Pacific Bell

==Pacific Telephone and Telegraph Company==
===1906–1908===
===1908–1921===
===1921–1939===
===1939–1948===
===1948–1951===
==Pacific Telephone==
===1951–1964===
===1964–1969===
===1969–1984===
==Pacific Bell==
===1984–1997===
===1997–2001===
===2001–2005===
It was discontinued in 2005 and replaced by AT&T.
Category:Telecommunications
Category:Defunct
Category:San Francisco
Category:California
Category:AT&T
Category:1891
Category:1984