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Phone Directory 510-620 Detail

State Major City Time Zone
California San Jose Pacific

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
510-620 Richmond, CA Pacific Bell Contra Costa Landline 02/04/1994

Other Series For Prefixes

510-6200###
510-6201###
510-6202###
510-6203###
510-6204###
510-6205###
510-6206###
510-6207###
510-6208###
510-6209###