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: 290

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
586-290 A Richmond MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
586-290 0 Richmond MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2020-09-12   
586-290 1 Richmond MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2020-09-12   
586-290 2 Richmond MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2020-02-08   
586-290 3 Richmond MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2020-02-08   
586-290 8 Richmond MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2019-03-23   
586-290 9 Richmond MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2019-03-23   

Last updated: Sat, 02 May 2026 12:20:53 UTC

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