Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: ALMAMIXGPS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
989-409 A Alma MI 0695 FRONTIER NORTH, INC. - MI 344      
989-409 4 Alma MI 0695 FRONTIER NORTH, INC. - MI 344   2015-06-22   

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

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