Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 231 [Rate centres in NPA 231] [Dial plan for NPA 231]

NXX: 345

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
231-345 A Reed City MI GDRPMIBL00Z  991E BANDWIDTH.COM CLEC, LLC - MI 348      
231-345 3 Reed City MI   817J TELNET WORLDWIDE, INC. 348   2005-09-02   
231-345 6 Reed City MI GDRPMIBL00Z  991E BANDWIDTH.COM CLEC, LLC - MI 348   2011-02-21   

Last updated: Fri, 25 Jul 2025 03:21:23 UTC

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