Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 970 [Rate centres in NPA 970] [Dial plan for NPA 970]

NXX: 299

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
970-299 A Cortez CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
970-299 0 Cortez CO   515J IP HORIZON LLC 656   2022-04-29   
970-299 1 Cortez CO   516J TON80 COMMUNICATIONS, LLC 656   2021-11-04   
970-299 2 Cortez CO   624H ONVOY SPECTRUM, LLC 656   2020-07-01   
970-299 3 Cortez CO   624H ONVOY SPECTRUM, LLC 656   2020-07-01   
970-299 4 Cortez CO   624H ONVOY SPECTRUM, LLC 656   2020-07-01   
970-299 5 Cortez CO   026D ONVOY, LLC - CO 656   2024-11-07   
970-299 6 Cortez CO   624H ONVOY SPECTRUM, LLC 656   2021-05-23   
970-299 7 Cortez CO   624H ONVOY SPECTRUM, LLC 656   2021-05-23   
970-299 8 Cortez CO   026D ONVOY, LLC - CO 656      
970-299 9 Cortez CO   026D ONVOY, LLC - CO 656      

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

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