Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

NPA: 360 [Rate centres in NPA 360] [Dial plan for NPA 360]

NXX:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
360-255 A Whatcom County WA   7173 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 674      
360-255 0 Whatcom County WA   6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2008-03-14   
360-255 1 Whatcom County WA   6010 NEW CINGULAR WIRELESS PCS, LLC 674   2006-01-23   
360-255 2 Whatcom County WA   7173 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 674      
360-255 3 Whatcom County WA   6010 NEW CINGULAR WIRELESS PCS, LLC 674   2006-01-23   
360-255 4 Whatcom County WA   7173 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 674      
360-255 5 Whatcom County WA   6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2012-10-12   
360-255 6 Whatcom County WA   7173 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 674      
360-255 7 Whatcom County WA   6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2008-07-28   
360-255 8 Whatcom County WA   6529 T-MOBILE USA, INC. 674   2015-05-09   
360-255 9 Whatcom County WA   6664 SPRINT SPECTRUM L.P. 674   2010-07-12   

Last updated: Tue, 31 Dec 2019 02:37:20 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.