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Phone Directory 510-725 Detail

State Major City Time Zone
California San Jose Pacific

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Example: (510) 725-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
510-725 Walnut Creek, CA Tw Telecom Of California Lp Contra Costa Landline 11/20/1998

Other Series For Prefixes

510-7250###
510-7251###
510-7252###
510-7253###
510-7254###
510-7255###
510-7256###
510-7257###
510-7258###
510-7259###