Pacific Bell
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The Pacific Bell Telephone Company doing business as AT&T California is a telephone company that provides telephone service in California. The company is owned by AT&T through AT&T Teleholdings, and,
Pacific Telephone logo used from 1908 to 1921
Pacific Telephone and Telegraph Co. service crew, Feb. 1921
Pacific Telephone "Call Before You Dig" notice (pre-1984 version)
PacBell Building, San Francisco
Bell System
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The Bell System was a system of telecommunication companies, led by the Bell Telephone Company and later by the American Telephone and Telegraph Company, that dominated the telephone services industry
Pacific Bell
…for the infrastructure of cables and fiber through much of California. The Pacific Telephone and Telegraph Company, or "PacTel" for short, managed the Bell System's telephone operations in California. It grew by acquiring smaller telephone companies along the Pacific coast. It built and occupied San Francisco's…
1912 Bell System advertisement promoting its slogan for universal service
195 Broadway, AT&T headquarters for most of the 20th century
The Spirit of Communication as used on the Bell System's directories in the 1930s and 1940s
Manhole cover with Bell System logo