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: 917

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
989-917 A Minden City MI SGNWMIATUMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 344      
989-917 0 Minden City MI   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 344      
989-917 2 Minden City MI   624H ONVOY SPECTRUM, LLC 344   2024-08-11   
989-917 6 Minden City MI   770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 344   2016-03-18   
989-917 7 Minden City MI   543C ONVOY, LLCV - MI 344   2021-04-25   
989-917 9 Minden City MI   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 344   2015-09-28   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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