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: 646

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
360-646 A Morton WA STTLWAWBDS1  483E ONVOY, LLC - WA 674      
360-646 2 Morton WA STTLWAWBDS1  483E ONVOY, LLC - WA 674   2021-06-26   
360-646 3 Morton WA STTLWAWBDS1  483E ONVOY, LLC - WA 674   2021-06-26   
360-646 8 Morton WA STTLWAWBDS1  483E ONVOY, LLC - WA 674   2010-10-09   

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.