Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Garden, MI

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
906-628 A MNSGMIXJDS2  116F PENINSULA FIBER NETWORK, LLC - MI 342      
906-628 0 MNSGMIXJDS2  116F PENINSULA FIBER NETWORK, LLC - MI 342   2013-11-23   
906-628 2 HNCCMIMN3MD  543C ONVOY, LLCV - MI 342   2021-08-22   
906-628 5 MRQTMIMNX2X  624H ONVOY SPECTRUM, LLC 342   2024-06-29   
906-628 6 HNCCMIMN3MD  543C ONVOY, LLCV - MI 342   2021-06-05   
906-628 7 MRQTMIMNCMD  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 342   2018-03-09   
906-628 8 HNCCMIMN3MD  543C ONVOY, LLCV - MI 342   2021-07-11   
906-644 A GRDNMIXGRS0  0689 BRIGHTSPEED OF UPPER MICHIGAN, INC. 342      

Last updated: Fri, 10 Jul 2026 02:55:48 UTC

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