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: 720 [Rate centres in NPA 720] [Dial plan for NPA 720]

NXX: 712

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
720-712 A Fort Lupton CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656      
720-712 0 Fort Lupton CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2019-08-16   
720-712 1 Fort Lupton CO DNVRCO26DS5  278F PEERLESS NETWORK OF COLORADO, LLC - CO 656   2019-09-08   
720-712 2 Fort Lupton CO DNVRCO26DS5  278F PEERLESS NETWORK OF COLORADO, LLC - CO 656   2019-11-16   
720-712 3 Fort Lupton CO DNVRCO26DS5  278F PEERLESS NETWORK OF COLORADO, LLC - CO 656   2020-02-22   
720-712 4 Fort Lupton CO DNVTCOZIDS1  026D ONVOY, LLC CO 656   2020-08-08   
720-712 5 Fort Lupton CO DNVTCOZIDS1  026D ONVOY, LLC CO 656   2020-04-24   
720-712 6 Fort Lupton CO DNVRCOMA39Z  318J COMCAST IP PHONE LLC 656   2020-02-21   
720-712 7 Fort Lupton CO DNVTCOZIDS1  026D ONVOY, LLC CO 656   2020-02-22   
720-712 8 Fort Lupton CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2020-08-08   
720-712 9 Fort Lupton CO DNVTCOZI6MD  073H TELNYX LLC 656   2021-01-04   

Last updated: Tue, 04 May 2021 15:04:27 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.