Local Calling Guide

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NPA: 970 [Rate centres in NPA 970] [Dial plan for NPA 970]

NXX: 538

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
970-538 A Telluride CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
970-538 0 Telluride CO   516J TON80 COMMUNICATIONS, LLC 656   2021-10-05   
970-538 1 Telluride CO   026D ONVOY, LLC - CO 656   2021-03-07   
970-538 2 Telluride CO   026D ONVOY, LLC - CO 656   2021-03-07   
970-538 4 Telluride CO   026D ONVOY, LLC - CO 656   2021-12-23   
970-538 5 Telluride CO   026D ONVOY, LLC - CO 656   2020-10-30   
970-538 6 Telluride CO   278F PEERLESS NETWORK OF COLORADO, LLC - CO 656   2021-09-30   
970-538 7 Telluride CO   078F BANDWIDTH.COM CLEC, LLC - CO 656   2020-09-14   
970-538 8 Telluride CO   026D ONVOY, LLC - CO 656      
970-538 9 Telluride CO   026D ONVOY, LLC - CO 656      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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