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: 371

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
586-371 A Washington MI SFLDMITODS2  543C ONVOY, LLCV - MI 340      
586-371 0 Washington MI   543C ONVOY, LLCV - MI 340   2018-09-10   
586-371 1 Washington MI   5562 METROPCS, INC. 340   2017-02-01   
586-371 2 Washington MI   991E BANDWIDTH.COM CLEC, LLC - MI 340   2019-06-03   
586-371 3 Washington MI   5562 METROPCS, INC. 340   2016-07-03   
586-371 4 Washington MI   318J COMCAST IP PHONE, LLC 340   2016-05-18   
586-371 5 Washington MI   543C ONVOY, LLCV - MI 340   2020-07-07   
586-371 6 Washington MI   543C ONVOY, LLCV - MI 340   2020-07-07   
586-371 7 Washington MI   543C ONVOY, LLCV - MI 340   2016-05-12   
586-371 8 Washington MI   543C ONVOY, LLCV - MI 340   2016-05-12   
586-371 9 Washington MI   991E BANDWIDTH.COM CLEC, LLC - MI 340   2016-09-09   

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

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