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.

NPA: 949 [Rate centres in NPA 949] [Dial plan for NPA 949]

NXX: 883

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
949-883 A Capistrano Valley CA   6529 T-MOBILE USA, INC. 730   2025-11-21   
949-883 8 Capistrano Valley CA   6529 T-MOBILE USA, INC. 730   2025-11-21   
949-883 9 Capistrano Valley CA   6529 T-MOBILE USA, INC. 730   2025-11-21   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.