Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: CRCYMIXGRS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
989-584 A Carson City MI 0695 FRONTIER NORTH, INC. - MI 344      
989-584 0 Carson City MI 0695 FRONTIER NORTH, INC. - MI 344      
989-584 3 Carson City MI 0695 FRONTIER NORTH, INC. - MI 344      
989-584 6 Carson City MI 0695 FRONTIER NORTH, INC. - MI 344      

Last updated: Tue, 31 Mar 2026 13:56:49 UTC

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