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: 206 [Rate centres in NPA 206] [Dial plan for NPA 206]

NXX: 249

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
206-249 A Des Moines WA TKWLWAZSPS0  7173 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 674      
206-249 0 Des Moines WA TKWLWAZSPS0  7173 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 674      
206-249 1 Des Moines WA STTLWA060MD  5562 METROPCS, INC. 674   2007-07-06   
206-249 2 Des Moines WA STTLWA060MD  5562 METROPCS, INC. 674   2007-07-06   
206-249 3 Des Moines WA PLSBWAXXX0X  6010 NEW CINGULAR WIRELESS PCS, LLC 674   2008-05-22   
206-249 4 Des Moines WA STTLWAWBDS1  483E ONVOY, LLC - WA 674   2009-07-30   
206-249 5 Des Moines WA PLSBWAXXX0X  6010 NEW CINGULAR WIRELESS PCS, LLC 674   2014-10-24   
206-249 6 Des Moines WA PLSBWAXXX0X  6010 NEW CINGULAR WIRELESS PCS, LLC 674   2009-12-23   
206-249 7 Des Moines WA STTLWAWBX7Z  006F BANDWIDTH.COM CLEC, LLC - WA 674   2010-11-13   
206-249 8 Des Moines WA STTLWA03X1X  318J COMCAST IP PHONE, LLC 674   2007-10-14   
206-249 9 Des Moines WA STTLWAWBX7Z  006F BANDWIDTH.COM CLEC, LLC - WA 674   2010-11-13   

Last updated: Mon, 15 Sep 2025 02:24:40 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.