Local Calling Guide

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NPA: 989 [Rate centres in NPA 989] [Dial plan for NPA 989]

NXX: 406

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
989-406 A Fairview MI   792K CHARTER IP ENABLED SERVICES, LLC 344      
989-406 0 Fairview MI   792K CHARTER IP ENABLED SERVICES, LLC 344   2021-06-27   
989-406 4 Fairview MI   624H ONVOY SPECTRUM, LLC 344   2023-05-30   

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

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