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: 680

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
231-680 A Reed City MI GDRPMIQLX5Y  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 348      
231-680 0 Reed City MI   991E BANDWIDTH.COM CLEC, LLC - MI 348   2009-03-07   
231-680 1 Reed City MI   543C ONVOY, LLCV - MI 348   2023-08-06   
231-680 2 Reed City MI   543C ONVOY, LLCV - MI 348   2012-06-01   
231-680 3 Reed City MI   770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 348   2013-08-06   
231-680 4 Reed City MI   6120 LEVEL 3 COMMUNICATIONS, LLC - MI 348      
231-680 5 Reed City MI   516C AT&T CORP. 348   2012-12-03   
231-680 6 Reed City MI   624H ONVOY SPECTRUM, LLC 348   2021-06-20   
231-680 7 Reed City MI   508J CENTURYLINK COMMUNICATIONS, LLC 348   2016-10-15   
231-680 8 Reed City MI   543C ONVOY, LLCV - MI 348   2021-11-15   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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