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: 746

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
231-746 A Cheboygan MI BRSPMI097MD  516J TON80 COMMUNICATIONS, LLC 348      
231-746 0 Cheboygan MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2023-08-12   
231-746 2 Cheboygan MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2022-09-30   
231-746 3 Cheboygan MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2022-09-30   
231-746 4 Cheboygan MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2023-07-08   
231-746 5 Cheboygan MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2022-04-22   
231-746 7 Cheboygan MI BRSPMI097MD  516J TON80 COMMUNICATIONS, LLC 348   2022-04-21   
231-746 9 Cheboygan MI BRSPMI09DS0  933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 348   2024-12-21   

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

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