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: 509 [Rate centres in NPA 509] [Dial plan for NPA 509]

NXX: 649

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
509-649 A Roslyn WA RSLNWAXXCG0  2423 INLAND TEL CO 676      

Last updated: Thu, 04 Aug 2022 23:14:42 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.