Local Calling Guide

Area code/prefix search

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

NXX: 789

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
989-789 A Marlette MI SGNWMIECXQX  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 344      
989-789 0 Marlette MI   543C ONVOY, LLCV - MI 344   2018-10-20   
989-789 1 Marlette MI   991E BANDWIDTH.COM CLEC, LLC - MI 344   2019-02-24   
989-789 2 Marlette MI   318J COMCAST IP PHONE, LLC 344   2021-02-09   
989-789 3 Marlette MI   543C ONVOY, LLCV - MI 344   2021-03-05   
989-789 4 Marlette MI   543C ONVOY, LLCV - MI 344   2021-03-05   
989-789 5 Marlette MI   624H ONVOY SPECTRUM, LLC 344   2024-08-11   
989-789 6 Marlette MI   770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 344   2017-10-11   
989-789 7 Marlette MI   6120 LEVEL 3 COMMUNICATIONS, LLC - MI 344   2015-06-06   

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

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