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  2. Pacific Northwest Bell - Wikipedia

    en.wikipedia.org/wiki/Pacific_Northwest_Bell

    Pacific Northwest Bell Telephone Company was an AT&T majority-owned Bell System company that provided local telecommunications services in Oregon, Washington, and northern Idaho. Pacific Northwest Bell Telephone Company was formed on July 1, 1961 when it was spun off from the Pacific Telephone and Telegraph Company .

  3. Breakup of the Bell System - Wikipedia

    en.wikipedia.org/wiki/Breakup_of_the_Bell_System

    US West. The breakup of the Bell System was mandated on January 8, 1982, by a consent decree providing that AT&T Corporation would, as had been initially proposed by AT&T, relinquish control of the Bell Operating Companies, which had provided local telephone service in the United States. [1] This effectively took the monopoly that was the Bell ...

  4. Wisconsin Bell - Wikipedia

    en.wikipedia.org/wiki/Wisconsin_Bell

    Wisconsin Bell, Inc. (known as Wisconsin Telephone Co. before 1984) is the name of the Bell Operating Company serving Wisconsin. It is owned by AT&T through AT&T Teleholdings, originally known as Ameritech. Wisconsin Telephone logo, 1921–1939. Their headquarters is at 722 North Broadway, Milwaukee, WI.

  5. Michigan Bell - Wikipedia

    en.wikipedia.org/wiki/Michigan_Bell

    Michigan Bell is the subsidiary of AT&T serving the state of Michigan. Following the Bell System divestiture on January 8, 1984, the company became a subsidiary of Ameritech, the Regional Bell operating company that served the midwestern United States. Ameritech was subsequently acquired by SBC Communications, which later changed its name to AT&T .

  6. GTE - Wikipedia

    en.wikipedia.org/wiki/GTE

    GTE.com. GTE Corporation, formerly General Telephone & Electronics Corporation (1955–1982), [1] was the largest independent telephone company in the United States during the days of the Bell System. The company operated from 1926, with roots tracing further back than that, until 2000, when it was acquired by Bell Atlantic; the combined ...

  7. Bell Labs - Wikipedia

    en.wikipedia.org/wiki/Bell_Labs

    Origin and historical locations Bell's personal research after the telephone Bell's 1893 Volta Bureau building in Washington, D.C.. In 1880, when the French government awarded Alexander Graham Bell the Volta Prize of 50,000 francs for the invention of the telephone (equivalent to about US$10,000 at the time, or about $330,000 now), he used the award to fund the Volta Laboratory (also known as ...

  8. History of the telephone - Wikipedia

    en.wikipedia.org/wiki/History_of_the_telephone

    Alexander Graham Bell was awarded the first U.S. patent for the invention of the telephone in 1876. Elisha Gray, 1876, designed a telephone using a water microphone in Highland Park, Illinois. Tivadar Puskás proposed the telephone switchboard exchange in 1876. Thomas Edison invented the carbon microphone which produced a strong telephone ...

  9. 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.

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