Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: STLSMIXGRS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
989-681 A St Louis MI 0695 FRONTIER NORTH, INC. - MI 344      
989-681 0 St Louis MI 0695 FRONTIER NORTH, INC. - MI 344      
989-681 2 St Louis MI 0695 FRONTIER NORTH, INC. - MI 344      
989-681 3 St Louis MI 0695 FRONTIER NORTH, INC. - MI 344      
989-681 4 St Louis MI 0695 FRONTIER NORTH, INC. - MI 344      
989-681 5 St Louis MI 0695 FRONTIER NORTH, INC. - MI 344      
989-681 6 St Louis MI 0695 FRONTIER NORTH, INC. - MI 344      
989-681 9 St Louis MI 0695 FRONTIER NORTH, INC. - MI 344      

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

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