Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 989 [Rate centres in NPA 989] [Dial plan for NPA 989]

NXX: 554

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
989-554 A Midland MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 344   2025-10-13   
989-554 4 Midland MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 344   2025-10-14   
989-554 5 Midland MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 344   2025-10-14   
989-554 9 Midland MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 344   2025-10-13   

Last updated: Mon, 15 Sep 2025 02:24:40 UTC

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