Local Calling Guide

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Muskegon, MI

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
231-903 5   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 348   2005-06-10   
231-903 6   6120 LEVEL 3 COMMUNICATIONS, LLC - MI 348   2012-06-28   
231-903 7   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 348   2005-06-10   
231-903 8   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 348   2005-06-10   
231-903 9   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 348   2005-06-10   
231-955 A WYNGMIKAGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348      
231-955 0   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348      
231-955 1   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348   2009-08-26   
231-955 2   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348   2009-08-26   
231-955 3   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348   2009-09-13   
231-955 4   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348   2009-09-13   
231-955 5   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348   2009-09-13   
231-955 6   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348   2009-03-20   
231-955 7   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348   2009-08-09   
231-955 8   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348   2009-11-13   
231-955 9   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348   2009-11-13   

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Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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