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: 676

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
509-676 A Walla Walla WA WLWLWA01DS1  4718 TELEWISE, LLC - WA 676      
509-676 0 Walla Walla WA   006F BANDWIDTH.COM CLEC, LLC - WA 676   2016-02-12   
509-676 1 Walla Walla WA   4718 TELEWISE, LLC - WA 676   2005-04-22   
509-676 2 Walla Walla WA   483E ONVOY, LLC - WA 676   2019-07-08   
509-676 3 Walla Walla WA   483E ONVOY, LLC - WA 676   2019-07-08   
509-676 4 Walla Walla WA   006F BANDWIDTH.COM CLEC, LLC - WA 676   2020-12-10   
509-676 5 Walla Walla WA   6121 LEVEL 3 COMMUNICATIONS, LLC - WA 676   2020-01-11   
509-676 6 Walla Walla WA   006F BANDWIDTH.COM CLEC, LLC - WA 676   2018-04-12   
509-676 7 Walla Walla WA   5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 676   2018-04-16   
509-676 8 Walla Walla WA   5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 676   2020-06-16   
509-676 9 Walla Walla WA   6010 NEW CINGULAR WIRELESS PCS, LLC 676   2016-05-18   

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

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