Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 408 [Rate centres in NPA 408] [Dial plan for NPA 408]

NXX: 683

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
408-683 A San Martin CA SNMACA11RS0  9740 PACIFIC BELL 722      
408-683 0 San Martin CA SNMACA11RS0  9740 PACIFIC BELL 722      
408-683 1 San Martin CA SNMACA11RS0  9740 PACIFIC BELL 722      
408-683 2 San Martin CA SNMACA11RS0  9740 PACIFIC BELL 722      
408-683 3 San Martin CA SNMACA11RS0  9740 PACIFIC BELL 722      
408-683 4 San Martin CA SNMACA11RS0  9740 PACIFIC BELL 722      
408-683 5 San Martin CA SNMACA11RS0  9740 PACIFIC BELL 722      
408-683 6 San Martin CA SNMACA11RS0  9740 PACIFIC BELL 722      
408-683 7 San Martin CA SNMACA11RS0  9740 PACIFIC BELL 722      
408-683 8 San Martin CA SNMACA11RS0  9740 PACIFIC BELL 722      
408-683 9 San Martin CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2020-12-05   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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