Pacific Bell
（重定向自PacBell）
![](/Images/godic/202501/31/PacTel_Bell_System_logo5430.png"){kind=logo}
![PacBell Building, San Francisco](/Images/godic/202501/31/PacBell_Building,_San_Francisco5430.jpg")
![Pacific Bell telephone booth](/Images/godic/202501/31/Pacific_Bell_telephone_booth5430.jpg")
Pacific Bell Telephone Company (Pacific Bell) provides telephone service in California. The company is owned by AT&T Inc. through AT&T Teleholdings. The company has been known by a number of names during which its service area has changed. The formal name of the company from the 1910s through the 1984 Bell System divestiture was The Pacific Telephone and Telegraph Company. The name “Pacific Bell” is no longer commonly used.