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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.
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. NYNEX, merged with Bell ...
Bell System. 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.
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, which acquired the ...
The Southwestern Bell Building is a 28-story, 121.0 m (397.0 ft) skyscraper constructed to be the headquarters of Southwestern Bell Telephone in downtown St. Louis, Missouri. At the time of its construction it was Missouri's tallest building. The building, which was one of the first in St. Louis to use setbacks, has 17 individual roofs. [5]
Southwestern Bell Mobile Systems, Inc. was a wireless telephone company. It was created in 1984 as a split-off of Advanced Mobile Phone Service, the original wireless subsidiary of the Bell System. It was a division of Southwestern Bell Corporation . It continued to operate as Southwestern Bell Mobile Systems until 2000, when SBC Communications ...
The Bell Telephone Building, located at 920 Olive Street in downtown St. Louis, Missouri, was built in 1889 for the purposes of housing the switchboard and local headquarters of the Bell Telephone Company. [1] The building served as the main telephone exchange for St. Louis from its construction until 1926, and it is the oldest extant telephone ...
Southwestern Bell Corporation. US West. 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.