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: 228

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
509-228 A Spokane WA SPKNWAWADS0  9638 QWEST CORPORATION 676      
509-228 0 Spokane WA   9638 QWEST CORPORATION 676      
509-228 1 Spokane WA   7455 LEVEL 3 TELECOM OF WASHINGTON, LLC - WA 676   2004-01-06   
509-228 2 Spokane WA   6529 T-MOBILE USA, INC. 676   2004-12-13   
509-228 3 Spokane WA   6121 LEVEL 3 COMMUNICATIONS, LLC - WA 676   2005-10-29   
509-228 4 Spokane WA   9638 QWEST CORPORATION 676      
509-228 5 Spokane WA   9638 QWEST CORPORATION 676      
509-228 6 Spokane WA   9638 QWEST CORPORATION 676      
509-228 7 Spokane WA   6121 LEVEL 3 COMMUNICATIONS, LLC - WA 676   2007-12-04   
509-228 8 Spokane WA   6121 LEVEL 3 COMMUNICATIONS, LLC - WA 676   2005-10-29   
509-228 9 Spokane WA   9638 QWEST CORPORATION 676      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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