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Phone Directory 510-254 Detail

State Major City Time Zone
California San Jose Pacific

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Example: (510) 254-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
510-254 San Francisco, CA Level 3 Communications San Francisco Landline 09/15/2011

Other Series For Prefixes

510-2540###
510-2541###
510-2542###
510-2543###
510-2544###
510-2545###
510-2546###
510-2547###
510-2548###
510-2549###