | 520 | Toronto | Ontario | Bell Mobility | WIRELESS PROV | More |
| 650 | 520 | BRISBANE | California | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 657 | 520 | SANTA ANA | California | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 661 | 520 | BKFD MAIN | California | PEERLESS NETWORK OF CALIFORNIA, LLC - CA | | More |
| 662 | 520 | GRENADA | Mississippi | CENTURYLINK COMMUNICATIONS LLC - MS | CLEC | More |
| 678 | 520 | ATLANTA | Georgia | METROPCS, INC. | | More |
| 681 | 520 | HNTNGTNZN1 | West Virginia | NEW CINGULAR WIRELESS PCS, LLC - DC | WIRELESS PROV | More |
| 701 | 520 | ST THOMAS | North Dakota | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - ND | WIRELESS PROV | More |
| 702 | 520 | LAS VEGAS | Nevada | 33 WIRELESS INC. | WIRELESS PROV | More |
| 703 | 520 | BRADDOCK | Virginia | LEVEL 3 COMMUNICATIONS, LLC - VA | CLEC | More |
| 704 | 520 | CHARLOTTE | North Carolina | ONVOY, LLC - NC | | More |
| 705 | 520 | Creemore | Ontario | Rogers Communications Partnership (Cable) | | More |
| 706 | 520 | CALHOUN | Georgia | WINDSTREAM GEORGIA, INC. | IND. TELCO | More |
| 707 | 520 | MONTE RIO | California | ONVOY, LLC - CA | | More |
| 708 | 520 | OAK LAWN | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 709 | 520 | Glovertown | Newfoundland | Bragg Communications Inc. | CLEC | More |
| 712 | 520 | GLENWOOD | Iowa | UNITED STATES CELLULAR - IA | WIRELESS PROV | More |
| 713 | 520 | HOUSTON JACKSON | Texas | SOUTHWESTERN BELL | RBOC | More |
| 714 | 520 | ANAHEIM | California | PACIFIC BELL | RBOC | More |
| 715 | 520 | SPOONER | Wisconsin | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 716 | 520 | ROCHESTER | New York | PEERING HUB, INC. - NY | | More |
| 717 | 520 | HERSHEY | Pennsylvania | VERIZON NORTH, INC. - PA (CONTEL) | IND. TELCO | More |
| 718 | 520 | NYCZ 10 | New York | VERIZON NEW YORK, INC. | RBOC | More |
| 719 | 520 | COLORADO SPRINGS | Colorado | QWEST CORPORATION | RBOC | More |
| 720 | 520 | DENVER | Colorado | ONVOY SPECTRUM, LLC | | More |
| 724 | 520 | LATROBE | Pennsylvania | VERIZON PENNSYLVANIA, INC. | RBOC | More |
| 727 | 520 | SAINT PETERSBURG | Florida | FRONTIER FLORIDA LLC DBA FRONTIER COMM OF FLORIDA | IND. TELCO | More |
| 731 | 520 | HENDERSON | Tennessee | AENEAS COMMUNICATIONS, LLC - TN | | More |
| 732 | 520 | NEW BRUNSWICK | New Jersey | TELEPORT COMMUNICATIONS AMERICA, LLC - NJ | CAP | More |
| 734 | 520 | IDA | Michigan | TELNET WORLDWIDE, INC. | CLEC | More |
| 737 | 520 | FENTRESS | Texas | ONVOY, LLC - TX | | More |
| 740 | 520 | CENTERVL | Ohio | BANDWIDTH.COM CLEC, LLC - OH | | More |
| 757 | 520 | NRFOLKZON1 | Virginia | ONVOY, LLC - VA | | More |
| 760 | 520 | SAN DIEGO | California | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA | CLEC | More |
| 763 | 520 | MNPZ 1 | Minnesota | QWEST CORPORATION | RBOC | More |
| 765 | 520 | NEW CASTLE | Indiana | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 770 | 520 | TUCKER | Georgia | ONVOY SPECTRUM, LLC | | More |
| 773 | 520 | CHICAGO | Illinois | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | WIRELESS PROV | More |
| 774 | 520 | FALL RIVER | Massachusetts | ONVOY, LLC - MA | | More |
| 775 | 520 | CRESCNTVLY | Nevada | ONVOY SPECTRUM, LLC | | More |
| 778 | 520 | Cranbrook | British Columbia | Shaw Telecom Inc. | | More |
| 780 | 520 | Lac La Biche | Alberta | TELUS Mobility | WIRELESS PROV | More |
| 781 | 520 | CAMBRIDGE | Massachusetts | OMNIPOINT MIAMI E LICENSE, LLC | PCS | More |
| 785 | 520 | ELLIS | Kansas | IDEATEK TELCOM, LLC - KS | | More |
| 786 | 520 | NORTH DADE | Florida | LEVEL 3 COMMUNICATIONS, LLC - FL | CLEC | More |
| 787 | 520 | SANTURCE | Puerto Rico | LIBERTY MOBILE PUERTO RICO INC. | CLEC | More |
| 801 | 520 | SALT LAKE CITY | Utah | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT | WIRELESS PROV | More |
| 802 | 520 | ALBURG | Vermont | ONVOY, LLC - VT | | More |
| 803 | 520 | LEXINGTON | South Carolina | WINDSTREAM NUVOX, INC. | CLEC | More |
| 804 | 520 | PETERSBURG | Virginia | VERIZON VIRGINIA, INC. | RBOC | More |
| 805 | 520 | SIMI VALLEY | California | PACIFIC BELL | RBOC | More |
| 806 | 520 | SMYER | Texas | VEXUS | CLEC | More |
| 808 | 520 | PAPAKOLEA | Hawaii | SANDWICH ISLES COMMUNICATIONS, INC. | IND. TELCO | More |
| 810 | 520 | XXXXXXXXXX | Michigan | MICHIGAN BELL TEL CO | RBOC | More |
| 812 | 520 | EVANSVILLE | Indiana | WINDSTREAM NORLIGHT, INC. - IN | CLEC | More |
| 813 | 520 | TAMPACEN | Florida | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - FL | WIRELESS PROV | More |
| 814 | 520 | ERIE | Pennsylvania | CORE COMMUNICATIONS, INC. - PA | | More |
| 815 | 520 | ROCKFORD | Illinois | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | WIRELESS PROV | More |
| 816 | 520 | KANSAS CITY | Missouri | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO | | More |
| 817 | 520 | FORT WORTH | Texas | LOGIX COMMUNICATIONS CORPORATION - TX | CLEC | More |
| 818 | 520 | LOS ANGELES | California | PACIFIC BELL | RBOC | More |
| 819 | 520 | La Sarre | Quebec | TELUS Mobility | PCS | More |
| 828 | 520 | ARDEN | North Carolina | CHARTER FIBERLINK NC-CCO, LLC - NC | | More |
| 831 | 520 | MONTEREY | California | AMERICAN MESSAGING SERVICES, LLC | WIRELESS PROV | More |
| 832 | 520 | RICHMNRNBG | Texas | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 843 | 520 | GEORGETOWN | South Carolina | FRONTIER COMMUNICATIONS OF THE CAROLINAS INC. - SC | IND. TELCO | More |
| 845 | 520 | CARMEL | New York | LEVEL 3 COMMUNICATIONS, LLC - NY | CLEC | More |
| 847 | 520 | WHEELING | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 850 | 520 | DFUNIAKSPG | Florida | BRIGHT HOUSE NTWS INFORMATION SVCS (FLORIDA) - FL | | More |
| 856 | 520 | HADDONFIELD | New Jersey | OMNIPOINT COMMUNICATIONS ENTERPRISES, LP | WIRELESS PROV | More |
| 857 | 520 | HYDE PARK | Massachusetts | ONVOY, LLC - MA | | More |
| 859 | 520 | MTSTERLING | Kentucky | WINDSTREAM NORLIGHT, INC. - KY | | More |
| 860 | 520 | HARTFORD | Connecticut | SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT | IND. TELCO | More |
| 862 | 520 | ORANGE | New Jersey | LEVEL 3 COMMUNICATIONS, LLC - NJ | CLEC | More |
| 864 | 520 | GREENVILLE | South Carolina | CHARTER FIBERLINK SC-CCO, LLC - SC | | More |
| 870 | 520 | JONESBORO | Arkansas | TCA COMMUNICATIONS, LLC DBA SUDDENLINK COMM - AR | | More |
| 901 | 520 | MILLINGTON | Tennessee | E RITTER COMMUNICATIONS, INC. - TN | | More |
| 902 | 520 | Halifax | Nova Scotia | Aliant Telecom (NS) | IND. TELCO | More |
| 903 | 520 | TYLER | Texas | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 904 | 520 | JACKSONVL | Florida | METROPCS, INC. | | More |
| 905 | 520 | HAMILTON | Ontario | Bell Canada | IND. TELCO | More |
| 907 | 520 | CENTRAL | Alaska | UNITED UTILITIES, INC. | IND. TELCO | More |
| 908 | 520 | HACKETTSTOWN | New Jersey | LEVEL 3 COMMUNICATIONS, LLC - NJ | CLEC | More |
| 909 | 520 | CORONA | California | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 910 | 520 | WILMINGTON | North Carolina | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC | WIRELESS PROV | More |
| 912 | 520 | HOMERVILLE | Georgia | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - GA | WIRELESS PROV | More |
| 914 | 520 | MOUNT VERNON (WESTC | New York | OMNIPOINT COMMUNICATIONS, INC. - NY | WIRELESS PROV | More |
| 915 | 520 | MIDLAND OXFORD | Texas | SOUTHWESTERN BELL | RBOC | More |
| 916 | 520 | SCRM MAIN | California | ONVOY, LLC - CA | | More |
| 917 | 520 | NEW YORK CITY ZONE | New York | NEW CINGULAR WIRELESS PCS, LLC - DC | WIRELESS PROV | More |
| 918 | 520 | TULSA | Oklahoma | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 919 | 520 | RALEIGH | North Carolina | SUNCOM DBA T-MOBILE USA | PCS | More |
| 920 | 520 | FOX LAKE | Wisconsin | CHARTER FIBERLINK, LLC - WI | | More |
| 925 | 520 | PLEASANTON | California | PACIFIC BELL | RBOC | More |
| 929 | 520 | NWYRCYZN09 | New York | BANDWIDTH.COM CLEC, LLC - NY | | More |
| 931 | 520 | COOKEVILLE | Tennessee | CITIZENS COMM CO TN DBA FRONTIER COMM OF TN, LLC | IND. TELCO | More |
| 936 | 520 | CONROE | Texas | CONSOLIDATED COMMUNICATIONS OF TEXAS COMPANY | IND. TELCO | More |
| 937 | 520 | DAYTON | Ohio | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 947 | 520 | ROYAL OAK | Michigan | TELEPORT COMMUNICATIONS AMERICA, LLC - MI | | More |
| 949 | 520 | NEWPORTBCH | California | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | WIRELESS PROV | More |
| 951 | 520 | CORONA | California | PACIFIC BELL | RBOC | More |
| 952 | 520 | TWINCITIES | Minnesota | ONVOY, LLC - MN | | More |
| 954 | 520 | DEERFIELD BEACH | Florida | METROPCS, INC. | | More |
| 956 | 520 | WESLACO | Texas | STPCS JOINT VENTURE, LLC | PCS | More |
| 970 | 520 | STERLING | Colorado | N.E. COLORADO CELLULAR, INC. | WIRELESS PROV | More |
| 972 | 520 | IRVING | Texas | TELEPORT COMMUNICATIONS AMERICA, LLC - TX | CAP | More |
| 973 | 520 | MADISON | New Jersey | MONMOUTH TELEPHONE AND TELEGRAPH, INC. - NJ | | More |
| 978 | 520 | WILMINGTON | Massachusetts | CTC COMMUNICATIONS CORP. - MA | | More |
| 984 | 520 | GOLDSBORO | North Carolina | CSC WIRELESS, LLC | | More |
| 985 | 520 | NEW ORLEANS | Louisiana | LEVEL 3 COMMUNICATIONS, LLC - LA | | More |
| 989 | 520 | MOUNT PLEASANT | Michigan | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
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