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: 816

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
970-816 A Cortez CO DNVRCOII0MD  6529 T-MOBILE USA, INC. 656      
970-816 0 Cortez CO   026D ONVOY, LLC - CO 656   2018-12-30   
970-816 1 Cortez CO   026D ONVOY, LLC - CO 656   2018-12-30   
970-816 2 Cortez CO   278F PEERLESS NETWORK OF COLORADO, LLC - CO 656   2020-01-15   
970-816 3 Cortez CO   624H ONVOY SPECTRUM, LLC 656   2021-12-02   
970-816 4 Cortez CO   624H ONVOY SPECTRUM, LLC 656   2021-12-02   
970-816 5 Cortez CO   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2021-01-23   
970-816 6 Cortez CO   078F BANDWIDTH.COM CLEC, LLC - CO 656   2022-08-14   
970-816 7 Cortez CO   6529 T-MOBILE USA, INC. 656   2023-08-09   
970-816 8 Cortez CO   073H TELNYX LLC 656   2017-06-09   
970-816 9 Cortez CO   145J TERRA NOVA TELECOM INC. 656   2024-05-10   

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

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