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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NPA: 616 [Rate centres in NPA 616] [Dial plan for NPA 616]

NXX: 324

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
616-324 A Casnovia MI GDRPMIBL00Z  991E BANDWIDTH.COM CLEC, LLC - MI 348      
616-324 0 Casnovia MI GDRPMIBL00Z  991E BANDWIDTH.COM CLEC, LLC - MI 348   2021-09-23   
616-324 2 Casnovia MI BRSPMI096MD  145J TERRA NOVA TELECOM INC. 348   2024-05-11   

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

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