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: 997

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
989-997 A Glennie MI SGNWMIACEMD  516J TON80 COMMUNICATIONS, LLC 344      
989-997 2 Glennie MI   624H ONVOY SPECTRUM, LLC 344   2024-08-11   
989-997 7 Glennie MI   516J TON80 COMMUNICATIONS, LLC 344   2022-05-04   
989-997 8 Glennie MI   543C ONVOY, LLCV - MI 344   2023-04-22   
989-997 9 Glennie MI   543C ONVOY, LLCV - MI 344   2023-08-26   

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

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