Local Calling Guide

Area code/prefix search

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NPA: 906 [Rate centres in NPA 906] [Dial plan for NPA 906]

NXX: 420

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
906-420 A Gladstone MI NGNEMIAM6MD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 342      
906-420 0 Gladstone MI NGNEMIAM6MD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 342      
906-420 1 Gladstone MI NGNEMIAM6MD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 342      
906-420 2 Gladstone MI NGNEMIAM6MD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 342      
906-420 3 Gladstone MI NGNEMIAM6MD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 342      
906-420 4 Gladstone MI NGNEMIAM6MD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 342      
906-420 5 Gladstone MI NGNEMIAM6MD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 342      
906-420 6 Gladstone MI NGNEMIAM6MD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 342      
906-420 7 Gladstone MI MRQTMIMNCMD  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 342   2018-12-08   
906-420 8 Gladstone MI   792K CHARTER IP ENABLED SERVICES, LLC 342   2007-04-23   
906-420 9 Gladstone MI MRQTMIMNX2X  624H ONVOY SPECTRUM, LLC 342   2024-08-11   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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