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: 255

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
509-255 A Liberty Lake WA LBLKWA01DS0  9638 QWEST CORPORATION 676      
509-255 0 Liberty Lake WA   9638 QWEST CORPORATION 676      
509-255 1 Liberty Lake WA   9638 QWEST CORPORATION 676      
509-255 2 Liberty Lake WA   663D ELTOPIA COMMUNICATIONS, LLC - WA 676   2020-07-29   
509-255 3 Liberty Lake WA   006F BANDWIDTH.COM CLEC, LLC - WA 676   2012-04-28   
509-255 4 Liberty Lake WA   318J COMCAST IP PHONE, LLC 676   2008-08-15   
509-255 5 Liberty Lake WA   9638 QWEST CORPORATION 676      
509-255 6 Liberty Lake WA   9638 QWEST CORPORATION 676      
509-255 7 Liberty Lake WA   483E ONVOY, LLC - WA 676   2007-03-23   
509-255 8 Liberty Lake WA   006F BANDWIDTH.COM CLEC, LLC - WA 676   2013-11-14   
509-255 9 Liberty Lake WA   9638 QWEST CORPORATION 676      

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

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