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: 401

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
231-401 A Traverse City MI TRCYMIMNVMD  116F PENINSULA FIBER NETWORK, LLC - MI 348      
231-401 0 Traverse City MI TRCYMIMNVMD  116F PENINSULA FIBER NETWORK, LLC - MI 348   2022-02-11   
231-401 1 Traverse City MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2023-08-12   
231-401 2 Traverse City MI GDRPMIBL36Z  624H ONVOY SPECTRUM, LLC 348   2022-02-12   
231-401 3 Traverse City MI GDRPMIBL36Z  624H ONVOY SPECTRUM, LLC 348   2022-02-12   
231-401 7 Traverse City MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2022-09-30   
231-401 8 Traverse City MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2022-09-30   
231-401 9 Traverse City MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2023-08-12   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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