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: 297

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
231-297 A Kingsley MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348      
231-297 0 Kingsley MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2023-04-06   
231-297 1 Kingsley MI GDRPMIBL36Z  624H ONVOY SPECTRUM, LLC 348   2021-12-03   
231-297 2 Kingsley MI GDRPMIBL41Z  506J TWILIO INTERNATIONAL, INC. 348   2021-11-05   
231-297 3 Kingsley MI GDRPMIBL36Z  624H ONVOY SPECTRUM, LLC 348   2021-12-03   
231-297 4 Kingsley MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2022-04-17   
231-297 5 Kingsley MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2022-12-19   
231-297 6 Kingsley MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2023-08-12   
231-297 7 Kingsley MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2021-08-26   
231-297 8 Kingsley MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2021-08-26   
231-297 9 Kingsley MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2023-07-08   

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

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