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: 615

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
720-615 A Keenesburg CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656      
720-615 0 Keenesburg CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2020-10-17   
720-615 1 Keenesburg CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2020-10-17   
720-615 2 Keenesburg CO DNVRCO26DS5  278F PEERLESS NETWORK OF COLORADO, LLC - CO 656   2020-12-14   
720-615 3 Keenesburg CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2021-03-07   
720-615 4 Keenesburg CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2021-03-07   
720-615 5 Keenesburg CO DNVRCOMA40Z  506J TWILIO INTERNATIONAL, INC. 656   2020-12-18   
720-615 6 Keenesburg CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2020-10-26   
720-615 7 Keenesburg CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2020-10-26   
720-615 8 Keenesburg CO DNVTCOZI6MD  073H TELNYX LLC 656   2021-01-04   
720-615 9 Keenesburg CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2021-06-06   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.