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Phone Directory 510-278 Detail

State Major City Time Zone
California San Jose Pacific

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
510-278 Hayward, CA Pacific Bell Alameda Landline 02/04/1994

Other Series For Prefixes

510-2780###
510-2781###
510-2782###
510-2783###
510-2784###
510-2785###
510-2786###
510-2787###
510-2788###
510-2789###