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: 524

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
509-524 A Walla Walla WA WLWLWA01DS0  9638 QWEST CORPORATION 676      
509-524 0 Walla Walla WA   9638 QWEST CORPORATION 676      
509-524 1 Walla Walla WA   9638 QWEST CORPORATION 676      
509-524 2 Walla Walla WA   9638 QWEST CORPORATION 676      
509-524 3 Walla Walla WA   5562 METROPCS, INC. 676   2004-12-13   
509-524 4 Walla Walla WA   9638 QWEST CORPORATION 676      
509-524 5 Walla Walla WA   9638 QWEST CORPORATION 676      
509-524 6 Walla Walla WA   9638 QWEST CORPORATION 676      
509-524 7 Walla Walla WA   9638 QWEST CORPORATION 676      
509-524 8 Walla Walla WA   6121 LEVEL 3 COMMUNICATIONS, LLC - WA 676   2006-11-08   
509-524 9 Walla Walla WA   159F PEERLESS NETWORK OF WASHINGTON, LLC - WA 676   2015-03-06   

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

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