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Phone Directory 510-581 Detail

State Major City Time Zone
California San Jose Pacific

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
510-581 Hayward, CA Pacific Bell Alameda Landline 02/04/1994

Other Series For Prefixes

510-5810###
510-5811###
510-5812###
510-5813###
510-5814###
510-5815###
510-5816###
510-5817###
510-5818###
510-5819###