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: 626

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
231-626 A Levering MI   792K CHARTER IP ENABLED SERVICES, LLC 348      
231-626 0 Levering MI   543C ONVOY, LLCV - MI 348   2023-04-28   
231-626 1 Levering MI   792K CHARTER IP ENABLED SERVICES, LLC 348      
231-626 2 Levering MI   6120 LEVEL 3 COMMUNICATIONS, LLC - MI 348   2019-08-05   
231-626 3 Levering MI   516J TON80 COMMUNICATIONS, LLC 348   2022-03-19   
231-626 4 Levering MI   543C ONVOY, LLCV - MI 348   2020-11-27   
231-626 5 Levering MI   543C ONVOY, LLCV - MI 348   2020-11-27   
231-626 6 Levering MI   543C ONVOY, LLCV - MI 348   2019-09-05   
231-626 7 Levering MI   508J CENTURYLINK COMMUNICATIONS, LLC 348   2015-09-15   
231-626 8 Levering MI   624H ONVOY SPECTRUM, LLC 348   2021-06-19   
231-626 9 Levering MI   991E BANDWIDTH.COM CLEC, LLC - MI 348   2025-12-11   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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