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: 641

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
509-641 A Wilbur WA MLWDWAAA2MD  6010 NEW CINGULAR WIRELESS PCS, LLC 676      
509-641 0 Wilbur WA   6010 NEW CINGULAR WIRELESS PCS, LLC 676      
509-641 1 Wilbur WA   6010 NEW CINGULAR WIRELESS PCS, LLC 676      
509-641 2 Wilbur WA   6010 NEW CINGULAR WIRELESS PCS, LLC 676   2004-09-27   
509-641 3 Wilbur WA   483E ONVOY, LLC - WA 676   2017-10-07   
509-641 4 Wilbur WA   483E ONVOY, LLC - WA 676   2021-11-20   
509-641 6 Wilbur WA   6121 LEVEL 3 COMMUNICATIONS, LLC - WA 676   2015-01-20   
509-641 7 Wilbur WA   483E ONVOY, LLC - WA 676   2011-05-07   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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