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: 719 [Rate centres in NPA 719] [Dial plan for NPA 719]

NXX: 304

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
719-304 A Colorado Springs-Main CO CLSPCOEADS1  881B ILOKA, INC. DBA NEWCLOUD NETWORKS - CO 658      
719-304 0 Colorado Springs-Main CO   881B ILOKA, INC. DBA NEWCLOUD NETWORKS - CO 658   2006-03-23   
719-304 1 Colorado Springs-Main CO   6010 NEW CINGULAR WIRELESS PCS, LLC 658   2007-03-09   
719-304 2 Colorado Springs-Main CO   026D ONVOY, LLC - CO 658   2006-03-12   
719-304 3 Colorado Springs-Main CO   9636 QWEST CORPORATION 658   2006-03-12   
719-304 4 Colorado Springs-Main CO   6010 NEW CINGULAR WIRELESS PCS, LLC 658   2007-03-09   
719-304 5 Colorado Springs-Main CO   026D ONVOY, LLC - CO 658   2006-03-12   
719-304 6 Colorado Springs-Main CO   6529 T-MOBILE USA, INC. 658   2007-02-04   
719-304 7 Colorado Springs-Main CO   318J COMCAST IP PHONE, LLC 658   2006-03-12   
719-304 8 Colorado Springs-Main CO   078F BANDWIDTH.COM CLEC, LLC - CO 658   2006-03-12   
719-304 9 Colorado Springs-Main CO   6529 T-MOBILE USA, INC. 658   2007-02-04   

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.