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: 304

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
360-304 A Chehalis WA OLYMWA022MD  6529 T-MOBILE USA, INC. 674      
360-304 0 Chehalis WA   6529 T-MOBILE USA, INC. 674      
360-304 1 Chehalis WA   6529 T-MOBILE USA, INC. 674   2007-09-28   
360-304 2 Chehalis WA   6010 NEW CINGULAR WIRELESS PCS, LLC 674   2005-11-21   
360-304 3 Chehalis WA   5562 METROPCS, INC. 674   2011-06-16   
360-304 7 Chehalis WA   6529 T-MOBILE USA, INC. 674   2018-04-01   
360-304 8 Chehalis WA   5562 METROPCS, INC. 674   2006-01-14   
360-304 9 Chehalis WA   6529 T-MOBILE USA, INC. 674      

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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