Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 586 [Rate centres in NPA 586] [Dial plan for NPA 586]

NXX: 358

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
586-358 A Utica MI DTRTMIVWDMD  624H ONVOY SPECTRUM, LLC 340      
586-358 0 Utica MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2024-03-18   
586-358 1 Utica MI   543C ONVOY, LLCV - MI 340   2023-07-02   
586-358 2 Utica MI   543C ONVOY, LLCV - MI 340   2023-07-02   
586-358 3 Utica MI   543C ONVOY, LLCV - MI 340   2023-07-02   
586-358 4 Utica MI   543C ONVOY, LLCV - MI 340   2023-07-02   
586-358 5 Utica MI   624H ONVOY SPECTRUM, LLC 340   2023-06-23   
586-358 6 Utica MI   543C ONVOY, LLCV - MI 340   2023-07-02   
586-358 7 Utica MI   543C ONVOY, LLCV - MI 340   2023-07-02   
586-358 8 Utica MI   624H ONVOY SPECTRUM, LLC 340   2023-04-24   
586-358 9 Utica MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2024-03-18   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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