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  2. Southwestern Bell - Wikipedia

    en.wikipedia.org/wiki/Southwestern_Bell

    Southwestern Bell. Southwestern Bell Telephone Company, LLC is a wholly owned subsidiary of AT&T. It does business as other d.b.a. names in its operating region, which includes Arkansas, Kansas, Missouri, Oklahoma, Texas, and portions of Illinois. The company is currently headquartered in Dallas, Texas at One AT&T Plaza.

  3. Breakup of the Bell System - Wikipedia

    en.wikipedia.org/wiki/Breakup_of_the_Bell_System

    Pacific Telesis, acquired by SBC in 1997, now part of AT&T Inc. Ameritech, acquired by SBC in 1999, now part of AT&T Inc. Bell Atlantic, merged with GTE in 2000 to form Verizon Communications; Southwestern Bell Corporation, rebranded as SBC Communications in 1995, acquired AT&T Corporation in 2005; BellSouth, acquired by AT&T Inc. in 2006

  4. Ameritech - Wikipedia

    en.wikipedia.org/wiki/Ameritech

    Ameritech. 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.

  5. History of AT&T - Wikipedia

    en.wikipedia.org/wiki/History_of_AT&T

    In January 1998, SBC announced it would take over the Southern New England Telephone Company (SNET) for $4.4 billion in stock (the FCC would approve in October 1998). SBC also won a court judgment that would make it easier for RBOCs to enter the long-distance phone service, but it was being challenged by AT&T and the FCC.

  6. Regional Bell Operating Company - Wikipedia

    en.wikipedia.org/wiki/Regional_Bell_Operating...

    A Regional Bell Operating Company (RBOC) was a corporate entity created as result of the antitrust lawsuit by the U.S. Department of Justice against the American Telephone and Telegraph Company (AT&T) in 1974 (United States v. AT&T) and settled in the Modification of Final Judgment on January 8, 1982. AT&T agreed to divest its local exchange ...

  7. AT&T - Wikipedia

    en.wikipedia.org/wiki/AT&T

    The current AT&T Inc. claims the original AT&T Corporation's history (dating to 1877) as its own, [40] but retains SBC's pre-2005 corporate structure and stock price history. As well, all SEC filings before 2005 are under SBC, not AT&T. AT&T made an attempt in 2011 to purchase T-Mobile for a $39 billion stock and cash offer. [41]

  8. BellSouth - Wikipedia

    en.wikipedia.org/wiki/BellSouth

    BellSouth, LLC (stylized as BELLSOUTH and formerly known as BellSouth Corporation) was an American telecommunications holding company based in Atlanta, Georgia.BellSouth was one of the seven original Regional Bell Operating Companies after the U.S. Department of Justice forced the American Telephone & Telegraph Company to divest itself of its regional telephone companies on January 1, 1984.

  9. SBC Telecom - Wikipedia

    en.wikipedia.org/wiki/SBC_Telecom

    SBC Telecom, Inc. d/b/a AT&T Small Business is a CLEC owned by AT&T that offers local telephone service outside the AT&T Bell Operating Company regions. [1] It was formed in 1999 following provisions that required SBC Communications to offer telephone service outside its boundaries in order to get approval to merge with Ameritech .