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: 216

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
231-216 A Frankfort MI BRSPMI09DS0  933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 348      
231-216 0 Frankfort MI GDRPMIBL00Z  991E BANDWIDTH.COM CLEC, LLC - MI 348   2018-10-26   
231-216 1 Frankfort MI BRSPMI09DS0  933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 348   2016-01-22   
231-216 2 Frankfort MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2017-02-12   
231-216 3 Frankfort MI BRSPMI092MD  197D VONAGE AMERICA LLC 348   2019-10-11   
231-216 4 Frankfort MI GDRQMIBODS0  7157 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 348   2020-09-08   
231-216 5 Frankfort MI BRSPMI09DS0  933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 348   2020-10-29   
231-216 6 Frankfort MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2018-09-13   
231-216 7 Frankfort MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2016-03-18   
231-216 8 Frankfort MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2016-03-18   
231-216 9 Frankfort MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2021-03-06   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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