Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
206-603 4 Vashon WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2025-01-05   
206-607 6 Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2006-12-08   
206-607 8 Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2006-12-08   
206-607 9 Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2006-12-08   
206-620 5 Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2017-07-01   
206-620 6 Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2017-07-01   
206-620 7 Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2017-07-01   
206-620 8 Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2017-07-01   
206-620 9 Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2017-07-01   
206-629 2 Richmond Beach WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2008-05-16   
206-641 9 Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2012-02-12   
206-646 A Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
206-646 0 Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2016-10-09   
206-646 1 Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2016-10-09   
206-646 2 Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2016-10-09   
206-646 3 Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2016-10-09   
206-646 4 Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2016-10-09   
206-646 5 Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2016-10-09   
206-646 6 Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2016-10-09   
206-646 7 Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2016-10-09   
206-646 8 Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2016-10-09   
206-646 9 Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2016-10-09   
206-653 A Des Moines WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
206-653 0 Des Moines WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
206-653 1 Des Moines WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
206-653 2 Des Moines WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
206-653 3 Des Moines WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
206-653 8 Des Moines WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
206-653 9 Des Moines WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
206-673 A Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
206-673 2 Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2011-01-03   
206-673 3 Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2011-01-03   
206-673 4 Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2011-05-01   
206-673 5 Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2011-05-01   
206-686 A Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
206-688 A Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
206-688 2 Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2019-06-13   
206-688 3 Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2019-06-13   
206-699 4 Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2024-11-18   
206-699 5 Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2024-11-18   
206-699 6 Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2024-11-19   
206-701 6 Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2006-12-08   
206-701 7 Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2006-12-08   
206-701 9 Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2006-12-08   
206-702 A Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
206-702 2 Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2017-12-15   
206-703 5 Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2022-06-08   
206-707 8 Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2010-03-05   
206-707 9 Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2010-03-05   
206-709 5 Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2005-05-08   

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

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