One of the original 7 local exchange companies formed from the breakup of AT&T: NYNEX, Bell Atlantic, BellSouth, Southwestern Bell, Pacific Bell, US West and Ameritec. See also RBOC.
(from the article `Sherman Antitrust Act`) ...the 20th century was the 1984 breakup of the American Telephone & Telegraph Company, which left the parent company, AT&T, as a provider of ... ...Technologies, Inc.), BellSouth, Southwestern Bell Corporation, US West, and Pacific Telesis Group. AT&T relinquished the use of the na...Found on http://www.britannica.com/eb/a-z/b/2
No exact match found