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: 637

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
509-637 A White Salmon WA THDLORXABMD  6010 NEW CINGULAR WIRELESS PCS, LLC 672      
509-637 0 White Salmon WA   6010 NEW CINGULAR WIRELESS PCS, LLC 672   2002-07-27   
509-637 1 White Salmon WA   5844 AXXIS COMMUNICATIONS, INC. - WA 672   2004-02-16   
509-637 2 White Salmon WA   5844 AXXIS COMMUNICATIONS, INC. - WA 672   2004-02-16   
509-637 3 White Salmon WA   6010 NEW CINGULAR WIRELESS PCS, LLC 672   2006-09-28   
509-637 4 White Salmon WA   6010 NEW CINGULAR WIRELESS PCS, LLC 672   2004-04-25   
509-637 5 White Salmon WA   6010 NEW CINGULAR WIRELESS PCS, LLC 672   2005-08-18   
509-637 6 White Salmon WA   6010 NEW CINGULAR WIRELESS PCS, LLC 672   2010-09-17   
509-637 7 White Salmon WA   483E ONVOY, LLC - WA 672   2020-11-06   
509-637 9 White Salmon WA   6010 NEW CINGULAR WIRELESS PCS, LLC 672   2019-07-18   

Last updated: Sat, 31 Oct 2020 19:28:10 UTC

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