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: 658

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
509-658 A Nile WA NILEWAXXRS0  4423 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 676      
509-658 0 Nile WA   145J TERRA NOVA TELECOM INC. 676   2025-07-19   
509-658 1 Nile WA   4423 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 676      
509-658 2 Nile WA   4423 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 676      
509-658 3 Nile WA   483E ONVOY, LLC - WA 676   2016-02-23   
509-658 6 Nile WA   483E ONVOY, LLC - WA 676   2021-06-27   
509-658 7 Nile WA   483E ONVOY, LLC - WA 676   2007-04-20   
509-658 8 Nile WA   6121 LEVEL 3 COMMUNICATIONS, LLC - WA 676   2015-01-23   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.