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Phone Directory 925-380 Detail

State Major City Time Zone
California Oakland Pacific

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Example: (925) 380-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
925-380 San Ramon, CA Level 3 Communications Contra Costa Landline 06/30/2001

Other Series For Prefixes

925-3800###
925-3801###
925-3802###
925-3803###
925-3804###
925-3805###
925-3806###
925-3807###
925-3808###
925-3809###