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.

Clarkston, WA

<< 1 2

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
509-596 9 EWNCWA270MD  6529 T-MOBILE USA, INC. 676   2016-05-21   
509-751 A LSTNIDSHDS0  9638 QWEST CORPORATION 676      
509-751 0 LSTNIDSHDS0  9638 QWEST CORPORATION 676      
509-751 1 LSTNIDSHDS0  9638 QWEST CORPORATION 676      
509-751 2 LSTNIDSHDS0  9638 QWEST CORPORATION 676      
509-751 3 LSTNIDSHDS0  9638 QWEST CORPORATION 676      
509-751 4 LSTNIDSHDS0  9638 QWEST CORPORATION 676      
509-751 5 LSTNIDSHDS0  9638 QWEST CORPORATION 676      
509-751 6 LSTNID130MD  1484 INLAND CELLULAR LLC 676      
509-751 7 LSTNID130MD  1484 INLAND CELLULAR LLC 676      
509-751 8 LSTNIDSHDS0  9638 QWEST CORPORATION 676      
509-751 9 LSTNIDSHDS0  9638 QWEST CORPORATION 676      
509-758 A LSTNIDSHDS0  9638 QWEST CORPORATION 676      
509-769 A SPKNWA01X7X  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 676      
509-769 0 SPKNWA01X7X  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 676      
509-769 1 YAKMWAWE7MD  508J CENTURYLINK COMMUNICATIONS, LLC 676   2015-01-26   
509-769 2 SPKNWADZDS2  7340 XO WASHINGTON, INC. 676   2011-09-02   
509-769 3 SPKNWA01XXX  483E ONVOY, LLC - WA 676   2013-07-05   
509-769 4 SPKNWA01XBY  663D ELTOPIA COMMUNICATIONS, LLC - WA 676   2020-07-29   
509-769 5 SPKNWA01X7X  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 676      
509-769 6 SPKNWA01X7X  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 676      
509-769 7 MLWDWAAA2MD  6010 NEW CINGULAR WIRELESS PCS, LLC 676   2008-11-07   
509-769 8 EWNCWA270MD  6529 T-MOBILE USA, INC. 676   2014-08-29   
509-769 9 EWNCWA270MD  6529 T-MOBILE USA, INC. 676   2009-12-13   
509-780 A SPKNWA01XDY  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 676      
509-780 0 SPKNWADZDS3  159F PEERLESS NETWORK OF WASHINGTON, LLC - WA 676   2015-04-05   
509-780 1 SPKNWA01XDY  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 676      
509-780 2 SPKNWA01XDY  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 676      
509-780 3 MLWDWAAA2MD  6010 NEW CINGULAR WIRELESS PCS, LLC 676   2004-07-31   
509-780 4 SPKNWADZDS2  7340 XO WASHINGTON, INC. 676   2009-10-31   
509-780 5 YAKMWAWECMD  7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 676   2012-07-12   
509-780 6 SPKNWAKY0MD  006F BANDWIDTH.COM CLEC, LLC - WA 676   2010-07-23   
509-780 7 SPKNWA01XDY  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 676      
509-780 8 SPKNWA01XDY  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 676      
509-780 9 SPKNWA01XDY  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 676      
509-800 A SPKNWAVR0MD  073H TELNYX LLC 676      
509-800 0 SPKNWA01XXX  483E ONVOY, LLC - WA 676   2018-01-14   
509-800 1 SPKNWADZDS3  159F PEERLESS NETWORK OF WASHINGTON, LLC - WA 676   2019-10-30   
509-800 2 SPKNWA01XXX  483E ONVOY, LLC - WA 676   2021-02-07   
509-800 3 SPKNWA01XXX  483E ONVOY, LLC - WA 676   2021-02-07   
509-800 4 SPKNWAVR0MD  073H TELNYX LLC 676   2021-05-23   
509-800 5 SPKNWA01XXX  483E ONVOY, LLC - WA 676   2020-07-17   
509-800 6 SPKNWADZ4MD  939H COMMIO, LLC 676   2022-04-21   
509-800 7 SPKNWAKY0MD  006F BANDWIDTH.COM CLEC, LLC - WA 676   2020-11-22   
509-800 8 SPKNWA01XXX  483E ONVOY, LLC - WA 676   2020-07-17   

<< 1 2

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.