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: 415 [Rate centres in NPA 415] [Dial plan for NPA 415]

NXX: 251

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
415-251 A Ignacio CA   649C ONVOY, LLC - CA 722   2025-01-12   
415-251 0 Ignacio CA   649C ONVOY, LLC - CA 722      
415-251 1 Ignacio CA   649C ONVOY, LLC - CA 722      
415-251 2 Ignacio CA   649C ONVOY, LLC - CA 722      
415-251 3 Ignacio CA   649C ONVOY, LLC - CA 722      
415-251 4 Ignacio CA   649C ONVOY, LLC - CA 722      
415-251 5 Ignacio CA   649C ONVOY, LLC - CA 722      
415-251 6 Ignacio CA   649C ONVOY, LLC - CA 722      
415-251 7 Ignacio CA   649C ONVOY, LLC - CA 722      
415-251 8 Ignacio CA   649C ONVOY, LLC - CA 722      
415-251 9 Ignacio CA   649C ONVOY, LLC - CA 722      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.