Local Calling Guide

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

NXX: 258

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
970-258 A Montrose CO DNVRCOII4MD  5562 METROPCS, INC. 656      
970-258 0 Montrose CO DNVRCOII0MD  6529 T-MOBILE USA, INC. 656      
970-258 1 Montrose CO DNVRCOII4MD  5562 METROPCS, INC. 656      
970-258 2 Montrose CO   145J TERRA NOVA TELECOM INC. 656   2022-08-02   
970-258 3 Montrose CO DNVRCOII0MD  6529 T-MOBILE USA, INC. 656   2024-10-03   
970-258 4 Montrose CO DNVRCOII0MD  6529 T-MOBILE USA, INC. 656   2024-10-03   
970-258 5 Montrose CO DNVRCOII0MD  6529 T-MOBILE USA, INC. 656   2024-03-14   
970-258 6 Montrose CO DNVRCOII0MD  6529 T-MOBILE USA, INC. 656   2024-03-14   
970-258 7 Montrose CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2024-10-16   
970-258 8 Montrose CO   6529 T-MOBILE USA, INC. 656   2025-07-28   

Last updated: Sun, 17 May 2026 03:26:51 UTC

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