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: 412

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
231-412 A Harbor Springs MI GDRPMIBL00Z  991E BANDWIDTH.COM CLEC, LLC - MI 348      
231-412 0 Harbor Springs MI GDRPMIBL00Z  991E BANDWIDTH.COM CLEC, LLC - MI 348      
231-412 1 Harbor Springs MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348      
231-412 2 Harbor Springs MI GDRPMIBL00Z  991E BANDWIDTH.COM CLEC, LLC - MI 348      
231-412 3 Harbor Springs MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348      
231-412 4 Harbor Springs MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348      
231-412 5 Harbor Springs MI GDRPMIBL15Z  516C AT&T CORP. 348      
231-412 6 Harbor Springs MI GFTPMIEF1MD  351D CHARTER FIBERLINK - MICHIGAN, LLC - MI 348      
231-412 7 Harbor Springs MI GDRPMIBL00Z  991E BANDWIDTH.COM CLEC, LLC - MI 348      
231-412 8 Harbor Springs MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348      
231-412 9 Harbor Springs MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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