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Phone Directory 510-803 Detail

State Major City Time Zone
California San Jose Pacific

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
510-803 Hercules, CA Xo California Contra Costa Landline 10/13/1999

Other Series For Prefixes

510-8030###
510-8031###
510-8032###
510-8033###
510-8034###
510-8035###
510-8036###
510-8037###
510-8038###
510-8039###