Local Calling Guide

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

NXX: 379

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
989-379 A Lachine MI LCHNMIXGRS0  0695 FRONTIER NORTH, INC. - MI 344      
989-379 0 Lachine MI   817J INTERACTIVE SERVICES NETWORK, INC. 344   2005-09-04   
989-379 1 Lachine MI   792K CHARTER IP ENABLED SERVICES, LLC 344   2007-03-18   
989-379 2 Lachine MI   0695 FRONTIER NORTH, INC. - MI 344      
989-379 3 Lachine MI   0695 FRONTIER NORTH, INC. - MI 344      
989-379 4 Lachine MI   0695 FRONTIER NORTH, INC. - MI 344      
989-379 5 Lachine MI   6120 LEVEL 3 COMMUNICATIONS, LLC - MI 344   2015-05-08   
989-379 6 Lachine MI   2550 123.NET, LLC 344   2013-03-09   
989-379 7 Lachine MI   0695 FRONTIER NORTH, INC. - MI 344      
989-379 9 Lachine MI   145J TERRA NOVA TELECOM INC. 344   2025-06-06   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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