Local Calling Guide

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NPA: 989 [Rate centres in NPA 989] [Dial plan for NPA 989]

NXX: 204

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
989-204 A Crystal MI SGNWMIATUMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 344      
989-204 0 Crystal MI   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 344      
989-204 1 Crystal MI   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 344      
989-204 2 Crystal MI   543C ONVOY, LLCV - MI 344   2020-05-10   
989-204 3 Crystal MI   543C ONVOY, LLCV - MI 344   2020-05-10   
989-204 4 Crystal MI   543C ONVOY, LLCV - MI 344   2020-09-12   
989-204 5 Crystal MI   543C ONVOY, LLCV - MI 344   2020-09-12   
989-204 7 Crystal MI   6120 LEVEL 3 COMMUNICATIONS, LLC - MI 344   2015-12-15   
989-204 8 Crystal MI   543C ONVOY, LLCV - MI 344   2018-10-20   
989-204 9 Crystal MI   624H ONVOY SPECTRUM, LLC 344   2023-05-30   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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