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: SJCPCA12DS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
949-234 A Capistrano Valley CA 9740 PACIFIC BELL 730      
949-240 A Capistrano Valley CA 9740 PACIFIC BELL 730      
949-248 A Capistrano Valley CA 9740 PACIFIC BELL 730      
949-276 A Capistrano Valley CA 9740 PACIFIC BELL 730      
949-443 A Capistrano Valley CA 9740 PACIFIC BELL 730      
949-487 A Capistrano Valley CA 9740 PACIFIC BELL 730      
949-488 A Capistrano Valley CA 9740 PACIFIC BELL 730      
949-489 A Capistrano Valley CA 9740 PACIFIC BELL 730      
949-493 A Capistrano Valley CA 9740 PACIFIC BELL 730      
949-496 A Capistrano Valley CA 9740 PACIFIC BELL 730      
949-661 A Capistrano Valley CA 9740 PACIFIC BELL 730      
949-728 A Rancho Viejo CA 9740 PACIFIC BELL 730      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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