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Phone Directory 510-669 Detail

State Major City Time Zone
California San Jose Pacific

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
510-669 El Sobrante, CA Pacific Bell Contra Costa Landline 02/04/1994

Other Series For Prefixes

510-6690###
510-6691###
510-6692###
510-6693###
510-6694###
510-6695###
510-6696###
510-6697###
510-6698###
510-6699###