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: 379

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
586-379 A Armada MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2026-07-26   
586-379 7 Armada MI   114J EXIANT COMMUNICATIONS LLC 340   2026-08-14   
586-379 9 Armada MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2026-07-26   

Last updated: Sat, 01 Aug 2026 03:19:33 UTC

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