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Phone Directory 510-300 Detail

State Major City Time Zone
California San Jose Pacific

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
510-300 Hayward, CA U.s. Telepacific Corp. Alameda Landline 08/20/2000

Other Series For Prefixes

510-3000###
510-3001###
510-3002###
510-3003###
510-3004###
510-3005###
510-3006###
510-3007###
510-3008###
510-3009###