Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: DTRTMIBHMMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
586-329 7 Mount Clemens MI 8685 US XCHANGE OF MICHIGAN LLC DBA CHOICE ONE COMM MI 340   2008-01-07   

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

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