Local Calling Guide

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Search area code/prefix (NPA/NXX)
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Palouse, WA

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
509-878 A PALSWAXXRS1  4324 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 960      
509-878 1 PALSWAXXRS1  4324 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 960      
509-878 2   145J TERRA NOVA TELECOM INC. 960   2025-07-24   
509-878 3 CRALIDXXKMD  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 960   2004-11-17   
509-878 4 CRALIDXXX7X  483E ONVOY, LLC - WA 960   2017-10-01   
509-878 6 CRALIDXXX7X  483E ONVOY, LLC - WA 960   2021-06-27   
509-878 7 CRALIDXXX7X  483E ONVOY, LLC - WA 960   2007-10-25   
509-878 8 CRALIDXXX7X  483E ONVOY, LLC - WA 960   2022-01-01   

Last updated: Tue, 16 Jun 2026 00:09:45 UTC

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