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: 236

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
509-236 A Edwall-Tyler WA EDWLWAXARS0  2408 CENTURYTEL OF WASHINGTON, INC. DBA CENTURYLINK 676      
509-236 1 Edwall-Tyler WA SPKNWA01XXX  483E ONVOY, LLC - WA 676   2016-02-23   
509-236 2 Edwall-Tyler WA EDWLWAXARS0  2408 CENTURYTEL OF WASHINGTON, INC. DBA CENTURYLINK 676      
509-236 3 Edwall-Tyler WA   483E ONVOY, LLC - WA 676   2022-05-26   
509-236 4 Edwall-Tyler WA SPKNWA01XXX  483E ONVOY, LLC - WA 676   2022-01-09   
509-236 5 Edwall-Tyler WA SPKNWA01XXX  483E ONVOY, LLC - WA 676   2022-01-09   
509-236 7 Edwall-Tyler WA SPKNWA01XXX  483E ONVOY, LLC - WA 676   2008-09-06   
509-236 8 Edwall-Tyler WA   483E ONVOY, LLC - WA 676   2022-08-11   

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.