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.

Curlew, WA

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
509-779 A CRLWWAXARS1  4423 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 676      
509-779 0 CRLWWAXARS1  4423 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 676      
509-779 1 SPKNWA01XXX  483E ONVOY, LLC - WA 676      
509-779 2 SPKNWA01XUX  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 676      
509-779 4 CRLWWAXARS1  4423 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 676      
509-779 5 SPKNWAOBDS1  663D ELTOPIA COMMUNICATIONS, LLC - WA 676      
509-779 6 SPKNWA01XXX  483E ONVOY, LLC - WA 676      
509-779 7 YAKMWAWE7MD  508J CENTURYLINK COMMUNICATIONS, LLC 676      
509-779 8 SPKNWA01XXX  483E ONVOY, LLC - WA 676      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.