Local Calling Guide

Area code/prefix search

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

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
231-424 A GDRPMIBLXTZ  3535 ACD TELECOM, INC. - MI 348      
231-424 2   145J TERRA NOVA TELECOM INC. 348   2026-02-06   
231-424 4   145J TERRA NOVA TELECOM INC. 348   2025-05-31   
231-424 7   3535 ACD TELECOM, INC. - MI 348   2005-03-20   
231-898 A CARRMIXADS0  0683 CARR TEL. CO. 348      
231-898 0   0683 CARR TEL. CO. 348      
231-898 1   0683 CARR TEL. CO. 348      
231-898 2   0683 CARR TEL. CO. 348      
231-898 3   0683 CARR TEL. CO. 348      
231-898 4   0683 CARR TEL. CO. 348      
231-898 5   0683 CARR TEL. CO. 348      
231-898 6   0683 CARR TEL. CO. 348      
231-898 7   792K CHARTER IP ENABLED SERVICES, LLC 348   2017-01-07   
231-898 8   0683 CARR TEL. CO. 348      
231-898 9   0683 CARR TEL. CO. 348      

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

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