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.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
947-886 1 Pontiac MI 991E BANDWIDTH.COM CLEC, LLC - MI 340   2018-09-03   
947-886 3 Pontiac MI 991E BANDWIDTH.COM CLEC, LLC - MI 340   2018-09-03   
947-886 4 Pontiac MI 991E BANDWIDTH.COM CLEC, LLC - MI 340   2018-10-20   
947-888 3 Clarkston MI 991E BANDWIDTH.COM CLEC, LLC - MI 340   2016-07-23   
989-271 5 Gaines MI 991E BANDWIDTH.COM CLEC, LLC - MI 340   2021-08-07   

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Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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