Local Calling Guide

Area code/prefix search

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

NXX: 642

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
989-642 A Hemlock MI HMLCMIXGRS0  0695 FRONTIER NORTH, INC. - MI 344      
989-642 0 Hemlock MI   6120 LEVEL 3 COMMUNICATIONS, LLC - MI 344   2004-11-14   
989-642 1 Hemlock MI   691A DAYSTARR, LLC DBA DAYSTARR COMMUNICATIONS - MI 344   2005-09-19   
989-642 2 Hemlock MI   0695 FRONTIER NORTH, INC. - MI 344      
989-642 3 Hemlock MI   0695 FRONTIER NORTH, INC. - MI 344      
989-642 4 Hemlock MI   0695 FRONTIER NORTH, INC. - MI 344      
989-642 5 Hemlock MI   0695 FRONTIER NORTH, INC. - MI 344      
989-642 6 Hemlock MI   0695 FRONTIER NORTH, INC. - MI 344      
989-642 7 Hemlock MI   0695 FRONTIER NORTH, INC. - MI 344      
989-642 8 Hemlock MI   0695 FRONTIER NORTH, INC. - MI 344      
989-642 9 Hemlock MI   0695 FRONTIER NORTH, INC. - MI 344      

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

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