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: 210

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
989-210 A Au Gres MI SGNWMIATUMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 344      
989-210 0 Au Gres MI   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 344      
989-210 1 Au Gres MI   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 344      
989-210 2 Au Gres MI   624H ONVOY SPECTRUM, LLC 344   2024-08-11   
989-210 6 Au Gres MI   770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 344   2022-04-21   
989-210 7 Au Gres MI   6120 LEVEL 3 COMMUNICATIONS, LLC - MI 344   2015-12-15   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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