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: 476

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
509-476 A Oroville WA ORVLWA01DS0  9638 QWEST CORPORATION 676      
509-476 0 Oroville WA   9638 QWEST CORPORATION 676      
509-476 1 Oroville WA   9638 QWEST CORPORATION 676      
509-476 2 Oroville WA   9638 QWEST CORPORATION 676      
509-476 3 Oroville WA   9638 QWEST CORPORATION 676      
509-476 4 Oroville WA   9638 QWEST CORPORATION 676      
509-476 7 Oroville WA   792K CHARTER IP ENABLED SERVICES, LLC 676   2014-02-28   
509-476 8 Oroville WA   159F PEERLESS NETWORK OF WASHINGTON, LLC - WA 676   2015-03-12   
509-476 9 Oroville WA   9638 QWEST CORPORATION 676      

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

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