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: 559

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
970-559 A Durango CO DNVRCOII0MD  6529 T-MOBILE USA, INC. 656      
970-559 0 Durango CO   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2023-08-11   
970-559 1 Durango CO   6529 T-MOBILE USA, INC. 656   2024-07-02   
970-559 2 Durango CO   026D ONVOY, LLC - CO 656   2023-08-11   
970-559 3 Durango CO   026D ONVOY, LLC - CO 656   2023-08-11   
970-559 4 Durango CO   026D ONVOY, LLC - CO 656   2023-08-11   
970-559 5 Durango CO   6529 T-MOBILE USA, INC. 656   2025-06-02   
970-559 6 Durango CO   026D ONVOY, LLC - CO 656   2023-08-11   
970-559 7 Durango CO   6529 T-MOBILE USA, INC. 656   2023-01-26   
970-559 8 Durango CO   6529 T-MOBILE USA, INC. 656   2023-01-26   
970-559 9 Durango CO   6529 T-MOBILE USA, INC. 656   2023-01-26   

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

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