Local Calling Guide

Area code/prefix search

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NPA: 586 [Rate centres in NPA 586] [Dial plan for NPA 586]

NXX: 409

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
586-409 A Mount Clemens MI SFLDMIMKDS2  6630 USA MOBILITY WIRELESS, INC. 340      

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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