Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 906 [Rate centres in NPA 906] [Dial plan for NPA 906]

NXX: 390

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
906-390 A Ontonagon MI PRKNMIATPMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 342      
906-390 0 Ontonagon MI PRKNMIATPMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 342      
906-390 1 Ontonagon MI MNSGMIXJDS2  116F PENINSULA FIBER NETWORK, LLC - MI 342   2013-09-28   
906-390 2 Ontonagon MI PRKNMIATPMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 342   2016-06-29   
906-390 7 Ontonagon MI   6120 LEVEL 3 COMMUNICATIONS, LLC - MI 342   2025-06-13   
906-390 8 Ontonagon MI   792K CHARTER IP ENABLED SERVICES, LLC 342   2019-09-03   

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

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