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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
360-464 4 Olympia WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2002-05-06   
360-464 9 Olympia WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2006-09-08   
360-467 A Snohomish WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
360-467 4 Snohomish WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
360-474 2 Marysville WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2005-01-02   
360-474 4 Marysville WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2002-05-06   
360-474 5 Marysville WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2005-02-16   
360-483 A Whatcom County WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
360-483 0 Whatcom County WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
360-483 2 Whatcom County WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2003-09-13   
360-483 4 Whatcom County WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2005-11-05   
360-483 5 Whatcom County WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2006-01-08   
360-488 A Mount Vernon WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
360-488 2 Mount Vernon WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2013-05-04   
360-492 1 Morton WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2009-12-06   
360-504 A Port Angeles WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
360-504 0 Port Angeles WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
360-504 1 Port Angeles WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
360-504 5 Port Angeles WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
360-504 9 Port Angeles WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
360-512 A Snohomish WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
360-512 3 Snohomish WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
360-529 A Olympia WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
360-529 3 Olympia WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2010-11-30   
360-529 4 Olympia WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2011-06-05   
360-529 5 Olympia WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2011-06-05   
360-536 4 Silverdale WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2002-06-28   
360-539 A Olympia WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
360-539 0 Olympia WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
360-539 1 Olympia WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
360-539 2 Olympia WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
360-539 4 Olympia WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
360-539 5 Olympia WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
360-539 6 Olympia WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
360-539 8 Olympia WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
360-539 9 Olympia WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
360-542 1 Mount Vernon WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
360-542 2 Mount Vernon WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
360-542 3 Mount Vernon WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
360-542 5 Mount Vernon WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
360-542 7 Mount Vernon WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
360-542 8 Mount Vernon WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
360-542 9 Mount Vernon WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
360-543 A Whatcom County WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
360-543 0 Whatcom County WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
360-543 5 Whatcom County WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
360-543 7 Whatcom County WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
360-543 8 Whatcom County WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2015-08-09   
360-543 9 Whatcom County WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
360-544 A Oak Harbor WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      

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Last updated: Sun, 17 May 2026 03:26:51 UTC

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