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: 943

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
231-943 A Traverse City MI GRWNMIMNRS0  9323 AMERITECH MICHIGAN 348      
231-943 0 Traverse City MI   9323 AMERITECH MICHIGAN 348      
231-943 1 Traverse City MI   351D CHARTER FIBERLINK - MICHIGAN, LLC - MI 348   2012-09-03   
231-943 2 Traverse City MI   351D CHARTER FIBERLINK - MICHIGAN, LLC - MI 348   2013-06-07   
231-943 3 Traverse City MI   9323 AMERITECH MICHIGAN 348      
231-943 4 Traverse City MI   9323 AMERITECH MICHIGAN 348      
231-943 5 Traverse City MI   9323 AMERITECH MICHIGAN 348      
231-943 6 Traverse City MI   543C ONVOY, LLC - MI 348   2021-01-08   
231-943 7 Traverse City MI   9323 AMERITECH MICHIGAN 348      
231-943 8 Traverse City MI   9323 AMERITECH MICHIGAN 348      
231-943 9 Traverse City MI   9323 AMERITECH MICHIGAN 348      

Last updated: Sun, 04 Apr 2021 19:28:27 UTC

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