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: 514

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
989-514 A Sterling MI SGNWMIATUMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 344      
989-514 0 Sterling MI   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 344      
989-514 1 Sterling MI   543C ONVOY, LLCV - MI 344   2017-05-26   
989-514 2 Sterling MI   543C ONVOY, LLCV - MI 344   2017-10-29   
989-514 3 Sterling MI   624H ONVOY SPECTRUM, LLC 344   2023-05-30   
989-514 4 Sterling MI   543C ONVOY, LLCV - MI 344   2021-02-04   
989-514 5 Sterling MI   543C ONVOY, LLCV - MI 344   2021-02-04   
989-514 6 Sterling MI   6120 LEVEL 3 COMMUNICATIONS, LLC - MI 344   2015-05-08   
989-514 7 Sterling MI   543C ONVOY, LLCV - MI 344   2013-04-05   

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

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