Local Calling Guide

Area code/prefix search

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

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
906-390 A PRKNMIATPMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 342      
906-390 0 PRKNMIATPMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 342      
906-390 1 MNSGMIXJDS2  116F PENINSULA FIBER NETWORK, LLC - MI 342   2013-09-28   
906-390 2 PRKNMIATPMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 342   2016-06-29   
906-390 7   6120 LEVEL 3 COMMUNICATIONS, LLC - MI 342   2025-06-13   
906-390 8   792K CHARTER IP ENABLED SERVICES, LLC 342   2019-09-03   
906-673 A MRQTMIACCM0  6695 RANGE TELECOMMUNICATIONS 342      
906-884 A ONTNMIXIRS1  0717 ONTONAGON COUNTY TEL. CO. 342      

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

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