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Phone Directory 510-253 Detail

State Major City Time Zone
California San Jose Pacific

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
510-253 Richmond, CA Tw Telecom Of California Lp Contra Costa Landline 10/13/1999

Other Series For Prefixes

510-2530###
510-2531###
510-2532###
510-2533###
510-2534###
510-2535###
510-2536###
510-2537###
510-2538###
510-2539###