Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Lakes of the North, MI

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
231-214 A   792K CHARTER IP ENABLED SERVICES, LLC 348   2025-05-25   
231-214 1   792K CHARTER IP ENABLED SERVICES, LLC 348   2025-05-25   
231-585 A LKNRMIXJDS1  0721 PIGEON TEL. CO. 348      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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