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: 331

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
970-331 A Vail CO DNVRCOII0MD  6529 T-MOBILE USA, INC. 656      
970-331 0 Vail CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2010-08-09   
970-331 1 Vail CO DNVRCOII0MD  6529 T-MOBILE USA, INC. 656      
970-331 2 Vail CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2005-04-28   
970-331 3 Vail CO DNVRCOII0MD  6529 T-MOBILE USA, INC. 656      
970-331 4 Vail CO DNVRCOII0MD  6529 T-MOBILE USA, INC. 656      
970-331 5 Vail CO DNVRCOII0MD  6529 T-MOBILE USA, INC. 656      
970-331 6 Vail CO DNVRCOII0MD  6529 T-MOBILE USA, INC. 656      
970-331 8 Vail CO   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2025-08-25   
970-331 9 Vail CO DNVRCOII0MD  6529 T-MOBILE USA, INC. 656      

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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