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.

OCN: 6121 LEVEL 3 COMMUNICATIONS, LLC - WA

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 >>

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
206-480 2 Seattle WA STTNWAHODSC  674   2017-07-31   
206-480 3 Seattle WA STTNWAHODSC  674   2017-07-31   
206-480 4 Seattle WA STTNWAHODSC  674   2017-07-31   
206-480 5 Seattle WA STTNWAHODSC  674   2017-07-31   
206-489 2 Seattle WA STTNWAHODSC  674   2013-03-23   
206-489 3 Seattle WA STTNWAHODSC  674   2013-03-23   
206-496 0 Seattle WA STTNWAHODSC  674   2013-05-09   
206-501 2 Seattle WA STTNWAHODSC  674   2006-05-08   
206-501 3 Seattle WA STTNWAHODSC  674   2006-05-08   
206-501 4 Seattle WA STTNWAHODSC  674   2006-05-08   
206-506 4 Seattle WA STTNWAHODSC  674   2024-05-02   
206-508 A Seattle WA STTNWAHODSC  674      
206-512 A Seattle WA STTNWAHODSC  674      
206-512 8 Seattle WA STTNWAHODSC  674   2012-04-18   
206-518 9 Seattle WA STTNWAHODSC  674   2007-12-17   
206-529 4 Seattle WA STTNWAHODSC  674   2005-03-03   
206-529 5 Seattle WA STTNWAHODSC  674   2005-03-03   
206-531 A Seattle WA STTNWAHODSC  674      
206-531 2 Seattle WA STTNWAHODSC  674   2018-06-14   
206-535 1 Seattle WA STTNWAHODSC  674   2011-10-06   
206-535 2 Seattle WA STTNWAHODSC  674   2011-10-06   
206-538 2 Seattle WA STTNWAHODSC  674   2011-11-29   
206-557 3 Seattle WA STTNWAHODSC  674   2013-02-09   
206-557 6 Seattle WA STTNWAHODSC  674   2013-05-03   
206-567 9 Vashon WA STTNWAHODSC  674   2006-10-02   
206-569 A Richmond Beach WA   674      
206-569 0 Richmond Beach WA   674      
206-569 1 Richmond Beach WA   674      
206-569 4 Richmond Beach WA STTNWAHODSC  674   2005-12-08   
206-569 5 Richmond Beach WA STTNWAHODSC  674   2005-12-08   
206-569 6 Richmond Beach WA STTNWAHODSC  674   2008-02-20   
206-573 9 Seattle WA STTNWAHODSC  674   2017-07-04   
206-577 A Seattle WA   674      
206-577 0 Seattle WA   674      
206-577 1 Seattle WA   674      
206-577 2 Seattle WA   674      
206-577 3 Seattle WA   674      
206-577 4 Seattle WA STTNWAHODSC  674      
206-577 5 Seattle WA   674      
206-577 6 Seattle WA   674      
206-577 7 Seattle WA   674      
206-577 8 Seattle WA STTNWAHODSC  674      
206-577 9 Seattle WA STTNWAHODSC  674      
206-580 A Seattle WA STTNWAHODSC  674      
206-580 2 Seattle WA STTNWAHODSC  674   2019-12-26   
206-584 A Seattle WA STTNWAHODSC  674      
206-584 2 Seattle WA STTNWAHODSC  674   2019-04-12   
206-602 A Seattle WA STTNWAHODSC  674      
206-602 2 Seattle WA STTNWAHODSC  674   2013-07-08   
206-602 3 Seattle WA STTNWAHODSC  674   2013-07-08   

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 >>

Last updated: Tue, 16 Jun 2026 00:09:45 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.