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.

Switch: KENTWAAUDS1

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
206-249 A Des Moines WA 4131 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 674      
206-432 A Seattle WA 4131 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 674   2008-12-06   
425-352 A Bothell WA 4131 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 674      
425-877 A Bothell WA 4131 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 674      

Last updated: Sat, 09 Mar 2019 02:16:03 UTC

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