Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
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OCN: 991E BANDWIDTH.COM CLEC, LLC - MI

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
989-912 3 Cass City MI SGNWMIFAXJX  344   2012-07-09   
989-918 3 Unionville MI SGNWMIFAXJX  344   2022-02-12   
989-941 6 Midland MI SGNWMIFAXJX  344   2011-07-09   
989-966 9 Vanderbilt MI SGNWMIFAXJX  344   2020-08-30   
989-985 A Fowler-Pewamo MI SGNWMIFAXJX  344      
989-985 0 Fowler-Pewamo MI SGNWMIFAXJX  344   2018-06-29   

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Last updated: Sun, 01 Nov 2026 02:11:49 UTC

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