Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: SNGNCA11RS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
415-488 A San Rafael CA 9740 PACIFIC BELL 722      
415-488 0 San Rafael CA 9740 PACIFIC BELL 722      
415-488 1 San Rafael CA 9740 PACIFIC BELL 722      
415-488 4 San Rafael CA 9740 PACIFIC BELL 722      
415-488 9 San Rafael CA 9740 PACIFIC BELL 722      

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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