Pacific Bell (company)
Pacific Bell was a telephone company operating in California, Earth in the late 20th century. 

In 1986, the company published a register called Yellow Pages, which listed all businesses and government entities in a certain area. An advertisement for this was seen by Scotty, Sulu, and McCoy in San Francisco. 

They also owned phone booths in the area. ()

See also
Bell System
NYNEX

External link
 

fr:Pacific Bell
de:Pacific Bell
Earth establishments