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: EVRTWAXAXPX

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
206-460 6 Des Moines WA 707G WIDE VOICE, LLC - WA 674   2016-05-21   
425-426 A Everett WA 707G WIDE VOICE, LLC - WA 674      
425-426 1 Everett WA 707G WIDE VOICE, LLC - WA 674   2016-03-12   

Last updated: Mon, 15 Sep 2025 02:24:40 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.