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: TKWLWAZSDS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
206-805 6 Seattle WA 7173 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 674      
253-344 5 Tacoma-Waverly WA 7173 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 674      
253-446 4 Puyallup WA 7173 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 674   2003-04-29   
253-592 6 Tacoma WA 7173 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 674      
360-338 4 Olympia WA 7173 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 674   2011-12-26   
425-977 2 Halls Lake WA 7173 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 674      

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.