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.

Kirkland, WA

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

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
425-284 6   7173 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 674   2006-07-28   
425-284 7   7173 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 674   2007-02-28   
425-284 8   7274 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - WA 674   2005-11-06   
425-284 9   6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2008-08-07   
425-285 A TKWLWAZSPS0  7173 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 674      
425-285 0   7173 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 674      
425-285 1   7173 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 674      
425-285 2   7173 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 674      
425-285 3   7173 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 674      
425-285 4   7173 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 674   2011-02-11   
425-285 5   829J PAETEC ITEL, LLC 674   2011-06-27   
425-285 6   939H COMMIO, LLC 674   2021-08-31   
425-285 7   006F BANDWIDTH.COM CLEC, LLC - WA 674   2010-07-19   
425-285 8   073H TELNYX LLC 674   2020-07-10   
425-285 9   318J COMCAST IP PHONE, LLC 674   2008-08-08   
425-296 A STTNWAHODSC  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
425-296 0   6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
425-296 1   6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2005-01-04   
425-296 2   6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2005-01-04   
425-296 3   6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2007-09-25   
425-296 4   6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2003-01-22   
425-296 5   7173 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 674   2003-05-05   
425-296 6   6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2005-09-03   
425-296 7   6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2005-09-03   
425-296 8   6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2005-09-03   
425-296 9   6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2005-09-03   
425-298 A STTLWA03X7X  829J PAETEC ITEL, LLC 674      
425-298 0   318J COMCAST IP PHONE, LLC 674   2011-07-07   
425-298 1   829J PAETEC ITEL, LLC 674   2008-10-10   
425-298 2   7173 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 674   2011-06-01   
425-298 3   006F BANDWIDTH.COM CLEC, LLC - WA 674   2010-02-19   
425-298 4   318J COMCAST IP PHONE, LLC 674   2010-02-14   
425-298 5   006F BANDWIDTH.COM CLEC, LLC - WA 674   2010-02-19   
425-298 6   006F BANDWIDTH.COM CLEC, LLC - WA 674   2010-02-19   
425-298 7   006F BANDWIDTH.COM CLEC, LLC - WA 674   2010-02-19   
425-298 8   483E ONVOY, LLC - WA 674   2008-10-13   
425-298 9   483E ONVOY, LLC - WA 674   2008-10-13   
425-305 A STTNWAHODSC  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
425-305 0   6010 NEW CINGULAR WIRELESS PCS, LLC 674   2014-06-26   
425-305 1   6010 NEW CINGULAR WIRELESS PCS, LLC 674   2014-08-28   
425-305 2   6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2014-06-22   
425-305 3   7274 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - WA 674   2015-02-02   
425-305 4   483E ONVOY, LLC - WA 674   2015-05-21   
425-305 5   318J COMCAST IP PHONE, LLC 674   2014-08-12   
425-305 6   6010 NEW CINGULAR WIRELESS PCS, LLC 674   2015-02-11   
425-305 7   6010 NEW CINGULAR WIRELESS PCS, LLC 674   2015-02-11   
425-305 8   6010 NEW CINGULAR WIRELESS PCS, LLC 674   2015-05-21   
425-305 9   6010 NEW CINGULAR WIRELESS PCS, LLC 674   2014-11-10   
425-307 A   6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
425-307 0   073H TELNYX LLC 674   2020-12-11   

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

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.