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: 273

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
231-273 A Eastport MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348      
231-273 0 Eastport MI GDRPMIBL36Z  624H ONVOY SPECTRUM, LLC 348   2021-11-22   
231-273 1 Eastport MI GDRPMIBL36Z  624H ONVOY SPECTRUM, LLC 348   2021-11-22   
231-273 2 Eastport MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2021-04-25   
231-273 3 Eastport MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2020-12-26   
231-273 4 Eastport MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2020-12-26   
231-273 5 Eastport MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2021-07-11   
231-273 6 Eastport MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2021-03-06   
231-273 7 Eastport MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2021-03-06   
231-273 8 Eastport MI GDRPMIBL36Z  624H ONVOY SPECTRUM, LLC 348   2021-06-19   
231-273 9 Eastport MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2021-12-13   

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

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