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: 390

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
360-390 A Port Townsend WA STTNWAHODSC  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
360-390 1 Port Townsend WA   6529 T-MOBILE USA, INC. 674   2022-05-16   
360-390 2 Port Townsend WA   6529 T-MOBILE USA, INC. 674   2022-05-16   
360-390 3 Port Townsend WA   6529 T-MOBILE USA, INC. 674   2022-05-16   
360-390 4 Port Townsend WA   6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2002-09-04   
360-390 5 Port Townsend WA   6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2005-08-13   
360-390 7 Port Townsend WA   663D ELTOPIA COMMUNICATIONS, LLC - WA 674   2009-04-15   
360-390 8 Port Townsend WA   6010 NEW CINGULAR WIRELESS PCS, LLC 674   2008-12-13   

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

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