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.

Switch: STTNWAHODSC

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

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
206-201 2 Bainbridge Island WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2006-05-07   
206-219 A Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
206-219 0 Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
206-219 1 Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
206-219 2 Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
206-219 3 Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
206-219 4 Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
206-219 5 Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
206-219 6 Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
206-219 7 Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
206-219 9 Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
206-225 A Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
206-225 2 Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
206-245 2 Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2004-08-09   
206-257 2 Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2010-05-10   
206-257 3 Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2010-05-10   
206-259 A Vashon WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
206-259 2 Vashon WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2004-11-04   
206-274 A Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
206-289 0 Richmond Beach WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2007-10-29   
206-316 3 Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2010-03-25   
206-319 0 Bainbridge Island WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2005-09-11   
206-319 1 Bainbridge Island WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2005-09-11   
206-319 4 Bainbridge Island WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2005-09-11   
206-319 5 Bainbridge Island WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2008-05-19   
206-326 1 Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2004-11-05   
206-327 6 Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2008-05-19   
206-330 A Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
206-330 0 Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2011-06-11   
206-330 2 Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2004-11-05   
206-331 3 Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2004-03-16   
206-331 4 Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2004-09-14   
206-347 A Bainbridge Island WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
206-347 0 Bainbridge Island WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
206-347 1 Bainbridge Island WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
206-347 3 Bainbridge Island WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
206-347 4 Bainbridge Island WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
206-347 6 Bainbridge Island WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
206-347 7 Bainbridge Island WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
206-347 8 Bainbridge Island WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2013-04-12   
206-347 9 Bainbridge Island WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
206-384 A Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
206-384 4 Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
206-388 2 Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2005-01-28   
206-388 3 Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2004-05-01   
206-388 4 Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2004-05-23   
206-388 5 Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2005-02-09   
206-395 2 Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2010-01-28   
206-395 3 Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2010-02-12   
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   
206-418 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   
206-438 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      
206-480 2 Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2017-07-31   
206-480 3 Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2017-07-31   
206-480 4 Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2017-07-31   
206-480 5 Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2017-07-31   
206-489 2 Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2013-03-23   
206-489 3 Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2013-03-23   
206-496 0 Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2013-05-09   
206-501 2 Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2006-05-08   
206-501 3 Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2006-05-08   
206-501 4 Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2006-05-08   
206-506 4 Seattle WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2024-05-02   

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

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.