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Phone Directory 510-860 Detail

State Major City Time Zone
California San Jose Pacific

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
510-860 Richmond, CA Level 3 Communications Contra Costa Landline 02/04/1994

Other Series For Prefixes

510-8600###
510-8601###
510-8602###
510-8603###
510-8604###
510-8605###
510-8606###
510-8607###
510-8608###
510-8609###