Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 510 [Rate centres in NPA 510] [Dial plan for NPA 510]

NXX: 620

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
510-620 A Richmond CA RCMDCA11DS0  9740 PACIFIC BELL 722      
510-620 0 Richmond CA RCMDCA11DS0  9740 PACIFIC BELL 722      
510-620 1 Richmond CA RCMDCA11DS0  9740 PACIFIC BELL 722      
510-620 2 Richmond CA RCMDCA11DS0  9740 PACIFIC BELL 722      
510-620 3 Richmond CA RCMDCA11DS0  9740 PACIFIC BELL 722      
510-620 4 Richmond CA SNFCCA01GT0  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
510-620 5 Richmond CA RCMDCA11DS0  9740 PACIFIC BELL 722      
510-620 6 Richmond CA RCMDCA11DS0  9740 PACIFIC BELL 722      
510-620 7 Richmond CA SNFCCAMKX1X  9262 UTILITY TELECOM GROUP, LLC - CA 722      
510-620 8 Richmond CA RCMDCA11DS0  9740 PACIFIC BELL 722      
510-620 9 Richmond CA RCMDCA11DS0  9740 PACIFIC BELL 722      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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