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Regional Bell Operating Companies

The Regional Bell Operating Companies (RBOCs) are the result of the break-up of the Bell System in 1984.

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.
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:

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

Regional telephone companies and VOIP providers by state

State Regional Bell operating company (RBOC)[5] Other telephone companies
Alabama AT&T, CenturyLink[6] C Spire, Birch, Windstream, Fairpoint, Frontier Communications, Comcast, Charter Communications, TDS Telecom, Matrix, Cytranet, Comtech21
Alaska Alaska Communications AlaskaTel, Alaska Power and Telephone Company, Alaska Communications, GCI, Cordova Telephone Cooperative, Matanuska Telephone Association, Tel Alaska, Copper Valley Telephone Cooperative
Arizona AT&T, CenturyLink Cox, Crexendo Inc., Frontier Communications, Matrix, Nextiva, Windstream, TDS Telecom, Comtech21, Charter Communications, Smith Bagley Inc dba Cellular One of NE AZ
Arkansas AT&T, CenturyLink Birch, Sage Telecom, Windstream, Comcast, Ritter Communications, TDS Telecom, Matrix, Comtech21
California AT&T, CenturyLink, Frontier Communications Birch, Carolina Digital Phone,[7] Comcast, Sage Telecom, Sonic.net, Blue Casa, Windstream, Frontier Communications, Charter Communications, Pacific Telephone Company, Cox Communications, TDS Telecom, Matrix, TelePacific Communications, TCAST Communications, Wiline Internet And Voice, Consolidated Communications, ZTelco, Comtech21
Colorado CenturyLink Comcast, Charter Communications, FairPoint, Windstream, TDS Telecom, Matrix, Comtech21, Teliax
Connecticut CenturyLink, Frontier (formerly AT&T)[8] Broadview Networks, Sage Telecom, Comcast Xfinity, Windstream, Charter Communications, Cox, Altice, Matrix, LinkUP Broadband, Comtech21
Delaware CenturyLink, Verizon Birch, Broadview Networks CloseCall America, Atlantic Broadband, Cavalier Telephone, Comcast, Matrix, Comtech21
District of Columbia AT&T, CenturyLink, Verizon Broadview Networks, Comcast Cavalier, RCN, Windstream, Matrix, Comtech21
Florida AT&T, CenturyLink, Frontier Communications ON DRIVE TECHS, Birch, VoiceOnyx Business Phone Service, Nettalk Inc. USA, Cavalier, Northlake Telecom, CloseCall America, Access Integrated Networks, Comcast, Deltacom, Engage Communications, Fairpoint, FracTEL LLC, Windstream, Frontier Communications, Cox Communications, Charter Communications, Atlantic Broadband, TDS Telecom, Matrix, Sling Broadband, Star2Star Communications, LIghtspeed Voice, Xpedeus, Comtech21, C Spire
Georgia AT&T, CenturyLink Birch, Cavalier, Cox, Comcast, Deltacom, Windstream, Frontier Communications, Charter Communications, Cox Communications, Hargray, TDS Telecom, Matrix, Comtech21, Ellijay Telephone Company, Hart Telephone Company
Hawaii Hawaiian Telcom owned by Cincinnati Bell Servpac, Sandwich Isles Communications, CenturyLink, Charter Communications (Statewide), Comtech21
Idaho AT&T, CenturyLink Frontier Communications, Cable One (Boise Area), Charter Communications, TDS Telecom, Matrix, Comtech21
Illinois AT&T, CenturyLink, Frontier Communications Birch, Cavalier, Sage Telecom, CloseCall America, Consolidated Communications, Comcast, Fairpoint, Mediacom, RCN (Chicago Area), Windstream, Frontier Communications, Charter Communications, TDS Telecom, NewCore Wireless, Matrix, RangaTel, Comtech21, Madison Communications, Leaf River Telephone Company, Hamilton County Communications, Wabash Communications Co-Op, New Windsor Telephone Company, Shawnee Communications, Montrose Mutual Telephone Company, A-G Communications, HomeTel, Egyptian Telephone Cooperative, Flat Rock Telephone Co-Op, Frontier Communications
Indiana AT&T, CenturyLink, Frontier Communications Birch, Zentality Communications, Smithville Fiber, Sage Telecom, Comcast, Cincinnati Bell, CloseCall America, Frontier Communications, Windstream, TDS Telecom, Matrix, Charter Communications, Comtech21, Mulberry Communications, Perry-Spencer Communications, Clay County Rural Telephone d/b/a Endeavor Communications, Enhanced Telecommunications d/b/a ETC, Craigville Communications, Ligonier Telephone Company, New Paris Telephone Company, Indigital, Rochester Telephone Company, Sweetser Telephone Company, Geetingsville Telephone Company, Swayzee Communications, Yeoman Telephone Company, Daviess-Martin Telephone Company, Washington County Rural Telephone d/b/a Telemedia, Ninestar Communications, New Lisbon Telephone Company, NITCO, Metronet, Lightstream Communications.
Iowa CenturyLink Birch, Windstream, Frontier Communications, Mediacom, Matrix, TDS Telecom, NewCore Wireless, Comtech21
Kansas AT&T, CenturyLink Birch, Sage Telecom, Rural Telephone, CloseCall America, Cox, Fairpoint, Matrix, Charter Communications, Consolidated Communications, Comtech21, Encounter Wireless Communications
Kentucky AT&T, CenturyLink, Verizon Birch, Brandenburg Telephone Company, Cincinnati Bell, Windstream, TDS Telecom, Matrix, Charter Communications, Comtech21
Louisiana AT&T, CenturyLink Birch, Cavalier, Access Integrated Networks, Deltacom, Windstream, Charter Communications, Cox, Matrix, Comtech21
Maine Consolidated Communications (formerly FairPoint) Broadview Networks, Comcast, CloseCall America, FairPoint, Lincolnville Telephone Company, Windstream, Charter Communications, TDS Telecom, Matrix, Comtech21
Maryland CenturyLink, Verizon Birch, Broadview Networks, Comcast, Cavalier, CloseCall America, Easton Velocity, Armstrong, Windstream, Atlantic Broadband, PanTerra Networks, RCN (Montgomery County), Matrix, Comtech21
Massachusetts Consolidated Communications, Verizon Birch, Broadview Networks, DSCI Corp., Comcast, CloseCall America, RCN (Boston Area), Charter Communications, Matrix, Comtech21
Michigan CenturyLink, AT&T Birch, 123Net, Sage Telecom, Cavalier, CloseCall America, TDS Metrocom, Westphalia Telephone Company, Lennon Telephone Company, MichTel, Frontier Communications, Charter Communications, Comcast, Windstream, Matrix, TelNet Worldwide, BullsEye Telecom, Comtech21.
Minnesota CenturyLink Arvig, Arrowhead Electric Cooperative, Birch, Comcast, Sage Telecom, Frontier Communications, Charter Communications, Midcontinent Communications, Minnetonka Telecom, Windstream, TDS Telecom, Matrix, NewCore Wireless, PanTerra Networks, Integra Telecom, Mediacom, Consolidated Communications, Jaguar Communications, US Internet.
Mississippi AT&T, CenturyLink C Spire, Birch, Cavalier, Comcast, Deltacom, Windstream, Frontier Communications, MegaGate Broadband, Charter Communications, TDS Telecom, Matrix, Comtech21
Missouri AT&T, CenturyLink Big River Telephone Company, Birch, Windstream, Sage Telecom, KLM Telephone Company, Charter Communications, FairPoint, TDS Telecom, Matrix, Consolidated Communications, Comtech21
Montana CenturyLink Birch, Charter Communications, Frontier Communications, Matrix, Comtech21
Nebraska AT&T, CenturyLink Birch, Windstream, Frontier Communications, Charter Communications, Cox, Midcontinent Communications, Matrix, Comtech21
Nevada AT&T,[9] CenturyLink, Verizon Frontier Communications, CC Communications, Charter Communications, Cox, Matrix, Telecom North America, TelePacific Communications, Comtech21
New Hampshire CenturyLink, Consolidated Communications (formerly FairPoint) Broadview Networks, CloseCall America, Bretton Woods Telephone, Dixville Telephone Company, Dunbarton Telephone Company, Granite State Communications, TDS Telecom, Windstream, Matrix, Union Telephone Co, Northland Telephone Co,[10] Comtech21, Comcast
New Jersey CenturyLink, Verizon Birch, Broadview Networks, Cavalier, CloseCall America, Covista Communications, Windstream, Charter Communications, Cablevision, Comcast, Service Electric, Matrix, Comtech21
New Mexico CenturyLink Birch, Comcast, Cable One, Windstream, Frontier Communications, Matrix, Comtech21, Smith Bagley Inc dba Cellular One of NE AZ
New York CenturyLink, Verizon Birch, Broadview Networks, Cavalier, CloseCall America, Pure Minutes Mobile, Frontier Communications, Armstrong, Fairpoint, Windstream, Regional Telephone Corporation, Frontier Communications, Charter Communications, Cablevision, OVETEL Atlantic Broadband, TDS Telecom, Finger Lakes Technologies Group, RCN (Manhattan and Queens), Matrix, The Flat Planet Phone Company, Comtech21
North Carolina AT&T, CenturyLink Birch, Cavalier, Deltacom, Frontier Communications, Windstream, Charter Communications, ATMC, TDS Telecom, Matrix, North State Communications, Comtech21
North Dakota CenturyLink SRT Communications, Birch, Dickey Rural Communications, Bek Telephone, Consolidated Telephone, Midcontinent Communications, TDS Telecom, Matrix, Comtech21
Ohio AT&T,

CenturyLink,

Frontier Comm.,

Verizon

Birch, BuckeyeTel, Buckye Broadband, Cavalier, Charter Communications, Cincinnati Bell, Comtech21, Cox, Earthlink, Fairpoint, Horizon Telcom Inc., MCTV, Matrix, Ohio Digital Business VoIP, Sage Telecom, Spectrum, TDS Telecom, Wide Open West (WOW!), Windstream,
Oklahoma AT&T, CenturyLink Birch, Windstream, Sage Telecom, Cox, Fairpoint, TDS Telecom, Matrix, LOGIX Communications, Comtech21, Encounter Wireless Communications
Oregon CenturyLink, Verizon Birch, Charter Communications, Comcast, Frontier Communications, TDS Telecom, Matrix, TRUSTID, Comtech21
Pennsylvania CenturyLink, Verizon Armstrong, Atlantic Broadband, Blue Ridge Communications, Cablevision, Cavalier, Citizens Telephone Company of Kecksburg, CloseCall America, Comcast, Consolidated Communications, Frontier Communications, Full Service Network, Ironton Telephone Company, Matrix, North-Eastern Pennsylvania Telephone Company, Palmerton Telephone Company, RCN (Eastern PA Area), Service Electric, South Canaan Telephone, TDS Telecom, Charter Communications, Windstream, Birch, Comtech21
Rhode Island CenturyLink, Verizon Broadview Networks, CloseCall America, Windstream, Cox, Matrix, Comtech21
South Carolina AT&T, CenturyLink, Frontier Communications Birch, Atlantic Broadband, Deltacom, Comporium, Frontier Communications, Genesis Telecommunications, Windstream, Charter Communications, Comcast, Hargray, TDS Telecom, Matrix, Waccamaw Telecommunications Systems, Inc.[Farmers Telephone Cooperative], Comtech21
South Dakota CenturyLink Birch, Santel Communications, Midcontinent Communications, Matrix, Comtech21, Vast Broadband
Tennessee AT&T, CenturyLink Birch, Deltacom, Windstream, Frontier Communications, EPB Fiber Optics, Charter Communications, TDS Telecom, Ritter Communications, Comcast, Matrix, Comtech21
Texas AT&T, CenturyLink, Frontier Communications Birch, Sage Telecom, Comcast, CloseCall America, Grande Communications, Frontier Communications, ICBS, Charter Communications, Consolidated Communications, Matrix, Windstream, LOGIX Communications, Comtech21
Utah CenturyLink Bresnan Communications, Comcast, Frontier Communications, Windstream, Matrix, UBTA-UBET, Comtech21
Vermont CenturyLink, Consolidated Communications (formerly FairPoint) Broadview Networks, Charter Communications, TDS Telecom, Matrix, Comtech21
Virginia CenturyLink, Verizon Birch, CloseCall America, CenturyLink, Charter, Cox, Fairpoint, Lumos Networks, Shenandoah Telecommunications (Shentel), Windstream, TDS Telecom, Comcast, RCN (Falls Church), Matrix, Bristol Virginia Utilities, Comtech21
Washington CenturyLink,

Frontier Communications (formerly Verizon, GTE)

Birch, Comcast, Charter Communications, Fairpoint, Frontier Communications,[11] Hood Canal Communications, Whidbey Telecom, TDS Telecom, Matrix, Comtech21
West Virginia AT&T, CenturyLink, Frontier Communications Armstrong, Atlantic Broadband, Frontier Communications, Comcast, Matrix, West Virginia Digital Phone, Comtech21
Wisconsin AT&T, CenturyLink, TDS Telecom FitTech Hosting, Birch, Sage Telecom, CloseCall America, West Wisconsin Telcom, 24-7 Telcom, Tri-County Communications, Richland-Grant Telephone, Baldwin Telcom, Frontier Communications (Formerly Verizon/L-GTE areas), TDS Telecom, Charter Communications (Statewide), Comcast (Manitowoc), Mediacom, Windstream, NewCore Wireless, Matrix, Comtech21
Wyoming CenturyLink Birch, Charter Communications, Cellular One, Matrix, Silver Star Communications, UBTA-UBET, Union Telephone Company, Comtech21

See also

Notes

  1. ^ "About Consolidated Communications". www.consolidated.com.
  2. ^ http://s1.q4cdn.com/371368693/files/doc_financials/annual/2016/TDS2016AnnualReport.pdf
  3. ^ "Cincinnati Bell acquires two peers for $851M".
  4. ^ * Claro Puerto Rico, which serves every exchange in Puerto Rico, has been owned by the international telecommunications giant América Móvil since in 2007.
  5. ^ "CenturyLink – Tariffs Search Documents". centurylink.com.
  6. ^ CenturyLink. "State and Local Information - CenturyLink".
  7. ^ "VoIP, Cloud based Telephone, SIP Trunks and Digital Phone". Carolina Digital Phone. November 17, 2016.
  8. ^ "AT&T to sell Connecticut wireline assets to Frontier for $2 billion". Reuters. December 17, 2013.
  9. ^ "AT&T Savings Nevada Availability". attsavings.com.
  10. ^ "Companies Regulated by or Registered with NHPUC". New Hampshire Public Utilities Commission. Retrieved December 1, 2010. CS1 maint: discouraged parameter (link)
  11. ^ "Frontier Communications to Acquire Verizon Assets Creating Nation's Largest Pure Rural Communications Services Provider". Retrieved April 17, 2018.