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: 800

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
719-800 A Calhan CO CLSPCOMAXWX  026D ONVOY, LLC - CO 658      
719-800 0 Calhan CO   026D ONVOY, LLC - CO 658   2013-01-05   
719-800 1 Calhan CO   078F BANDWIDTH.COM CLEC, LLC - CO 658   2014-05-02   
719-800 2 Calhan CO   078F BANDWIDTH.COM CLEC, LLC - CO 658   2015-05-10   
719-800 3 Calhan CO   6010 NEW CINGULAR WIRELESS PCS, LLC 658   2015-07-13   
719-800 4 Calhan CO   026D ONVOY, LLC - CO 658   2013-04-15   
719-800 5 Calhan CO   278F PEERLESS NETWORK OF COLORADO, LLC - CO 658   2016-03-06   
719-800 6 Calhan CO   508J CENTURYLINK COMMUNICATIONS, LLC 658   2014-05-22   
719-800 7 Calhan CO   026D ONVOY, LLC - CO 658   2013-01-05   
719-800 8 Calhan CO   026D ONVOY, LLC - CO 658   2013-01-05   
719-800 9 Calhan CO   026D ONVOY, LLC - CO 658   2013-01-05   

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.