Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Switch: SNMACA11RS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
408-681 A San Martin CA 9740 PACIFIC BELL 722      
408-681 0 San Martin CA 9740 PACIFIC BELL 722      
408-681 1 San Martin CA 9740 PACIFIC BELL 722      
408-681 2 San Martin CA 9740 PACIFIC BELL 722      
408-681 3 San Martin CA 9740 PACIFIC BELL 722      
408-681 4 San Martin CA 9740 PACIFIC BELL 722      
408-681 5 San Martin CA 9740 PACIFIC BELL 722      
408-681 6 San Martin CA 9740 PACIFIC BELL 722      
408-681 7 San Martin CA 9740 PACIFIC BELL 722      
408-682 A San Martin CA 9740 PACIFIC BELL 722      
408-682 1 San Martin CA 9740 PACIFIC BELL 722      
408-682 2 San Martin CA 9740 PACIFIC BELL 722      
408-682 3 San Martin CA 9740 PACIFIC BELL 722      
408-682 4 San Martin CA 9740 PACIFIC BELL 722      
408-682 5 San Martin CA 9740 PACIFIC BELL 722      
408-682 6 San Martin CA 9740 PACIFIC BELL 722      
408-682 7 San Martin CA 9740 PACIFIC BELL 722      
408-682 8 San Martin CA 9740 PACIFIC BELL 722      
408-682 9 San Martin CA 9740 PACIFIC BELL 722      
408-683 A San Martin CA 9740 PACIFIC BELL 722      
408-683 0 San Martin CA 9740 PACIFIC BELL 722      
408-683 1 San Martin CA 9740 PACIFIC BELL 722      
408-683 2 San Martin CA 9740 PACIFIC BELL 722      
408-683 3 San Martin CA 9740 PACIFIC BELL 722      
408-683 4 San Martin CA 9740 PACIFIC BELL 722      
408-683 5 San Martin CA 9740 PACIFIC BELL 722      
408-683 6 San Martin CA 9740 PACIFIC BELL 722      
408-683 7 San Martin CA 9740 PACIFIC BELL 722      
408-683 8 San Martin CA 9740 PACIFIC BELL 722      
408-686 A San Martin CA 9740 PACIFIC BELL 722      
408-686 0 San Martin CA 9740 PACIFIC BELL 722      
408-686 1 San Martin CA 9740 PACIFIC BELL 722      
408-686 3 San Martin CA 9740 PACIFIC BELL 722      
408-686 5 San Martin CA 9740 PACIFIC BELL 722      
408-686 6 San Martin CA 9740 PACIFIC BELL 722      
408-686 7 San Martin CA 9740 PACIFIC BELL 722      
408-686 8 San Martin CA 9740 PACIFIC BELL 722      
408-695 A San Martin CA 9740 PACIFIC BELL 722      
408-695 0 San Martin CA 9740 PACIFIC BELL 722      
408-695 4 San Martin CA 9740 PACIFIC BELL 722      
408-695 5 San Martin CA 9740 PACIFIC BELL 722      
408-695 6 San Martin CA 9740 PACIFIC BELL 722      
408-695 7 San Martin CA 9740 PACIFIC BELL 722      
408-695 8 San Martin CA 9740 PACIFIC BELL 722      
408-695 9 San Martin CA 9740 PACIFIC BELL 722      

Last updated: Fri, 25 Jul 2025 03:21:23 UTC

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