Local Calling Guide

Area code/prefix search

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

NXX: 817

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
989-817 A Mount Pleasant MI MNPLMIXGDS0  0695 FRONTIER NORTH, INC. - MI 344      
989-817 0 Mount Pleasant MI   0695 FRONTIER NORTH, INC. - MI 344      
989-817 1 Mount Pleasant MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 344   2010-06-01   
989-817 2 Mount Pleasant MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 344   2010-07-14   
989-817 3 Mount Pleasant MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 344   2010-07-14   
989-817 4 Mount Pleasant MI   2550 123.NET, LLC 344   2010-08-21   
989-817 5 Mount Pleasant MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 344   2019-07-15   
989-817 6 Mount Pleasant MI   5562 METROPCS, INC. 344   2009-09-07   
989-817 7 Mount Pleasant MI   046L CLEAR RATE COMMUNICATIONS, LLC 344   2009-02-20   
989-817 8 Mount Pleasant MI   5562 METROPCS, INC. 344   2009-09-07   
989-817 9 Mount Pleasant MI   3535 ACD TELECOM, INC. - MI 344   2009-01-22   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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