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Phone Directory 510-940 Detail

State Major City Time Zone
California San Jose Pacific

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
510-940 Hayward, CA Mpower Communications Corp Alameda Landline 08/20/2000

Other Series For Prefixes

510-9400###
510-9401###
510-9402###
510-9403###
510-9404###
510-9405###
510-9406###
510-9407###
510-9408###
510-9409###