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: 779

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
970-779 A Durango CO DNVRCOII0MD  6529 T-MOBILE USA, INC. 656      
970-779 0 Durango CO   6529 T-MOBILE USA, INC. 656      
970-779 1 Durango CO   6529 T-MOBILE USA, INC. 656   2006-03-09   
970-779 2 Durango CO   6529 T-MOBILE USA, INC. 656   2015-04-13   
970-779 3 Durango CO   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2009-11-30   
970-779 4 Durango CO   6529 T-MOBILE USA, INC. 656   2011-09-23   
970-779 5 Durango CO   6529 T-MOBILE USA, INC. 656   2015-03-30   
970-779 6 Durango CO   278F PEERLESS NETWORK OF COLORADO, LLC - CO 656   2013-04-26   
970-779 7 Durango CO   6529 T-MOBILE USA, INC. 656   2011-01-30   
970-779 8 Durango CO   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2008-05-12   
970-779 9 Durango CO   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2008-05-12   

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

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