private subsidiary of at & t industry telecommunications founded 1920 headquarters indianapolis indiana u.s. products local telephone service parent at & t 1920 1983 ameritech 1984 1999 sbc at & t 1999 present website http www.att.com indiana bell telephone company incorporated is the bell operating company serving indiana . it is an indirect subsidiary of at & t inc. owned by at & t teleholdings . history edit indiana bell was founded in 1920 to function as the central bell telephone company in the state of indiana . it purchased the indiana operations of the central union telephone company and also purchased the indianapolis telephone company . it continued to expand throughout the 1920s through acquisitions . in 1930 indiana bell s headquarters building in indianapolis was relocated 52 feet 16 m to the south and 100 feet 30 m west of its original location while employees continued working in it . the move was an engineering feat of its time . throughout the 1940s and 1950s the company continued to expand by acquiring many smaller telephone companies throughout the state . after the 1984 bell system divestiture indiana bell became a part of ameritech one of the seven original regional bell operating companies . in 1990 the independent board of directors of indiana bell was dissolved . 1 corporate rebranding edit the indiana bell name continued to be used until january 1993 when ameritech dropped all individual bell operating company names in favor of using the corporate name for marketing purposes and indiana bell began doing business under the trade name ameritech indiana . in 2001 two years after ameritech was acquired by sbc communications sbc rebranded all of its companies to include the sbc name and indiana bell began doing business as sbc ameritech indiana . in 2002 sbc rebranded all of its companies simply as sbc for use as a national brand . indiana bell then starting doing business as sbc indiana . after at & t corporation was acquired by sbc communications sbc renamed itself at & t resulting in indiana bell taking the trade name at & t indiana . references edit indiana bell telephone company incorporated funding universe . retrieved 2012 05 02 . v t e at & t corporate directors chairman ceo and president randall l. stephenson gil amelio august busch iii martin k. eby jr. james a. henderson charles f. knight lynn morley martin john b. mccoy mary s. metz toni rembe s. donley ritchey joyce m. roche laura tyson patricia p. upton acquired companies at & t corporation ameritech bellsouth directv pacific telesis southern new england telecommunications at & t mexico unef n bell operating companies bellsouth telecommunications illinois bell indiana bell michigan bell nevada bell ohio bell pacific bell southwestern bell wisconsin bell competitive local exchange carrier sbc telecom long distance services alascom at & t corporation bellsouth long distance sbc long distance at & t mobility alltel ameritech cellular at & t wireless services bellsouth mobility bellsouth mobility dcs centennial wireless dobson communications houston cellular pacific bell wireless pacific bell wireless northwest sbc wireless snet mobility southwestern bell mobile systems southwestern bell wireless internet services ip services voip iptv u verse at & t internet services ameritech interactive media services pacific bell internet services prodigy southwestern bell internet services other isps at & t business internet bellsouth fastaccess dsl directories anywho.com yellowpages.com television channels at & t sports networks root sports northwest 40 % pittsburgh rocky mountain southwest utah other game show network 42 % mlb network 16.67 % audience telephone directories yp holdings 47 % at & t intellectual property at & t intellectual property i at & t intellectual property ii at & t intellectual property marketing at & t properties ameritech properties research and development at & t labs v t e bell system parent company american telephone and telegraph company local telephone companies still extant wholly owned bell telephone company of nevada the bell telephone company of pennsylvania the chesapeake & potomac telephone company the chesapeake & potomac telephone company of maryland the chesapeake & potomac telephone company of west virginia the chesapeake & potomac telephone company of virginia diamond state telephone illinois bell indiana bell michigan bell mountain bell new england telephone new jersey bell new york telephone northwestern bell ohio bell pacific northwest bell pacific telephone south central bell southern bell southwestern bell wisconsin telephone partially owned southern new england telephone cincinnati bell other subsidiaries manufacturing western electric research bell labs long distance long lines wireless advanced mobile phone service regional bell companies bell canada 1880 1975 historical commemorative alexander graham bell national historic site bell boatyard bell homestead national historic site bell telephone memorial telephone pioneers of america spirit of communication defunct bell telephone company new england telephone and telegraph company international bell telephone company the bell telephone company of canada northern electric bell telephone manufacturing company at & t technologies inc. related topics divestiture regional bell operating company this article about a telecommunications corporation or company in the united states is a stub . you can help wikipedia by expanding it . v t e retrieved from https en.wikipedia.org w index.php title indiana bell & oldid 743483125 categories at & tbell systemtelecommunications companies of the united statescompanies based in indianapolisdefunct telecommunications companies of the united statestelecommunications companies established in 1920american companies established in 1920united states telecommunications company stubshidden categories all stub articles navigation menu personal tools not logged 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