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Phone Directory 925-230 Detail

State Major City Time Zone
California Oakland Pacific

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Example: (925) 230-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
925-230 San Ramon, CA Level 3 Communications Contra Costa Landline 10/13/1999

Other Series For Prefixes

925-2300###
925-2301###
925-2302###
925-2303###
925-2304###
925-2305###
925-2306###
925-2307###
925-2308###
925-2309###