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: 359

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
231-359 A Mecosta MI GFTPMIEF1MD  351D CHARTER FIBERLINK - MICHIGAN, LLC - MI 348      
231-359 0 Mecosta MI   624H ONVOY SPECTRUM, LLC 348   2021-11-22   
231-359 1 Mecosta MI   351D CHARTER FIBERLINK - MICHIGAN, LLC - MI 348      
231-359 2 Mecosta MI   543C ONVOY, LLCV - MI 348   2020-05-09   
231-359 3 Mecosta MI   543C ONVOY, LLCV - MI 348   2020-05-09   
231-359 4 Mecosta MI   543C ONVOY, LLCV - MI 348   2020-05-09   
231-359 5 Mecosta MI   543C ONVOY, LLCV - MI 348   2021-03-06   
231-359 6 Mecosta MI   543C ONVOY, LLCV - MI 348   2021-03-06   
231-359 7 Mecosta MI   508J CENTURYLINK COMMUNICATIONS LLC 348   2015-09-18   
231-359 8 Mecosta MI   506J TWILIO INTERNATIONAL INC 348   2021-07-26   
231-359 9 Mecosta MI   624H ONVOY SPECTRUM, LLC 348   2021-11-22   

Last updated: Fri, 01 Jul 2022 02:53:40 UTC

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