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Phone Directory 925-391 Detail

State Major City Time Zone
California Oakland Pacific

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
925-391 Concord, CA Level 3 Communications Contra Costa Landline 11/25/2013

Other Series For Prefixes

925-3910###
925-3911###
925-3912###
925-3913###
925-3914###
925-3915###
925-3916###
925-3917###
925-3918###
925-3919###