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: 990

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
989-990 A Saginaw MI SGNWMIFAXYY  622J SKYE TELECOM LLC DBA SKYETEL 344      
989-990 0 Saginaw MI   622J SKYE TELECOM LLC DBA SKYETEL 344   2021-11-19   
989-990 1 Saginaw MI   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 344   2022-10-24   
989-990 2 Saginaw MI   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 344   2025-01-22   
989-990 3 Saginaw MI   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 344   2025-01-22   
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   

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

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