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Phone Directory 510-240 Detail

State Major City Time Zone
California San Jose Pacific

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
510-240 Union City, CA Tw Telecom Of California Lp Alameda Landline 05/10/1999

Other Series For Prefixes

510-2400###
510-2401###
510-2402###
510-2403###
510-2404###
510-2405###
510-2406###
510-2407###
510-2408###
510-2409###