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: 355

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
586-355 A Richmond MI SFLDMITODS2  543C ONVOY, LLCV - MI 340      
586-355 0 Richmond MI SFLDMITOEMD  495J STRATUS NETWORKS 340   2021-05-28   
586-355 1 Richmond MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2021-07-12   
586-355 3 Richmond MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2021-03-07   
586-355 4 Richmond MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2021-03-07   
586-355 5 Richmond MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2021-03-07   
586-355 6 Richmond MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2021-03-07   
586-355 7 Richmond MI DTRTMIVWDMD  624H ONVOY SPECTRUM, LLC 340   2021-06-15   
586-355 8 Richmond MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2021-07-12   
586-355 9 Richmond MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2021-09-02   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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