# Pacific Telesis One of the seven [[wiki/Regional Bell Operating Companies|Regional Bell Operating Companies]] created in 1984, serving California and Nevada. Acquired by [[wiki/SBC Communications|SBC Communications]] in 1997, becoming part of the reconsolidated [[wiki/AT&T|AT&T]]. Documented in [[articles/Bell Labs and the Distributed Architecture of American Power|Bell Labs and the Distributed Architecture of American Power]].