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  2. Breakup of the Bell System - Wikipedia

    en.wikipedia.org/wiki/Breakup_of_the_Bell_System

    Post-breakup structure. The breakup of the Bell System resulted in the creation of seven independent companies that were formed from the original twenty-two AT&T-controlled members of the System. [5] On January 1, 1984, these companies were NYNEX, Pacific Telesis, Ameritech, Bell Atlantic, Southwestern Bell Corporation, BellSouth, and US West.

  3. Kingsbury Commitment - Wikipedia

    en.wikipedia.org/wiki/Kingsbury_Commitment

    Faced with a government investigation and a possible suit for antitrust violations, AT&T entered into negotiations that carried on for several months in 1913. [3] The conclusion came in form of a voluntary commitment in form of a letter by AT&T's Vice President Nathan Kingsbury, who secured approval by executives and the government representatives before submittal.

  4. History of AT&T - Wikipedia

    en.wikipedia.org/wiki/History_of_AT&T

    History of AT&T. The history of AT&T dates back to the invention of the telephone. The Bell Telephone Company was established in 1877 by Alexander Graham Bell, who obtained the first US patent for the telephone, and his father-in-law, Gardiner Greene Hubbard. Bell and Hubbard also established American Telephone and Telegraph Company in 1885 ...

  5. United States v. AT&T (1982) - Wikipedia

    en.wikipedia.org/wiki/United_States_v._AT&T_(1982)

    United States v. AT&T, 552 F.Supp. 131 (1982), was a ruling of the United States District Court for the District of Columbia, [1] that led to the 1984 Bell System divestiture, and the breakup of the old AT&T natural monopoly into seven regional Bell operating companies and a much smaller new version of AT&T.

  6. Bell System - Wikipedia

    en.wikipedia.org/wiki/Bell_System

    AT&T (1885–1983) The Bell System was a system of telecommunication companies, led by the Bell Telephone Company and later by the American Telephone and Telegraph Company (AT&T), that dominated the telephone services industry in North America for over 100 years from its creation in 1877 until its antitrust breakup in 1983.

  7. Attempted purchase of T-Mobile USA by AT&T - Wikipedia

    en.wikipedia.org/wiki/Attempted_purchase_of_T...

    On March 20, 2011, Deutsche Telekom AG accepted a US$39 billion stock and cash purchase offer from AT&T Inc. for T-Mobile USA, Inc. According to an industry analyst, after the introduction of the iPhone in 2007, T-Mobile USA began to lose lucrative contract customers, dropping to 78.3 percent of subscribers in 2010, compared to 85% in 2006.

  8. 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 ...

  9. AT&T Information Systems - Wikipedia

    en.wikipedia.org/wiki/AT&T_Information_Systems

    AT&T Information Systems. AT&T Information Systems (ATTIS), originally known as American Bell, was the fully separate subsidiary of American Telephone & Telegraph Company (AT&T) which focused on computer technology ventures and telephone sales, and other unregulated business. It was one of the three core units of AT&T formed after the breakup ...