The history of the telephone exchange names in Pittsburgh, as in most significant United States cities, can be divided into three periods:
Currently, only data immediately prior to, and immediately subsequent to,
the 1949 transition are available. As more data become processed, they will
be added to this site, but links to the other places in the table below are
not yet functional.
|Pittsburgh metropolitan area:|
|Metropolitan Pittsburgh main page|
|Main page of Pittsburgh city data||Main page of Pittsburgh suburban data|
|Chronological periods of Pittsburgh city data:||Chronological periods of the Pittsburgh suburban data:|
|Pre-dial period||Early dial period||Late dial period||Pre-dial period||Early dial period||Late dial period|
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Last modified April 15, 2011.