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: 878

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
509-878 A Palouse WA PALSWAXXRS1  4324 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 960      
509-878 1 Palouse WA PALSWAXXRS1  4324 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 960      
509-878 3 Palouse WA CRALIDXXKMD  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 960   2004-11-17   
509-878 4 Palouse WA CRALIDXXX7X  483E ONVOY, LLC - WA 960   2017-10-01   
509-878 6 Palouse WA CRALIDXXX7X  483E ONVOY, LLC - WA 960   2021-06-27   
509-878 7 Palouse WA CRALIDXXX7X  483E ONVOY, LLC - WA 960   2007-10-25   
509-878 8 Palouse WA CRALIDXXX7X  483E ONVOY, LLC - WA 960   2022-01-01   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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