Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: HGPTMIXLRS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
989-422 A Houghton Lake MI 0695 FRONTIER NORTH, INC. - MI 344      
989-422 2 Houghton Lake MI 0695 FRONTIER NORTH, INC. - MI 344      
989-422 3 Houghton Lake MI 0695 FRONTIER NORTH, INC. - MI 344      
989-422 4 Houghton Lake MI 0695 FRONTIER NORTH, INC. - MI 344      
989-422 5 Houghton Lake MI 0695 FRONTIER NORTH, INC. - MI 344      
989-422 6 Houghton Lake MI 0695 FRONTIER NORTH, INC. - MI 344      
989-422 7 Houghton Lake MI 0695 FRONTIER NORTH, INC. - MI 344      

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

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