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: 920

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
509-920 A Chewelah WA SPKNWADZBMD  490J DISH WIRELESS, LLC 676      
509-920 6 Chewelah WA YAKMWAWECMD  7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 676   2023-05-18   
509-920 9 Chewelah WA SPKNWADZBMD  490J DISH WIRELESS, LLC 676   2022-10-02   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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