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.

Coulee Dam, WA

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
509-620 A SPKNWA01XXX  483E ONVOY, LLC - WA 676      
509-620 0 SPKNWA01XXX  483E ONVOY, LLC - WA 676      
509-620 1 SPKNWA01XXX  483E ONVOY, LLC - WA 676      
509-620 2 SPKNWA01XXX  483E ONVOY, LLC - WA 676   2016-01-07   
509-620 3 SPKNWA01XUX  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 676   2016-02-28   
509-620 4 SPKNWAKY0MD  006F BANDWIDTH.COM CLEC, LLC - WA 676   2016-10-23   
509-620 5 SPKNWAKY0MD  006F BANDWIDTH.COM CLEC, LLC - WA 676   2016-10-23   
509-620 6 SPKNWAKY0MD  006F BANDWIDTH.COM CLEC, LLC - WA 676   2016-10-23   
509-620 7 YAKMWAWE7MD  508J CENTURYLINK COMMUNICATIONS, LLC 676   2015-12-02   
509-620 8 KNWCWAII3MD  814D CHARTER FIBERLINK WA - CCVII, LLC - WA 676   2019-05-22   
509-620 9 STTLWAWBDSH  159F PEERLESS NETWORK OF WASHINGTON, LLC - WA 676   2016-03-31   
509-631 A MLWDWAAA2MD  6010 NEW CINGULAR WIRELESS PCS, LLC 676      
509-631 0 MLWDWAAA2MD  6010 NEW CINGULAR WIRELESS PCS, LLC 676      
509-631 1 MLWDWAAA2MD  6010 NEW CINGULAR WIRELESS PCS, LLC 676      
509-631 2 MLWDWAAA2MD  6010 NEW CINGULAR WIRELESS PCS, LLC 676      
509-631 3 WNTCWABADS1  3229 COMPUTERS 5*, INC. DBA LOCALTEL - WA 676   2003-10-08   
509-631 4 MLWDWAAA2MD  6010 NEW CINGULAR WIRELESS PCS, LLC 676   2004-09-30   
509-631 5 SPKNWA01XBY  663D ELTOPIA COMMUNICATIONS, LLC - WA 676   2008-06-28   
509-631 6 SPKNWA01X7X  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 676   2015-03-31   
509-631 7 SPKNWA01XXX  483E ONVOY, LLC - WA 676   2006-10-13   
509-631 8 SPKNWA01XXX  483E ONVOY, LLC - WA 676   2013-07-05   
509-631 9 SPKNWAKY0MD  006F BANDWIDTH.COM CLEC, LLC - WA 676   2013-11-14   
509-633 A CLDMWA01DS0  9638 QWEST CORPORATION 676      
509-633 0 CLDMWA01DS0  9638 QWEST CORPORATION 676      
509-633 1 CLDMWA01DS0  9638 QWEST CORPORATION 676      
509-633 2 CLDMWA01DS0  9638 QWEST CORPORATION 676      
509-633 3 CLDMWA01DS0  9638 QWEST CORPORATION 676      
509-633 4 YAKMWAWECMD  7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 676   2012-07-12   
509-633 5 CLDMWA01DS0  9638 QWEST CORPORATION 676      
509-633 6 CLDMWA01DS0  9638 QWEST CORPORATION 676      
509-633 7 CLDMWA01DS0  9638 QWEST CORPORATION 676      
509-633 8 CLDMWA01DS0  9638 QWEST CORPORATION 676      
509-633 9 CLDMWA01DS0  9638 QWEST CORPORATION 676      

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.