List of United States telephone companies

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Regional Bell operating companies in the United States

  • AT&T Inc.: Alabama, Arkansas, California, Florida, Georgia, Illinois, Indiana, Kansas, Kentucky, Louisiana, Michigan, Mississippi, Missouri, Nevada, North Carolina, Ohio, Oklahoma, South Carolina, Tennessee, Texas, Wisconsin
  • Verizon: Delaware, District of Columbia, Maryland, Massachusetts, New Jersey, New York, Pennsylvania, Rhode Island, Virginia
  • CenturyLink: Arizona, Colorado, Idaho, Iowa, Minnesota, Missouri, Montana, Nebraska, Nevada, New Mexico, North Dakota, Oregon, South Dakota, Utah, Washington, Wyoming
  • Fairpoint: Maine, New Hampshire, and Vermont. (purchased from Verizon)
  • Frontier Communications: West Virginia, Connecticut
    • Became a RBOC in 2010 when it purchased landlines in West Virginia from Verizon
    • In 2013 purchased landlines in Connecticut from AT&T
File:Remaining RBOC map.png
Remaining RBOC map as of 2005. Note that Qwest is now CenturyLink, BellSouth is now AT&T, and AT&T in Connecticut (formerly SNET) is now Frontier.

Other major Incumbent local exchange carriers

In the following states and regions, the primary local carrier is not an RBOC:

  • CenturyLink, in addition to its role as the RBOC in the areas gained from its acquisition of Qwest, CenturyLink serves mainly rural local exchanges in 33 states.
  • Frontier Communications, in addition to its role as the RBOC for West Virginia, now serves mainly rural areas in 27 other states (many formerly part of the GTE ILEC system purchased from Verizon). It also purchased AT&T's landline business in Connecticut in 2013, though these are not considered an RBOC, as the Southern New England Telephone Company, from which they descend, was a franchisee of the Bell System, and not subject to the same regulations after the Bell System breakup.
  • Windstream, founded in 2006 with the spinoff of Alltel's wireline division and simultaneous merger with Valor Telecom, serves mainly rural areas in 29 states.
  • FairPoint, in addition to access lines in Maine, New Hampshire, and Vermont, in Northern New England, also serves rural areas in 15 other states.
  • Claro Puerto Rico, which serves every exchange in Puerto Rico, has been owned by the international telecommunications giant América Móvil since in 2007.
  • Cincinnati Bell, which serves the greater Cincinnati area, was not included in the Bell System breakup of 1984 because the former AT&T held only a minority stake in that company.
  • Hawaiian Telcom, originally part of GTE before its merger with Verizon; Verizon sold their Hawaiian assets to The Carlyle Group in 2005
  • Verizon, in addition to its role as a RBOC in its areas retained in the East, serves former GTE areas in Pennsylvania and Virginia. Verizon formerly served California, Florida and Texas before selling to Frontier Communications in 2016.

Many other individual communities or smaller regions are also served by non-RBOC companies.

Regional telephone companies and VOIP providers by state

This is a list of telephone companies of the United States.

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State Regional Bell operating company (RBOC)[1] Other telephone companies
Alabama AT&T, CenturyLink[2] Birch Communications, Deltacom, Windstream, Fairpoint, Frontier Communications, Time Warner Cable, Charter, Bright House Networks, TDS Telecom, Matrix
Alaska AT&T, CenturyLink[3] Alascom, Alaska Power and Telephone Company, Anchorage Telephone Utility (ATU), General Communication, Matrix, Cordova Telephone Cooperative
Arizona AT&T, CenturyLink Cox, Frontier Communications, Matrix, Nextiva, Windstream, TDS Telecom
Arkansas AT&T, CenturyLink Birch, Sage Telecom, Windstream, Charter, Cox, Ritter Communications, TDS Telecom, Matrix, Level 3 communications
California AT&T, CenturyLink, Frontier Communications Birch, Carolina Digital Phone,[4] Comcast, Sage Telecom, Sonic.net, Blue Casa, Windstream, Frontier Communications, Time Warner Cable, Charter, Pacific Telephone Company, Cox, Bright House Networks, TDS Telecom, Matrix, TelePacific Communications, TCAST Communications, Wiline Internet And Voice
Colorado CenturyLink Bresnan Communications, Comcast, FairPoint, Windstream, TDS Telecom, Matrix
Connecticut CenturyLink, Frontier (formerly AT&T)[5] Broadview Networks, Sage Telecom, Comcast, Windstream, Charter, Cox, Cablevision, Matrix, LinkUP Broadband
Delaware CenturyLink, Verizon Birch, Broadview Networks, Carolina Digital Phone,[4] CloseCall America, Atlantic Broadband, Cavalier Telephone, Comcast, Matrix
District of Columbia AT&T, CenturyLink, Verizon Broadview Networks, Carolina Digital Phone,[4] Cavalier, RCN, Windstream, Matrix
Florida AT&T, CenturyLink, Frontier Communications FracTEL LLC, Birch, Carolina Digital Phone, VoiceOnyx Business Phone Service, Nettalk Inc. USA, Cavalier, Northlake Telecom, CloseCall America, Access Integrated Networks, Comcast, Deltacom, Engage Communications, Fairpoint, Windstream, Frontier Communications, Time Warner Cable, Cox, Bright House Networks, Atlantic Broadband, TDS Telecom, Matrix, Sling Broadband, Telovations, Star2Star Communications, LIghtspeed Voice
Georgia AT&T, CenturyLink Birch, Carolina Digital Phone,[4] Cavalier, Cox, Comcast, Deltacom, Windstream, Frontier Communications, Charter, Cox, Hargray, TDS Telecom, Matrix
Hawaii Hawaiian Telcom Servpac, Sandwich Isles Communications, tw telecom, Time Warner Cable
Idaho AT&T, CenturyLink Level 3, Frontier Communications, Cox, TDS Telecom, Matrix
Illinois AT&T, CenturyLink, Verizon Birch, Carolina Digital Phone,[4] Cavalier, Sage Telecom, CloseCall America, Consolidated Communications, Comcast, Fairpoint, Mediacom, RCN (Chicago Area), Windstream, Frontier Communications, Charter, TDS Telecom, NewCore Wireless, Matrix, RangaTel
Indiana AT&T, CenturyLink, Verizon Birch, Carolina Digital Phone,[4] Zentality Communications, Sage Telecom, Comcast, Cincinnati Bell, CloseCall America, Frontier Communications, Charter, Bright House Networks, Windstream, TDS Telecom, Matrix, Time Warner Cable
Iowa CenturyLink Birch, Iowa Telecom, Windstream, Frontier Communications, Mediacom, Matrix, NewCore Wireless
Kansas CenturyLink Birch, Carolina Digital Phone,[4] Sage Telecom, Rural Telephone, CloseCall America, Cox, Fairpoint, Matrix
Kentucky AT&T, CenturyLink, Verizon Birch, Brandenburg Telephone Company, Cincinnati Bell, Carolina Digital Phone,[4] Windstream, TDS Telecom, Matrix, Time Warner Cable
Louisiana AT&T, CenturyLink Birch, Cavalier, Access Integrated Networks, Deltacom, Windstream, Time Warner Cable, Charter, Cox, Matrix
Maine FairPoint (formerly Verizon) Broadview Networks, Comcast, CloseCall America, FairPoint, Lincolnville Telephone Company, Windstream, Time Warner Cable, TDS Telecom, Matrix
Maryland CenturyLink, Verizon Birch, Broadview Networks, Comcast, Cavalier, CloseCall America, Armstrong, Windstream, Atlantic Broadband, PanTerra Networks, RCN (Montgomery County), Matrix
Massachusetts AT&T, Verizon Birch, Broadview Networks, DSCI Corp., Comcast, CloseCall America, RCN (Boston Area), Windstream, Time Warner Cable, Charter, Matrix
Michigan CenturyLink, AT&T Birch, 123Net, Sage Telecom, Carolina Digital Phone,[4] Cavalier, CloseCall America, TDS Metrocom, Westphalia Telephone Company, Lennon Telephone Company, MichTel, Frontier Communications, Charter, Bright House Networks, Windstream, Matrix, TelNet Worldwide
Minnesota CenturyLink Birch, Comcast, Sage Telecom, Frontier Communications, Charter, Midcontinent Communications, Windstream, TDS Telecom, Matrix, NewCore Wireless, PanTerra Networks, Integra Telecom, Mediacom
Mississippi AT&T, CenturyLink Birch, Cavalier, Comcast, Deltacom, Windstream, Frontier Communications, MegaGate Broadband, Time Warner Cable, TDS Telecom, Matrix
Missouri AT&T, CenturyLink Big River Telephone Company, Birch, Carolina Digital Phone,[4] Windstream, Sage Telecom, KLM Telephone Company, Charter, FairPoint, TDS Telecom, Matrix
Montana CenturyLink Birch, Optimum Voice, Frontier Communications, Matrix
Nebraska AT&T, CenturyLink Birch, Windstream, Frontier Communications, Charter, Cox, Midcontinent Communications, Matrix
Nevada AT&T, CenturyLink, Verizon Frontier Communications, CC Communications, Charter, Cox, Matrix, Telecom North America, TelePacific Communications
New Hampshire CenturyLink, FairPoint (formerly Verizon) Broadview Networks, CloseCall America, Fairpoint, Bretton Woods Telephone, Dixville Telephone Company, Dunbarton Telephone Company, Granite State Communications, TDS Telecom, Windstream, Time Warner Cable, Matrix, Union Telephone Co, Northland Telephone Co[6]
New Jersey CenturyLink, Verizon Birch, Broadview Networks, Cavalier, CloseCall America, Covista Communications, Windstream, Time Warner Cable, Cablevision, Comcast, Service Electric, Matrix
New Mexico CenturyLink Birch, Windstream, Frontier Communications, Matrix
New York CenturyLink, Verizon Birch, Broadview Networks, Carolina Digital Phone,[4] Cavalier, CloseCall America, Pure Minutes Mobile, Frontier Communications, Armstrong, Fairpoint, Windstream, Frontier Communications, Time Warner Cable, Cablevision, OVETEL Charter, Atlantic Broadband, TDS Telecom, Finger Lakes Technologies Group, RCN (Manhattan and Queens), Matrix, The Flat Planet Phone Company
North Carolina AT&T, CenturyLink Birch, Carolina Digital Phone,[4] Cavalier, Deltacom, Frontier Communications, Windstream, Time Warner Cable, Charter, ATMC, TDS Telecom, Matrix, North State Communications
North Dakota CenturyLink Birch, Dickey Rural Communications, Bek Telephone, Consolidated Telephone, Midcontinent Communications, TDS Telecom, Matrix
Ohio AT&T, CenturyLink, Verizon Birch, BuckeyeTel, Sage Telecom, Cavalier, CloseCall America, Cincinnati Bell, Ohio Digital Business VoIP, Windstream, Fairpoint, Frontier Communications, Time Warner Cable, Cox, TDS Telecom, Matrix, Horizon Telcom, Inc., Wide Open West (WOW!)]
Oklahoma AT&T, CenturyLink Birch, Windstream, Sage Telecom, Time Warner Cable, Cox, Fairpoint, TDS Telecom, Matrix, LOGIX Communications
Oregon CenturyLink, Verizon Birch, Charter, Comcast, Frontier Communications, TDS Telecom, Matrix, TRUSTID
Pennsylvania CenturyLink, Verizon Birch, Cavalier, Citizens Telephone Company of Kecksburg, CloseCall America, Consolidated Communications, Comcast, Armstrong, RCN (Eastern PA Area), South Canaan Telephone, Windstream, North-Eastern Pennsylvania Telephone Company, Frontier Communications, Time Warner Cable, Atlantic Broadband, Blue Ridge Communications, Cablevision, TDS Telecom, Service Electric, Matrix, Palmerton Telephone Company, Ironton Telephone Company
Rhode Island CenturyLink, Verizon Broadview Networks, CloseCall America, Windstream, Cox, Matrix
South Carolina AT&T, CenturyLink Birch, Carolina Digital Phone,[4] Atlantic Broadband, Deltacom, Comporium, Frontier Communications, Genesis Telecommunications, Windstream, Time Warner Cable, Charter, Hargray, TDS Telecom, Matrix, Waccamaw Telecommunications Systems, Inc.[Farmers Telephone Cooperative]
South Dakota CenturyLink Birch, Santel Communications, Midcontinent Communications, Matrix
Tennessee AT&T, CenturyLink Birch, Carolina Digital Phone,[4] Deltacom, Windstream, Frontier Communications, Charter, TDS Telecom, Ritter Communications, Comcast, Matrix
Texas AT&T, CenturyLink, Frontier Communications Birch, Sage Telecom, Comcast, CloseCall America, Grande Communications, Windstream, ICBS, Time Warner Cable, Charter, Consolidated Communications, Matrix, LOGIX Communications
Utah CenturyLink Bresnan Communications, Comcast, Frontier Communications, Windstream, Matrix, UBTA-UBET
Vermont CenturyLink, Fairpoint (formerly Verizon) Broadview Networks, Fairpoint, Charter, TDS Telecom, Matrix
Virginia CenturyLink, Verizon Birch, Carolina Digital Phone,[4] CloseCall America, CenturyLink, Charter, Cox, Fairpoint, Lumos Networks, Shenandoah Telecommunications (Shentel), Windstream, TDS Telecom, Comcast, RCN (Falls Church), Matrix, Bristol Virginia Utilities
Washington CenturyLink Birch, Comcast, Charter, Fairpoint, Hood Canal Communications, Whidbey Telecom, TDS Telecom, Matrix
West Virginia AT&T, CenturyLink, Verizon Armstrong, Atlantic Broadband, Carolina Digital Phone,[4] Frontier Communications, Time Warner Cable, Comcast, Matrix, West Virginia Digital Phone
Wisconsin AT&T, CenturyLink, Verizon Birch, Sage Telecom, CloseCall America, West Wisconsin Telcom, 24-7 Telcom, Tri-County Communications, Richland-Grant Telephone, Baldwin Telcom, Frontier Communications, TDS Telecom, Time Warner Cable, Charter, Windstream, NewCore Wireless, Matrix
Wyoming CenturyLink Birch, Bresnan Communications, Cellular One, Matrix, Silver Star Communications, UBTA-UBET, Union Telephone Company

See also

Notes

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  2. http://www.centurylink.com/Pages/AboutUs/CompanyInformation/CompanyStats/
  3. Century has not been in Alaska since about 1998 when it was purchased by a company that shortly afterwards changed its name from PTI to Alaska Communications (ACS).
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