Local Calling Guide

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

NXX: 328

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
989-328 A Sidney MI SDNYMIXGRS0  0695 FRONTIER NORTH, INC. - MI 344      
989-328 0 Sidney MI   2550 123.NET, LLC 344   2005-09-03   
989-328 1 Sidney MI   0695 FRONTIER NORTH, INC. - MI 344      
989-328 2 Sidney MI   0695 FRONTIER NORTH, INC. - MI 344      
989-328 3 Sidney MI   145J TERRA NOVA TELECOM INC. 344   2025-07-10   
989-328 4 Sidney MI   6120 LEVEL 3 COMMUNICATIONS, LLC - MI 344   2006-05-31   
989-328 5 Sidney MI   792K CHARTER IP ENABLED SERVICES, LLC 344   2007-03-18   
989-328 6 Sidney MI   0695 FRONTIER NORTH, INC. - MI 344      
989-328 7 Sidney MI   508J CENTURYLINK COMMUNICATIONS, LLC 344   2015-05-08   
989-328 8 Sidney MI   691A DAYSTARR, LLC DBA DAYSTARR COMMUNICATIONS - MI 344   2014-07-12   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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