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.

Silver Lake, WA

<< 1 2 3

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
425-585 3   5562 METRO PCS, INC. 674   2020-01-11   
425-585 5   321J HD CARRIER LLC 674   2016-05-21   
425-585 6   321J HD CARRIER LLC 674   2019-05-05   
425-585 7   321J HD CARRIER LLC 674   2019-08-22   
425-585 8   6010 NEW CINGULAR WIRELESS PCS, LLC 674   2017-04-03   
425-585 9   7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674      
425-669 A   483E ONVOY, LLC - WA 674      
425-669 1   483E ONVOY, LLC - WA 674   2019-01-21   
425-669 2   483E ONVOY, LLC - WA 674      
425-669 3   483E ONVOY, LLC - WA 674      
425-669 4   483E ONVOY, LLC - WA 674      
425-669 5   483E ONVOY, LLC - WA 674      
425-669 6   483E ONVOY, LLC - WA 674      
425-669 7   483E ONVOY, LLC - WA 674      
425-669 8   483E ONVOY, LLC - WA 674      
425-669 9   006F BANDWIDTH.COM CLEC, LLC - WA 674   2005-03-07   
425-948 A STTLWAWBDS5  8391 GLOBAL CROSSING LOCAL SERVICES, INC.-WA 674      
425-948 0   5562 METRO PCS, INC. 674   2017-04-14   
425-948 1   6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
425-948 3   5562 METRO PCS, INC. 674   2014-08-02   
425-948 4   8391 GLOBAL CROSSING LOCAL SERVICES, INC.-WA 674      
425-948 5   6010 NEW CINGULAR WIRELESS PCS, LLC 674   2013-02-08   
425-948 6   6060 COMCAST PHONE OF WASHINGTON OREGON, LLC - WA 674   2006-12-29   
425-948 7   6060 COMCAST PHONE OF WASHINGTON OREGON, LLC - WA 674   2006-12-29   
425-948 8   5562 METRO PCS, INC. 674   2018-06-02   
425-948 9   5562 METRO PCS, INC. 674   2014-01-16   

<< 1 2 3

Last updated: Thu, 10 Sep 2020 02:15:24 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.