Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
989-789 5 Marlette MI 624H ONVOY SPECTRUM, LLC 344   2024-08-11   
989-795 7 Fostoria MI 624H ONVOY SPECTRUM, LLC 344   2024-08-11   
989-809 3 Sanford MI 624H ONVOY SPECTRUM, LLC 344   2024-08-11   
989-812 5 Pinconning MI 624H ONVOY SPECTRUM, LLC 344   2024-08-11   
989-819 3 Caseville MI 624H ONVOY SPECTRUM, LLC 344   2024-08-11   
989-827 4 Kingston MI 624H ONVOY SPECTRUM, LLC 344   2024-08-11   
989-868 2 Reese MI 624H ONVOY SPECTRUM, LLC 344   2024-08-11   
989-878 5 Freeland MI 624H ONVOY SPECTRUM, LLC 344   2024-08-11   
989-883 6 Sebewaing MI 624H ONVOY SPECTRUM, LLC 344   2024-08-11   
989-899 8 Saginaw MI 624H ONVOY SPECTRUM, LLC 344   2022-01-13   
989-900 9 Saginaw MI 624H ONVOY SPECTRUM, LLC 344   2022-01-13   
989-902 A Saginaw MI 624H ONVOY SPECTRUM, LLC 344      
989-902 3 Saginaw MI 624H ONVOY SPECTRUM, LLC 344   2022-06-05   
989-902 4 Saginaw MI 624H ONVOY SPECTRUM, LLC 344   2022-06-05   
989-902 9 Saginaw MI 624H ONVOY SPECTRUM, LLC 344   2021-06-14   
989-917 2 Minden City MI 624H ONVOY SPECTRUM, LLC 344   2024-08-11   
989-918 4 Unionville MI 624H ONVOY SPECTRUM, LLC 344   2024-08-11   
989-919 2 St Helen MI 624H ONVOY SPECTRUM, LLC 344   2024-08-11   
989-931 4 Farwell MI 624H ONVOY SPECTRUM, LLC 344   2024-08-11   
989-955 7 Ubly MI 624H ONVOY SPECTRUM, LLC 344   2024-08-11   
989-989 8 Caro MI 624H ONVOY SPECTRUM, LLC 344   2024-08-11   
989-990 5 Saginaw MI 624H ONVOY SPECTRUM, LLC 344   2022-09-16   
989-990 6 Saginaw MI 624H ONVOY SPECTRUM, LLC 344   2022-09-16   
989-990 7 Saginaw MI 624H ONVOY SPECTRUM, LLC 344   2022-09-16   
989-990 8 Saginaw MI 624H ONVOY SPECTRUM, LLC 344   2022-09-16   
989-990 9 Saginaw MI 624H ONVOY SPECTRUM, LLC 344   2022-09-16   
989-994 2 Beaverton MI 624H ONVOY SPECTRUM, LLC 344   2024-08-11   
989-997 2 Glennie MI 624H ONVOY SPECTRUM, LLC 344   2024-08-11   

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Last updated: Wed, 04 Mar 2026 03:00:52 UTC

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