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:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
231-707 A Newaygo MI   543C ONVOY, LLC - MI 348      
231-707 0 Newaygo MI   6664 SPRINT SPECTRUM L.P. 348   2017-04-06   
231-707 7 Newaygo MI   543C ONVOY, LLC - MI 348   2016-04-25   
231-707 8 Newaygo MI   543C ONVOY, LLC - MI 348   2016-04-25   

Last updated: Sat, 08 Jun 2019 01:52:21 UTC

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