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![]() AT&T teleholdings, Inc. logo since 2016 | |
Ameritech | |
Formerly | American Information Technologies Corporation Ameritech Corporation SBC Teleholdings, Inc. |
Company type | Subsidiary |
NYSE: AIT | |
Industry | Telecommunications |
Predecessor | American Telephone and Telegraph Company |
Founded | 1983 |
Defunct | 2002 |
Fate | Merged with SBC Communications |
Successor | SBC Communications Inc. |
Headquarters | , United States |
Products | Telephone, Internet, Television |
Parent | AT&T Corporation (1983) SBC/AT&T Inc. (1999–2002) |
Subsidiaries | Illinois Bell Indiana Bell Michigan Bell Ohio Bell Pacific Bell Wisconsin Bell |
AT&T Teleholdings, Inc., formerly known as Ameritech Corporation (and before that American Information Technologies Corporation), is an American telecommunications company that arose out of the 1984 AT&T divestiture. Ameritech was one of the seven Regional Bell Operating Companies created following the breakup of the Bell System. Ameritech was acquired in 1999 by SBC Communications, which subsequently acquired AT&T Corporation in 2006, becoming the present-day AT&T.
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