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: 369 [Rate centres in NPA 369] [Dial plan for NPA 369]

NXX: 333

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
369-333 A Loleta CA   649C ONVOY, LLC - CA 722   2026-02-17   
369-333 0 Loleta CA   649C ONVOY, LLC - CA 722   2026-02-17   
369-333 1 Loleta CA   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2026-04-19   
369-333 3 Loleta CA   649C ONVOY, LLC - CA 722   2026-02-17   
369-333 4 Loleta CA   145J TERRA NOVA TELECOM INC. 722   2026-02-18   

Last updated: Tue, 31 Mar 2026 13:56:49 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.