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Phone Directory 650-378 Detail

State Major City Time Zone
California San Jose Pacific

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Example: (650) 378-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
650-378 San Mateo, CA Pacific Bell San Mateo Landline 07/06/1997

Other Series For Prefixes

650-3780###
650-3781###
650-3782###
650-3783###
650-3784###
650-3785###
650-3786###
650-3787###
650-3788###
650-3789###