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: 642

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
509-642 A Harrah WA SNSDWAXXTMD  483E ONVOY, LLC - WA 676      
509-642 0 Harrah WA SNSDWAXXTMD  483E ONVOY, LLC - WA 676   2023-05-22   
509-642 1 Harrah WA SNSDWAXXTMD  483E ONVOY, LLC - WA 676   2021-06-27   
509-642 4 Harrah WA SPKNWA01XUX  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 676      
509-642 6 Harrah WA SNSDWAXXTMD  483E ONVOY, LLC - WA 676   2020-07-20   
509-642 7 Harrah WA YAKMWAWE7MD  508J CENTURYLINK COMMUNICATIONS, LLC 676   2015-01-26   

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

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