Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 720 [Rate centres in NPA 720] [Dial plan for NPA 720]

NXX: 679

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
720-679 A Georgetown CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
720-679 0 Georgetown CO   278F PEERLESS NETWORK OF COLORADO, LLC - CO 656   2020-03-12   
720-679 1 Georgetown CO   026D ONVOY, LLC - CO 656   2020-08-08   
720-679 2 Georgetown CO   026D ONVOY, LLC - CO 656   2019-12-12   
720-679 3 Georgetown CO   078F BANDWIDTH.COM CLEC, LLC - CO 656   2020-08-08   
720-679 4 Georgetown CO   078F BANDWIDTH.COM CLEC, LLC - CO 656   2020-08-08   
720-679 5 Georgetown CO   026D ONVOY, LLC - CO 656   2020-04-24   
720-679 6 Georgetown CO   026D ONVOY, LLC - CO 656   2019-12-12   
720-679 7 Georgetown CO   026D ONVOY, LLC - CO 656   2019-10-14   
720-679 8 Georgetown CO   026D ONVOY, LLC - CO 656   2020-04-24   
720-679 9 Georgetown CO   078F BANDWIDTH.COM CLEC, LLC - CO 656   2020-08-08   

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

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