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.

Bothell, WA

<< 1 2 3 4 5 6 7 8 9 10

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
425-951 7   7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674      
425-951 8   7173 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 674   2014-03-17   
425-951 9   6529 T-MOBILE USA, INC. 674   2012-10-21   
425-984 A TKWLWAZSPS0  7173 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 674      
425-984 0   483E ONVOY, LLC - WA 674      
425-984 1   483E ONVOY, LLC - WA 674      
425-984 2   7173 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 674      
425-984 3   5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2014-02-10   
425-984 4   6010 NEW CINGULAR WIRELESS PCS, LLC 674   2005-12-16   
425-984 5   483E ONVOY, LLC - WA 674   2011-09-11   
425-984 6   7173 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 674      
425-984 7   483E ONVOY, LLC - WA 674      
425-984 8   483E ONVOY, LLC - WA 674      
425-984 9   6529 T-MOBILE USA, INC. 674   2018-10-29   

<< 1 2 3 4 5 6 7 8 9 10

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.