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: 890

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
949-890 A Trabuco CA   649C ONVOY, LLC - CA 730   2026-02-08   
949-890 0 Trabuco CA   649C ONVOY, LLC - CA 730   2026-02-08   
949-890 1 Trabuco CA   649C ONVOY, LLC - CA 730   2026-02-08   
949-890 8 Trabuco CA   649C ONVOY, LLC - CA 730   2026-02-23   
949-890 9 Trabuco CA   649C ONVOY, LLC - CA 730   2026-04-11   

Last updated: Sat, 21 Mar 2026 23:53:39 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.