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Phone Directory 925-452 Detail

State Major City Time Zone
California Oakland Pacific

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Example: (925) 452-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
925-452 San Ramon, CA U.s. Telepacific Corp. Contra Costa Landline 08/20/2000

Other Series For Prefixes

925-4520###
925-4521###
925-4522###
925-4523###
925-4524###
925-4525###
925-4526###
925-4527###
925-4528###
925-4529###