Area Code | Prefix | City/Switch Name (Click for city search) | State/Prov. Area Map | Telephone Company Web link | Telco Type | More Info |
|---|
| 201 | 553 | UNION CITY | New Jersey | VERIZON NEW JERSEY, INC. | RBOC | More |
| 202 | 553 | WSHNGTNZN1 | District of Columbia | METROPCS, INC. | | More |
| 203 | 553 | NEW HAVEN | Connecticut | SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT | IND. TELCO | More |
| 204 | 553 | PUKATAWAGON | Manitoba | MTS Inc. | IND. TELCO | More |
| 205 | 553 | TUSCALOOSA | Alabama | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | RBOC | More |
| 206 | 553 | SEATTLE | Washington | QWEST CORPORATION | RBOC | More |
| 207 | 553 | PORTLAND | Maine | MID-MAINE TELPLUS DBA MID-MAINE COMMUNICATIONS | CLEC | More |
| 208 | 553 | LEWISTON | Idaho | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - ID | WIRELESS PROV | More |
| 209 | 553 | THORNTON | California | ONVOY, LLC - CA | | More |
| 210 | 553 | SANANTONIO | Texas | USA MOBILITY WIRELESS, INC. | WIRELESS PROV | More |
| 212 | 553 | NWYRCYZN01 | New York | VERIZON NEW YORK, INC. | RBOC | More |
| 213 | 553 | LSAN DA 01 | California | PACIFIC BELL | RBOC | More |
| 214 | 553 | DALLAS | Texas | SOUTHWESTERN BELL | RBOC | More |
| 215 | 553 | PHLDLPHZN1 | Pennsylvania | VERIZON PENNSYLVANIA, INC. | RBOC | More |
| 216 | 553 | CLEVELAND | Ohio | TELEPORT COMMUNICATIONS AMERICA, LLC - OH | CLEC | More |
| 217 | 553 | SPRINGFLD | Illinois | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 218 | 553 | BLACKDUCK | Minnesota | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MN | | More |
| 224 | 553 | ELK GROVE | Illinois | COMMIO, LLC | | More |
| 229 | 553 | BAINBRIDGE | Georgia | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 240 | 553 | WSNG236Z13 | District of Columbia | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | CLEC | More |
| 248 | 553 | FARMINGTON | Michigan | MICHIGAN BELL TEL CO | RBOC | More |
| 250 | 553 | LOOS | British Columbia | TELUS | IND. TELCO | More |
| 251 | 553 | IRNGTNSTEL | Alabama | ONVOY, LLC - AL | | More |
| 252 | 553 | MANTEO | North Carolina | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC | WIRELESS PROV | More |
| 253 | 553 | AUBURN | Washington | ONVOY, LLC - WA | | More |
| 254 | 553 | FORT HOOD | Texas | CENTRAL TEL. CO. OF TEXAS DBA CENTURYLINK | IND. TELCO | More |
| 256 | 553 | GADSDEN | Alabama | METROPCS, INC. | | More |
| 260 | 553 | GARRETT | Indiana | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 262 | 553 | PARKSIDE | Wisconsin | WISCONSIN BELL INC | RBOC | More |
| 267 | 553 | PHPHSBZN42 | Pennsylvania | BANDWIDTH.COM CLEC, LLC - PA | | More |
| 269 | 553 | KALAMAZOO | Michigan | MICHIGAN BELL TEL CO | RBOC | More |
| 270 | 553 | BARDWELL | Kentucky | WINDSTREAM KENTUCKY EAST, INC. - LONDON | | More |
| 281 | 553 | BAMMEL | Texas | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX | CLEC | More |
| 289 | 553 | Maple | Ontario | Rogers Communications Partnership (Cable) | | More |
| 301 | 553 | WALDORF | District of Columbia | USA MOBILITY WIRELESS, INC. | WIRELESS PROV | More |
| 302 | 553 | WILMINGTON | Delaware | OMNIPOINT COMMUNICATIONS ENTERPRISES, LP | WIRELESS PROV | More |
| 303 | 553 | DENVER | Colorado | USA MOBILITY WIRELESS, INC. | WIRELESS PROV | More |
| 304 | 553 | CHRLSTNZN1 | West Virginia | LEVEL 3 COMMUNICATIONS, LLC - WV | | More |
| 305 | 553 | MIAMI | Florida | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 306 | 553 | NEIDPATH | Saskatchewan | SaskTel | IND. TELCO | More |
| 309 | 553 | MOLINE | Illinois | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 310 | 553 | BEVERLYHLS | California | PACIFIC BELL | RBOC | More |
| 312 | 553 | CHICGOZN01 | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 313 | 553 | DETROITZN1 | Michigan | MICHIGAN BELL TEL CO | RBOC | More |
| 314 | 553 | ST LOUIS | Missouri | SOUTHWESTERN BELL | RBOC | More |
| 315 | 553 | SODUS | New York | TIME WARNER CABLE INFO SVCE (NEW YORK) LLC-NY | | More |
| 316 | 553 | GODDARD | Kansas | METROPCS, INC. | | More |
| 317 | 553 | INDIANAPLS | Indiana | AMERICAN MESSAGING SERVICES, LLC | | More |
| 318 | 553 | FTNECESSTY | Louisiana | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - LA | WIRELESS PROV | More |
| 319 | 553 | CEDARFALLS | Iowa | MCLEODUSA TELECOMMUNICATION SERVICES, INC. - IA | CLEC | More |
| 323 | 553 | LOS ANGELES: DA 04 | California | BANDWIDTH.COM CLEC, LLC - CA | | More |
| 330 | 553 | WARREN | Ohio | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 334 | 553 | SELMA | Alabama | METROPCS, INC. | | More |
| 336 | 553 | GREENSBORO | North Carolina | DELTACOM, INC. - NC | CLEC | More |
| 337 | 553 | LAFAYETTE | Louisiana | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - LA | WIRELESS PROV | More |
| 346 | 553 | HOUSTON | Texas | ONVOY, LLC - TX | | More |
| 347 | 553 | NWYRCYZN10 | New York | OMNIPOINT COMMUNICATIONS, INC. - NY | WIRELESS PROV | More |
| 352 | 553 | BELLEVIEW | Florida | METROPCS, INC. | | More |
| 360 | 553 | SEATTLE | Washington | ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM | CLEC | More |
| 361 | 553 | PORTLAVACA | Texas | FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS | IND. TELCO | More |
| 385 | 553 | MORGAN | Utah | ONVOY, LLC - UT | | More |
| 401 | 553 | PROVIDENCE | Rhode Island | VERIZON NEW ENGLAND INC. | RBOC | More |
| 402 | 553 | OMAHA | Nebraska | QWEST CORPORATION | RBOC | More |
| 403 | 553 | FORT MACLEOD | Alberta | TELUS | IND. TELCO | More |
| 404 | 553 | ATLANTA | Georgia | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 405 | 553 | OKLA CITY | Oklahoma | SOUTHWESTERN BELL | RBOC | More |
| 406 | 553 | GREAT FALLS | Montana | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 407 | 553 | APOPKA | Florida | TELEPORT COMMUNICATIONS AMERICA, LLC - FL | CLEC | More |
| 408 | 553 | SNJS WEST | California | PACIFIC BELL | RBOC | More |
| 409 | 553 | VIDOR | Texas | METROPCS, INC. | | More |
| 410 | 553 | GLENBURNIE | Maryland | VERIZON MARYLAND, INC. | RBOC | More |
| 412 | 553 | PTTSBGZON1 | Pennsylvania | VERIZON PENNSYLVANIA, INC. | RBOC | More |
| 413 | 553 | PITTSFIELD | Massachusetts | PAETEC COMMUNICATIONS, INC. - MA | CLEC | More |
| 414 | 553 | MILWAUKZN1 | Wisconsin | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 415 | 553 | SNFC CNTRL | California | PACIFIC BELL | RBOC | More |
| 416 | 553 | TORONTO | Ontario | Bell Mobility | WIRELESS PROV | More |
| 417 | 553 | JOPLIN | Missouri | LEVEL 3 COMMUNICATIONS, LLC - MO | CLEC | More |
| 418 | 553 | Havre-Saint-Pierre | Quebec | TELUS Mobility | PCS | More |
| 419 | 553 | BRYAN | Ohio | OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC | | More |
| 423 | 553 | CHATTNOOGA | Tennessee | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | RBOC | More |
| 425 | 553 | KIRKLAND | Washington | COMCAST IP PHONE, LLC | | More |
| 432 | 553 | TERMINAL | Texas | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 435 | 553 | BRIGHAM CY | Utah | LEVEL 3 COMMUNICATIONS, LLC - UT | | More |
| 440 | 553 | WILLOUGHBY | Ohio | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH | WIRELESS PROV | More |
| 443 | 553 | ELKTON | Maryland | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | WIRELESS PROV | More |
| 450 | 553 | St-Jerome | Quebec | Videotron General Partnership | CLEC | More |
| 469 | 553 | CARROLLTON | Texas | BANDWIDTH.COM CLEC, LLC - TX | | More |
| 470 | 553 | ATLANTA | Georgia | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - GA | WIRELESS PROV | More |
| 478 | 553 | SANDERSVL | Georgia | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 479 | 553 | BENTONVL | Arkansas | SOUTHWESTERN BELL | RBOC | More |
| 480 | 553 | PHOENIX | Arizona | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 484 | 553 | ALLENTOWN | Pennsylvania | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA | WIRELESS PROV | More |
| 501 | 553 | LITTLEROCK | Arkansas | LEVEL 3 TELECOM OF ARKANSAS, LLC - AR | CLEC | More |
| 502 | 553 | LOUISVILLE | Kentucky | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 503 | 553 | PORTLAND | Oregon | QWEST CORPORATION | RBOC | More |
| 504 | 553 | NEWORLEANS | Louisiana | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | RBOC | More |
| 505 | 553 | ALBUQURQUE | New Mexico | CYBER MESA COMPUTER SYSTEMS, INC. | GENERAL | More |
| 506 | 553 | NEW DENMARK | New Brunswick | Aliant Telecom(NB) | IND. TELCO | More |
| 507 | 553 | WELLS | Minnesota | BLUE EARTH VALLEY TEL. CO. | IND. TELCO | More |
| 508 | 553 | FRANKLIN | Massachusetts | VERIZON NEW ENGLAND INC. | RBOC | More |
| 509 | 553 | COLFAX | Washington | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 510 | 553 | OKLD TRNID | California | PACIFIC BELL | RBOC | More |
| 512 | 553 | BURNET | Texas | LEVEL 3 COMMUNICATIONS, LLC - TX | CLEC | More |
| 513 | 553 | CLERMONT | Ohio | CINCINNATI BELL | IND. TELCO | More |
| 514 | 553 | Montreal | Quebec | Fido Solutions Inc. | | More |
| 515 | 553 | DES MOINES | Iowa | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 516 | 553 | NASSAUZN05 | New York | USA MOBILITY WIRELESS, INC. | WIRELESS PROV | More |
| 517 | 553 | PIGEON | Michigan | METROPCS, INC. | | More |
| 518 | 553 | VALLEY FLS | New York | BANDWIDTH.COM CLEC, LLC - NY | | More |
| 519 | 553 | LONDON | Ontario | Rogers Communications Partnership (Cable) | CLEC | More |
| 520 | 553 | CASAGRANDE | Arizona | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 530 | 553 | NTAH BCWY | California | TELEPORT COMMUNICATIONS AMERICA, LLC - CA | CLEC | More |
| 540 | 553 | BLACKSBURG | Virginia | VERIZON VIRGINIA, INC. | RBOC | More |
| 541 | 553 | MADRAS | Oregon | QWEST CORPORATION | RBOC | More |
| 551 | 553 | ORADELL | New Jersey | ONVOY, LLC - NJ | | More |
| 559 | 553 | VISALIA | California | ONVOY, LLC - CA | | More |
| 561 | 553 | WPALMBEACH | Florida | USA MOBILITY WIRELESS, INC. | WIRELESS PROV | More |
| 562 | 553 | LA HABRA | California | LEVEL 3 COMMUNICATIONS, LLC - CA | CLEC | More |
| 570 | 553 | ST JOSEPH | Pennsylvania | COMMONWEALTH TELEPHONE COMPANY LLC | IND. TELCO | More |
| 571 | 553 | LEESBURG | Virginia | PAETEC COMMUNICATIONS OF VIRGINIA, LLC - VA | CLEC | More |
| 573 | 553 | MONROECITY | Missouri | TELEPORT COMMUNICATIONS AMERICA, LLC - MO | CAP | More |
| 580 | 553 | GATE | Oklahoma | PANHANDLE TELECOMMUNICATIONS SYSTEMS, INC. | | More |
| 585 | 553 | BATAVIA | New York | OMNIPOINT COMMUNICATIONS, INC. - NY | WIRELESS PROV | More |
| 586 | 553 | WARREN | Michigan | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 601 | 553 | MERIDIAN | Mississippi | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | RBOC | More |
| 602 | 553 | PHOENIX | Arizona | QWEST CORPORATION | RBOC | More |
| 603 | 553 | DERRY | New Hampshire | NEW CINGULAR WIRELESS PCS, LLC - DC | WIRELESS PROV | More |
| 604 | 553 | LANGLEY | British Columbia | Shaw Telecom Inc. | | More |
| 605 | 553 | SIOUX FLS | South Dakota | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | CLEC | More |
| 608 | 553 | DODGEVILLE | Wisconsin | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI | WIRELESS PROV | More |
| 609 | 553 | ATLNTIC CY | New Jersey | OMNIPOINT COMMUNICATIONS ENTERPRISES, LP | WIRELESS PROV | More |
| 610 | 553 | PHPHSBZN17 | Pennsylvania | TELEPORT COMMUNICATIONS AMERICA, LLC - PA | CLEC | More |
| 613 | 553 | Bancroft | Ontario | TELUS Mobility | PCS | More |
| 614 | 553 | DUBLIN | Ohio | LEVEL 3 TELECOM OF OHIO, LLC - OH | CLEC | More |
| 615 | 553 | MT JULIET | Tennessee | WINDSTREAM NUVOX, INC. | CLEC | More |
| 616 | 553 | KALAMAZOO | Michigan | MICHIGAN BELL TEL CO - MI | RBOC | More |
| 617 | 553 | JAMAICA PL | Massachusetts | RCN TELECOM SERVICES, INC. - MA | CLEC | More |
| 618 | 553 | ROBINSON | Illinois | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | WIRELESS PROV | More |
| 619 | 553 | SNDG SNDG | California | PACIFIC BELL | RBOC | More |
| 620 | 553 | KINGMAN | Kansas | UNITED STATES CELLULAR - KS | WIRELESS PROV | More |
| 626 | 553 | ALHAMBRA | California | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | WIRELESS PROV | More |
| 630 | 553 | YORKVILLE | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 631 | 553 | BRENTWOOD | New York | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY | WIRELESS PROV | More |
| 646 | 553 | NWYRCYZN01 | New York | LEVEL 3 COMMUNICATIONS, LLC - NY | CLEC | More |
| 650 | 553 | SAN BRUNO | California | PACIFIC BELL | RBOC | More |
| 657 | 553 | SANTA ANA | California | ONVOY, LLC - CA | | More |
| 660 | 553 | SEDALIA | Missouri | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 661 | 553 | DELANO | California | BANDWIDTH.COM CLEC, LLC - CA | | More |
| 662 | 553 | TUPELO | Mississippi | LEVEL 3 COMMUNICATIONS, LLC - MS | | More |
| 678 | 553 | ATLANTA | Georgia | US LEC OF GEORGIA, INC. | CLEC | More |
| 682 | 553 | ARLINGTON | Texas | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 701 | 553 | ABERCROMBIE | North Dakota | RED RIVER RURAL TEL ASSN DBA RED RIVER COMM - ND | IND. TELCO | More |
| 702 | 553 | LAS VEGAS | Nevada | MATRIX TELECOM, LLC. S/I/I TNCI - NV | CLEC | More |
| 703 | 553 | WASZ 8 | Virginia | VERIZON VIRGINIA, INC. | RBOC | More |
| 704 | 553 | CHARLOTTE | North Carolina | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 705 | 553 | Azilda | Ontario | MTS Allstream Inc. | CLEC | More |
| 706 | 553 | WOODBURY | Georgia | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 707 | 553 | VALLEJO | California | PACIFIC BELL | RBOC | More |
| 708 | 553 | CICERO | Illinois | EXIANT COMMUNICATIONS LLC | | More |
| 709 | 553 | ST JOHNS | Newfoundland | Aliant Telecom (NF) | IND. TELCO | More |
| 713 | 553 | HOUSTON | Texas | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 714 | 553 | ANAHEIM | California | T-MOBILE USA, INC. | WIRELESS PROV | More |
| 715 | 553 | CENTURIA | Wisconsin | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI | WIRELESS PROV | More |
| 716 | 553 | BUFFALO | New York | OMNIPOINT COMMUNICATIONS, INC. - NY | WIRELESS PROV | More |
| 717 | 553 | LANCASTER | Pennsylvania | XO COMMUNICATIONS SERVICES, INC. - PA | CAP | More |
| 718 | 553 | NYCZ 10 | New York | VERIZON NEW YORK, INC. | RBOC | More |
| 719 | 553 | PUEBLO | Colorado | QWEST CORPORATION | RBOC | More |
| 720 | 553 | AURORA | Colorado | QWEST CORPORATION | RBOC | More |
| 724 | 553 | CRIDERS CORNERS | Pennsylvania | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 727 | 553 | SAINT PETERSBURG | Florida | FRONTIER FLORIDA LLC DBA FRONTIER COMM OF FLORIDA | IND. TELCO | More |
| 732 | 553 | SOUTH AMBOY | New Jersey | VERIZON NEW JERSEY, INC. | RBOC | More |
| 734 | 553 | GREGORY | Michigan | TELNET WORLDWIDE, INC. | CLEC | More |
| 740 | 553 | COSHOCTON | Ohio | USA MOBILITY WIRELESS, INC. | WIRELESS PROV | More |
| 757 | 553 | NORFOLK | Virginia | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | WIRELESS PROV | More |
| 760 | 553 | LOS ANGELES FOCAL | California | LEVEL 3 COMMUNICATIONS, LLC - CA | CLEC | More |
| 763 | 553 | MNPZ 9 | Minnesota | QWEST CORPORATION | RBOC | More |
| 765 | 553 | KOKOMO | Indiana | HRS INTERNET LLC DBA EVERSTREAM | | More |
| 769 | 553 | TAYLORSVL | Mississippi | LEVEL 3 COMMUNICATIONS, LLC - MS | | More |
| 770 | 553 | ADAIRSVILLE | Georgia | USA MOBILITY WIRELESS, INC. | WIRELESS PROV | More |
| 773 | 553 | CHCZ 6 | Illinois | ILLINOIS BELL TEL CO | RBOC | More |
| 774 | 553 | BOSTON | Massachusetts | PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA | | More |
| 775 | 553 | BEATTY | Nevada | NEVADA BELL | RBOC | More |
| 778 | 553 | Fort Nelson | British Columbia | TELUS Mobility | CAP | More |
| 780 | 553 | Clairmont | Alberta | Bragg Communications Inc. | CLEC | More |
| 781 | 553 | LEXINGTON | Massachusetts | BANDWIDTH.COM CLEC, LLC - MA | | More |
| 785 | 553 | Unknown | Kansas | ONVOY, LLC - KS | | More |
| 786 | 553 | MIAMI | Florida | OMNIPOINT MIAMI E LICENSE, LLC | PCS | More |
| 787 | 553 | BAYAMON NORTE | Puerto Rico | PUERTO RICO TELCO DBA CLARO PUERTO RICO | WIRELESS PROV | More |
| 801 | 553 | MIDVALE | Utah | QWEST CORPORATION | RBOC | More |
| 802 | 553 | WEST BURKE | Vermont | ONVOY, LLC - VT | | More |
| 803 | 553 | COLUMBIA | South Carolina | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 804 | 553 | RICHMOND | Virginia | VERIZON VIRGINIA, INC. | RBOC | More |
| 805 | 553 | MOORPARK | California | PACIFIC BELL | RBOC | More |
| 806 | 553 | AMARILLO | Texas | LEVEL 3 COMMUNICATIONS, LLC - TX | CLEC | More |
| 808 | 553 | KAUNAKAKAI | Hawaii | HAWAIIAN TELCOM, INC. - HI | IND. TELCO | More |
| 810 | 553 | WARREN | Michigan | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI | WIRELESS PROV | More |
| 812 | 553 | TERRE HAUTE NORTH | Indiana | FRONTIER NORTH, INC.. - IN | IND. TELCO | More |
| 813 | 553 | TAMPANTH | Florida | METROPCS, INC. | | More |
| 814 | 553 | CLEARFIELD | Pennsylvania | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA | WIRELESS PROV | More |
| 815 | 553 | CHICAGO | Illinois | OVATION COMMUNICATIONS OF ILLINOIS, INC. | CLEC | More |
| 816 | 553 | HARRISONVL | Missouri | DISH WIRELESS, LLC | | More |
| 817 | 553 | FORT WORTH | Texas | LOGIX COMMUNICATIONS CORPORATION - TX | CLEC | More |
| 818 | 553 | GLENDALE | California | PACIFIC BELL | RBOC | More |
| 819 | 553 | Sawyerville | Quebec | 9163-7918 Quebec Inc | | More |
| 828 | 553 | BREVARD | North Carolina | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC | WIRELESS PROV | More |
| 832 | 553 | HOUSTON | Texas | LEVEL 3 COMMUNICATIONS, LLC - TX | CLEC | More |
| 843 | 553 | CHARLESTON | South Carolina | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | RBOC | More |
| 845 | 553 | HAVERSTRAW | New York | NEW CINGULAR WIRELESS PCS, LLC - DC | WIRELESS PROV | More |
| 847 | 553 | LISLE | Illinois | TELEPORT COMMUNICATIONS AMERICA, LLC - IL | CAP | More |
| 850 | 553 | TALLAHASSEE | Florida | CENTURYLINK OF FLORIDA, INC. (CENTRAL) | IND. TELCO | More |
| 856 | 553 | PITMAN | New Jersey | NEW CINGULAR WIRELESS PCS, LLC - DC | WIRELESS PROV | More |
| 859 | 553 | NICHOLASVILLE | Kentucky | NEW CINGULAR WIRELESS PCS, LLC - GA | WIRELESS PROV | More |
| 860 | 553 | STAMFORD | Connecticut | PAETEC COMMUNICATIONS, LLC - CT | | More |
| 863 | 553 | CLEWISTON | Florida | TON80 COMMUNICATIONS, LLC | | More |
| 864 | 553 | GREENVILLE | South Carolina | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SC | WIRELESS PROV | More |
| 870 | 553 | OSAGE | Arkansas | TRI-COUNTY TEL. CO., INC. | IND. TELCO | More |
| 878 | 553 | PGSZ 23 | Pennsylvania | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA | CLEC | More |
| 901 | 553 | MEMPHIS | Tennessee | POWERTEL MEMPHIS LICENSES, INC. | WIRELESS PROV | More |
| 902 | 553 | RIDGEWATER | Nova Scotia | Rogers Communications Partnership (Wireless) | WIRELESS PROV | More |
| 903 | 553 | LONGVIEW PLAZA | Texas | SOUTHWESTERN BELL | RBOC | More |
| 904 | 553 | JACKSONVILLE | Florida | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - FL | WIRELESS PROV | More |
| 905 | 553 | Maple | Ontario | Rogers Communications Partnership (Cable) | | More |
| 906 | 553 | ESCANABA | Michigan | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 907 | 553 | ATMAUTLUAK | Alaska | UNITED UTILITIES, INC. | IND. TELCO | More |
| 908 | 553 | TETERBORO | New Jersey | OMNIPOINT COMMUNICATIONS, INC. - NJ | WIRELESS PROV | More |
| 909 | 553 | SAN BERNARDINO | California | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 910 | 553 | Unknown | North Carolina | TIME WARNER CBL INFO SVC (NC) DBA TIME WARNER CBL | | More |
| 912 | 553 | SANDERSVILLE-TENNIL | Georgia | AL-CALL, INC. - GA | | More |
| 913 | 553 | Unknown | Kansas | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 914 | 553 | WESTCHESTER ZONE 8 | New York | USA MOBILITY WIRELESS, INC. | WIRELESS PROV | More |
| 915 | 553 | MIDLAND | Texas | NEW CINGULAR WIRELESS PCS, LCC - TX | WIRELESS PROV | More |
| 916 | 553 | SACRAMENTO | California | PACIFIC BELL | RBOC | More |
| 917 | 553 | MANHATTAN | New York | OMNIPOINT COMMUNICATIONS, INC. - NY | WIRELESS PROV | More |
| 918 | 553 | COLLINSVL | Oklahoma | AT&T CORP. | | More |
| 919 | 553 | CLAYTON | North Carolina | CAROLINA TEL AND TEL CO., LLC DBA CENTURYLINK | IND. TELCO | More |
| 920 | 553 | TWO RIVERS | Wisconsin | LAKEFIELD TELEPHONE COMPANY, LLC | | More |
| 925 | 553 | FREMONT | California | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | CLEC | More |
| 929 | 553 | NWYRCYZN09 | New York | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | CLEC | More |
| 931 | 553 | CLARKSVILLE | Tennessee | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | RBOC | More |
| 936 | 553 | NACOGDOCHS | Texas | NEW CINGULAR WIRELESS PCS, LLC - IL | WIRELESS PROV | More |
| 937 | 553 | MARYSVILLE | Ohio | LEVEL 3 COMMUNICATIONS, LLC - OH | CLEC | More |
| 940 | 553 | VERNON | Texas | SOUTHWESTERN BELL | RBOC | More |
| 941 | 553 | SARASOTA | Florida | US LEC OF FLORIDA, INC. | CLEC | More |
| 949 | 553 | IRVINE | California | PACIFIC BELL | RBOC | More |
| 951 | 553 | TEMECULA | California | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | WIRELESS PROV | More |
| 954 | 553 | DEERFIELD BEACH | Florida | METROPCS, INC. | | More |
| 956 | 553 | HARLINGEN | Texas | ONVOY SPECTRUM, LLC | | More |
| 970 | 553 | IGNACIO | Colorado | NEW CINGULAR WIRELESS PCS, LLC | WIRELESS PROV | More |
| 972 | 553 | FRISCO | Texas | GRANDE COMMUNICATIONS NETWORKS, INC. - TX | CLEC | More |
| 973 | 553 | PATERSON | New Jersey | LEVEL 3 COMMUNICATIONS, LLC - NJ | CLEC | More |
| 978 | 553 | HUDSON | Massachusetts | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MA | CLEC | More |
| 979 | 553 | PECAN BEND | Texas | CONSOLIDATED COMMUNICATIONS OF TEXAS COMPANY | IND. TELCO | More |
| 980 | 553 | KINGS MT | North Carolina | BANDWIDTH.COM CLEC, LLC - NC | | More |
| 989 | 553 | PIGEON | Michigan | THUMB CELLULAR LP | WIRELESS PROV | More |
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