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: 637

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
360-637 A Aberdeen WA STTNWAHODSC  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
360-637 0 Aberdeen WA   483E ONVOY, LLC - WA 674      
360-637 1 Aberdeen WA   483E ONVOY, LLC - WA 674      
360-637 2 Aberdeen WA   483E ONVOY, LLC - WA 674   2005-03-13   
360-637 3 Aberdeen WA   483E ONVOY, LLC - WA 674   2006-01-08   
360-637 4 Aberdeen WA   6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2004-07-24   
360-637 5 Aberdeen WA   483E ONVOY, LLC - WA 674   2006-03-16   
360-637 6 Aberdeen WA   6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2006-04-30   
360-637 7 Aberdeen WA   663D ELTOPIA COMMUNICATIONS, LLC - WA 674   2020-07-29   
360-637 8 Aberdeen WA   318J COMCAST IP PHONE, LLC 674   2006-12-11   
360-637 9 Aberdeen WA   318J COMCAST IP PHONE, LLC 674   2010-05-05   

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

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