Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 509 [Rate centres in NPA 509] [Dial plan for NPA 509]

NXX: 281

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
509-281 A White Salmon WA LNBHWAAA0MD  6270 UNITED STATES CELLULAR - WA 672      
509-281 0 White Salmon WA LNBHWAAA0MD  6270 UNITED STATES CELLULAR - WA 672      
509-281 1 White Salmon WA LNBHWAAA0MD  6270 UNITED STATES CELLULAR - WA 672      
509-281 2 White Salmon WA LNBHWAAA0MD  6270 UNITED STATES CELLULAR - WA 672   2016-12-05   
509-281 3 White Salmon WA THDLORXA7MD  814D CHARTER FIBERLINK WA - CCVII, LLC - WA 672   2008-05-18   
509-281 4 White Salmon WA THDLORXAFMD  483E ONVOY, LLC - WA 672   2021-06-27   
509-281 5 White Salmon WA THDLORXAFMD  483E ONVOY, LLC - WA 672   2022-05-12   
509-281 6 White Salmon WA THDLORXADMD  7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 672   2015-02-05   
509-281 7 White Salmon WA PTLDORWAXDX  508J CENTURYLINK COMMUNICATIONS, LLC 672   2013-12-10   
509-281 8 White Salmon WA WDBNORBQDS0  937F ASTOUND BROADBAND, LLC - WA 672   2018-05-05   
509-281 9 White Salmon WA PTLDORWNAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 672   2022-04-06   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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