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: 633

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
509-633 A Coulee Dam WA CLDMWA01DS0  9638 QWEST CORPORATION 676      
509-633 0 Coulee Dam WA CLDMWA01DS0  9638 QWEST CORPORATION 676      
509-633 1 Coulee Dam WA CLDMWA01DS0  9638 QWEST CORPORATION 676      
509-633 2 Coulee Dam WA CLDMWA01DS0  9638 QWEST CORPORATION 676      
509-633 3 Coulee Dam WA CLDMWA01DS0  9638 QWEST CORPORATION 676      
509-633 4 Coulee Dam WA YAKMWAWECMD  7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 676   2012-07-12   
509-633 5 Coulee Dam WA CLDMWA01DS0  9638 QWEST CORPORATION 676      
509-633 6 Coulee Dam WA CLDMWA01DS0  9638 QWEST CORPORATION 676      
509-633 7 Coulee Dam WA CLDMWA01DS0  9638 QWEST CORPORATION 676      
509-633 8 Coulee Dam WA CLDMWA01DS0  9638 QWEST CORPORATION 676      
509-633 9 Coulee Dam WA CLDMWA01DS0  9638 QWEST CORPORATION 676      

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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