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: LSANCARCY7X

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
747-315 A San Fernando: San Fernando DA CA 495J STRATUS NETWORKS 730      
747-315 1 San Fernando: San Fernando DA CA 495J STRATUS NETWORKS 730   2021-07-24   
949-670 A Capistrano Valley CA 495J STRATUS NETWORKS 730      
949-670 1 Capistrano Valley CA 495J STRATUS NETWORKS 730   2021-05-11   
949-822 0 Irvine CA 495J STRATUS NETWORKS 730   2021-04-10   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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