Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 360 [Rate centres in NPA 360] [Dial plan for NPA 360]

NXX: 453

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
360-453 A Snohomish WA   624H ONVOY SPECTRUM, LLC 674      
360-453 2 Snohomish WA   7173 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 674   2002-11-16   
360-453 3 Snohomish WA   7173 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 674   2007-08-29   
360-453 6 Snohomish WA   624H ONVOY SPECTRUM, LLC 674   2022-01-03   
360-453 7 Snohomish WA   006F BANDWIDTH.COM CLEC, LLC - WA 674   2009-01-30   
360-453 8 Snohomish WA   624H ONVOY SPECTRUM, LLC 674   2021-05-23   
360-453 9 Snohomish WA   624H ONVOY SPECTRUM, LLC 674   2021-05-23   

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

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