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: 813

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
970-813 A Bayfield CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656      
970-813 0 Bayfield CO   078F BANDWIDTH.COM CLEC, LLC - CO 656   2021-11-29   
970-813 1 Bayfield CO   515J IP HORIZON LLC 656   2022-09-11   
970-813 8 Bayfield CO   078F BANDWIDTH.COM CLEC, LLC - CO 656   2025-12-21   
970-813 9 Bayfield CO   516J TON80 COMMUNICATIONS, LLC 656   2021-11-30   

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

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