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: 871

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
509-871 A Oroville WA SPKNWA01XXX  483E ONVOY, LLC - WA 676      
509-871 0 Oroville WA   483E ONVOY, LLC - WA 676      
509-871 1 Oroville WA   483E ONVOY, LLC - WA 676      
509-871 6 Oroville WA   159F PEERLESS NETWORK OF WASHINGTON, LLC - WA 676   2024-03-18   
509-871 7 Oroville WA   483E ONVOY, LLC - WA 676   2021-05-07   
509-871 8 Oroville WA   159F PEERLESS NETWORK OF WASHINGTON, LLC - WA 676   2021-03-05   

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

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