Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 989 [Rate centres in NPA 989] [Dial plan for NPA 989]

NXX: 869

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
989-869 A Twining MI   792K CHARTER IP ENABLED SERVICES, LLC 344      
989-869 4 Twining MI SGNWMIACEMD  516J TON80 COMMUNICATIONS, LLC 344   2022-03-28   
989-869 9 Twining MI   792K CHARTER IP ENABLED SERVICES, LLC 344   2017-06-12   

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

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