Telephone Central Office Building Pictures
Central Office buildings house the telephone switching equipment of landline telephones throughout the country. This is a collection of central office buildings throughout the United States and elsewhere.
Central Office
Buildings
Southwestern States
List of Central Office Buildings in the Southwestern states (former Pacific Telesis territory).
Total for this region: 65
California (60)
Area Code 323 (1)
Area Code 562 (3)
Area Code 619 (25)
Area Code 714 (13)
Area Code 858 (10)
Area Code 949 (7)
Area Code 951 (1)
Hawaii (5)
Area Code 808 (5)
Nevada (0)
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