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: 419

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
509-419 A Colville WA SPKNWA01XIY  506J TWILIO INTERNATIONAL, INC. 676      
509-419 0 Colville WA SPKNWADZ4MD  939H COMMIO, LLC 676   2022-07-23   
509-419 4 Colville WA SPKNWA01XIY  506J TWILIO INTERNATIONAL, INC. 676   2021-12-09   
509-419 8 Colville WA MLWDWAAA2MD  6010 NEW CINGULAR WIRELESS PCS, LLC 676   2023-11-13   
509-419 9 Colville WA MLWDWAAA2MD  6010 NEW CINGULAR WIRELESS PCS, LLC 676   2022-08-28   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.