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.

OCN: 881B ILOKA, INC. DBA NEWCLOUD NETWORKS - CO

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
303-867 A Denver CO DNVRCO89DS0  656      
303-867 0 Denver CO DNVRCO89DS0  656   2005-12-26   
719-304 A Colorado Springs-Main CO CLSPCOEADS1  658      
719-304 0 Colorado Springs-Main CO CLSPCOEADS1  658   2006-03-23   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.