Local Calling Guide

Area code/prefix search

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NPA: 231 [Rate centres in NPA 231] [Dial plan for NPA 231]

NXX: 771

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
231-771 A Elk Rapids MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348      
231-771 0 Elk Rapids MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2016-05-20   
231-771 1 Elk Rapids MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2016-05-20   
231-771 2 Elk Rapids MI BRSPMI09DS0  933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 348   2019-12-18   
231-771 3 Elk Rapids MI BRSPMI09DS0  933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 348   2020-03-18   
231-771 4 Elk Rapids MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2021-03-06   
231-771 5 Elk Rapids MI GDRPMIBL36Z  624H ONVOY SPECTRUM, LLC 348   2021-06-19   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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