Local Calling Guide

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Search area code/prefix (NPA/NXX)
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NPA: 989 [Rate centres in NPA 989] [Dial plan for NPA 989]

NXX: 601

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
989-601 A Ithaca MI SGNWMIATUMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 344      
989-601 0 Ithaca MI   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 344      
989-601 1 Ithaca MI   145J TERRA NOVA TELECOM INC. 344   2026-02-06   
989-601 2 Ithaca MI   543C ONVOY, LLCV - MI 344   2020-02-08   
989-601 3 Ithaca MI   543C ONVOY, LLCV - MI 344   2020-02-08   
989-601 4 Ithaca MI   624H ONVOY SPECTRUM, LLC 344   2023-05-30   
989-601 5 Ithaca MI   543C ONVOY, LLCV - MI 344   2021-02-04   
989-601 6 Ithaca MI   991E BANDWIDTH.COM CLEC, LLC - MI 344   2019-08-16   
989-601 7 Ithaca MI   543C ONVOY, LLCV - MI 344   2021-02-04   
989-601 8 Ithaca MI   543C ONVOY, LLCV - MI 344   2021-02-04   

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

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