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: 917

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
970-917 A Durango CO   6529 T-MOBILE USA, INC. 656   2026-01-17   
970-917 0 Durango CO   6529 T-MOBILE USA, INC. 656   2026-01-17   
970-917 1 Durango CO   6529 T-MOBILE USA, INC. 656   2026-01-17   
970-917 7 Durango CO   6529 T-MOBILE USA, INC. 656   2026-01-17   
970-917 9 Durango CO   6529 T-MOBILE USA, INC. 656   2026-01-17   

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

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