Local Calling Guide

Area code/prefix search

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

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
810-271 A   792K CHARTER IP ENABLED SERVICES, LLC 340      
810-271 0   792K CHARTER IP ENABLED SERVICES, LLC 340   2019-10-01   
810-271 2   145J TERRA NOVA TELECOM INC. 340   2025-07-10   
810-621 A LNONMIXIDS1  0708 LENNON TEL. CO. 340      

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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