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: 455

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
719-455 A Florence CO CLSPCOMAXVY  073H TELNYX LLC 658      
719-455 0 Florence CO   073H TELNYX LLC 658   2020-11-22   
719-455 1 Florence CO   026D ONVOY, LLC - CO 658   2020-12-18   
719-455 2 Florence CO   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 658   2019-08-12   
719-455 3 Florence CO   624H ONVOY SPECTRUM, LLC 658   2025-01-03   
719-455 4 Florence CO   026D ONVOY, LLC - CO 658   2019-09-09   
719-455 5 Florence CO   026D ONVOY, LLC - CO 658   2019-09-09   
719-455 6 Florence CO   026D ONVOY, LLC - CO 658   2020-09-10   
719-455 7 Florence CO   026D ONVOY, LLC - CO 658   2020-09-10   
719-455 8 Florence CO   026D ONVOY, LLC - CO 658   2021-03-07   
719-455 9 Florence CO   278F PEERLESS NETWORK OF COLORADO, LLC - CO 658   2020-02-24   

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.