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
360-850 A Bremerton WA STTNWAHODSC  674      
360-850 1 Bremerton WA STTNWAHODSC  674      
360-851 1 Black Diamond WA STTNWAHODSC  674   2006-01-28   
360-851 4 Black Diamond WA STTNWAHODSC  674   2004-06-05   
360-853 2 Mount Vernon WA STTNWAHODSC  674   2006-02-27   
360-855 7 Mount Vernon WA STTNWAHODSC  674   2004-02-09   
360-857 A Ridgefield WA PTLGORIA7MD  672      
360-857 4 Ridgefield WA PTLGORIA7MD  672      
360-859 A Vancouver WA PTLGORIA7MD  672      
360-859 0 Vancouver WA PTLGORIA7MD  672      
360-859 1 Vancouver WA PTLGORIA7MD  672      
360-859 2 Vancouver WA PTLGORIA7MD  672      
360-859 4 Vancouver WA PTLGORIA7MD  672      
360-859 5 Vancouver WA PTLGORIA7MD  672      
360-859 8 Vancouver WA PTLGORIA7MD  672      
360-859 9 Vancouver WA PTLGORIA7MD  672      
360-861 4 Elma WA STTNWAHODSC  674   2004-06-05   
360-868 A Shelton WA STTNWAHODSC  674      
360-868 4 Shelton WA STTNWAHODSC  674   2002-06-28   
360-868 5 Shelton WA STTNWAHODSC  674   2005-04-03   
360-868 6 Shelton WA STTNWAHODSC  674   2005-04-03   
360-872 4 Orting WA STTNWAHODSC  674   2013-12-27   
360-875 2 South Bend WA STTNWAHODSC  674   2020-06-28   
360-897 5 South Prairie WA STTNWAHODSC  674   2022-12-30   
360-899 1 Mount Vernon WA STTNWAHODSC  674      
360-899 3 Mount Vernon WA STTNWAHODSC  674   2005-11-25   
360-930 3 Poulsbo WA STTNWAHODSC  674   2006-02-24   
360-930 6 Poulsbo WA STTNWAHODSC  674   2008-08-07   
360-940 1 Copalis WA STTNWAHODSC  674   2014-04-07   
360-946 2 Vancouver WA PTLGORIA7MD  672   2020-01-29   
360-955 4 Yelm WA STTNWAHODSC  674   2023-05-01   
360-964 7 Montesano WA STTNWAHODSC  674   2013-12-27   
360-967 A Castle Rock WA PTLGORIA7MD  672      
360-967 1 Castle Rock WA PTLGORIA7MD  672   2007-01-05   
360-967 4 Castle Rock WA PTLGORIA7MD  672   2005-07-09   
360-973 6 Stevens Pass WA STTNWAHODSC  674   2014-04-08   
360-975 4 Vancouver WA PTLGORIA7MD  672   2011-06-05   
360-975 7 Vancouver WA PTLGORIA7MD  672   2011-06-05   
360-979 4 Silverdale WA STTNWAHODSC  674   2015-10-11   
360-980 8 Vancouver WA PTLGORIA7MD  672   2007-11-14   
360-994 2 Poulsbo WA STTNWAHODSC  674   2016-12-30   
360-998 A Longview WA PTLGORIA7MD  672      
360-998 3 Longview WA PTLGORIA7MD  672   2015-11-13   
360-999 5 Olympia WA STTNWAHODSC  674   2015-12-05   
425-212 1 Everett WA STTNWAHODSC  674   2006-09-05   
425-214 1 Bellevue WA STTNWAHODSC  674   2005-10-28   
425-214 4 Bellevue WA STTNWAHODSC  674   2005-10-28   
425-216 3 Kirkland WA STTNWAHODSC  674   2004-07-26   
425-216 6 Kirkland WA STTNWAHODSC  674   2006-07-20   
425-223 A Bellevue WA STTNWAHODSC  674      

<< 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: Sat, 01 Aug 2026 03:19:33 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.