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: 341

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
509-341 A Twisp WA MLWDWAAA2MD  6010 NEW CINGULAR WIRELESS PCS, LLC 676      
509-341 0 Twisp WA   159F PEERLESS NETWORK OF WASHINGTON, LLC - WA 676   2015-10-17   
509-341 1 Twisp WA   483E ONVOY, LLC - WA 676   2016-02-12   
509-341 2 Twisp WA   483E ONVOY, LLC - WA 676   2005-08-01   
509-341 3 Twisp WA   506J TWILIO INTERNATIONAL INC 676   2021-01-28   
509-341 4 Twisp WA   6010 NEW CINGULAR WIRELESS PCS, LLC 676   2005-12-09   
509-341 5 Twisp WA   483E ONVOY, LLC - WA 676   2021-06-27   
509-341 6 Twisp WA   508J CENTURYLINK COMMUNICATIONS LLC 676   2015-01-26   
509-341 7 Twisp WA   483E ONVOY, LLC - WA 676   2008-09-07   
509-341 8 Twisp WA   483E ONVOY, LLC - WA 676   2011-08-19   
509-341 9 Twisp WA   6010 NEW CINGULAR WIRELESS PCS, LLC 676   2008-11-09   

Last updated: Fri, 01 Jul 2022 02:53:40 UTC

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