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Phone Directory 510-731 Detail

State Major City Time Zone
California San Jose Pacific

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
510-731 Hayward, CA Mci Worldcom Communications, Ca Alameda Landline 04/15/1996

Other Series For Prefixes

510-7310###
510-7311###
510-7312###
510-7313###
510-7314###
510-7315###
510-7316###
510-7317###
510-7318###
510-7319###