Local Calling Guide

Area code/prefix search

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

NXX: 407

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
989-407 A Ashley MI SGNWMIFAXJX  991E BANDWIDTH.COM CLEC, LLC - MI 344      
989-407 0 Ashley MI SGNWMIFAXJX  991E BANDWIDTH.COM CLEC, LLC - MI 344   2021-07-23   
989-407 4 Ashley MI ALMAMIXGOMD  624H ONVOY SPECTRUM, LLC 344   2023-05-30   
989-407 7 Ashley MI SGNWMIFAXKX  543C ONVOY, LLCV - MI 344   2021-07-24   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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