Local Calling Guide

Area code/prefix search

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

NXX: 742

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
989-742 A Hillman MI HLMNMIXGRS0  0695 FRONTIER NORTH, INC. - MI 344      
989-742 0 Hillman MI   508J CENTURYLINK COMMUNICATIONS, LLC 344   2015-05-08   
989-742 1 Hillman MI   6120 LEVEL 3 COMMUNICATIONS, LLC - MI 344   2022-02-18   
989-742 2 Hillman MI   0695 FRONTIER NORTH, INC. - MI 344      
989-742 3 Hillman MI   0695 FRONTIER NORTH, INC. - MI 344      
989-742 4 Hillman MI   0695 FRONTIER NORTH, INC. - MI 344      
989-742 5 Hillman MI   145J TERRA NOVA TELECOM INC. 344   2025-05-28   
989-742 6 Hillman MI   2550 123.NET, LLC 344   2013-03-11   
989-742 7 Hillman MI   0695 FRONTIER NORTH, INC. - MI 344      
989-742 8 Hillman MI   0695 FRONTIER NORTH, INC. - MI 344      
989-742 9 Hillman MI   792K CHARTER IP ENABLED SERVICES, LLC 344   2022-06-19   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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