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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
206-407 3 Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2004-05-01   
206-408 2 Vashon WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2012-03-11   
206-413 4 Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2016-03-24   
206-418 6 Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2005-08-22   
206-428 3 Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2006-06-08   
206-428 6 Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2005-05-08   
206-428 7 Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2006-06-08   
206-430 1 Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2011-01-06   
206-435 0 Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2014-01-04   
206-435 1 Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2014-01-04   
206-435 2 Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2014-01-04   
206-435 3 Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2014-01-04   
206-435 4 Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2014-01-04   
206-435 5 Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2014-01-04   
206-435 6 Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2014-01-04   
206-435 8 Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2014-01-04   
206-435 9 Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2014-01-04   
206-438 3 Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2006-06-11   
206-438 4 Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2006-06-11   
206-438 9 Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2006-06-11   
206-445 0 Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2009-10-08   
206-445 6 Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2015-08-09   
206-452 A Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
206-452 0 Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2008-06-29   
206-452 1 Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2008-06-30   
206-452 2 Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2008-06-30   
206-452 3 Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2008-06-30   
206-452 4 Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2008-06-30   
206-452 5 Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2008-06-30   
206-452 6 Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2008-06-30   
206-452 7 Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2008-06-30   
206-453 0 Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2007-10-08   
206-453 1 Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2007-10-08   
206-453 2 Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2007-10-29   
206-453 6 Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2008-06-30   
206-455 A Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
206-455 2 Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2008-06-17   
206-455 6 Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2008-06-25   
206-455 7 Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2008-06-25   
206-455 8 Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2008-06-25   
206-455 9 Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2008-06-25   
206-456 A Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
206-456 4 Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2010-10-06   
206-456 6 Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2010-10-06   
206-462 2 Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2007-11-23   
206-462 3 Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2007-11-23   
206-462 4 Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2007-11-23   
206-462 5 Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2007-11-23   
206-471 6 Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2015-08-09   
206-480 A Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      

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Last updated: Sat, 01 Aug 2026 03:19:33 UTC

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