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: 900

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
231-900 A Muskegon MI BRSPMI095MD  965H FRACTEL LLC 348      
231-900 0 Muskegon MI   965H FRACTEL LLC 348   2019-07-07   
231-900 1 Muskegon MI   991E BANDWIDTH.COM CLEC, LLC - MI 348   2019-07-08   
231-900 3 Muskegon MI   318J COMCAST IP PHONE LLC 348   2020-11-12   
231-900 4 Muskegon MI   6120 LEVEL 3 COMMUNICATIONS, LLC - MI 348   2020-06-28   
231-900 5 Muskegon MI   624H ONVOY SPECTRUM, LLC 348   2020-07-07   
231-900 6 Muskegon MI   624H ONVOY SPECTRUM, LLC 348   2020-07-07   
231-900 7 Muskegon MI   624H ONVOY SPECTRUM, LLC 348   2020-07-07   
231-900 8 Muskegon MI   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348   2019-12-24   
231-900 9 Muskegon MI   965H FRACTEL LLC 348   2019-07-07   

Last updated: Sun, 04 Apr 2021 19:28:27 UTC

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