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: 324

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
231-324 A Harbor Springs MI GDRPMIBL06Z  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 348      
231-324 0 Harbor Springs MI BRSPMI091MD  939H COMMIO, LLC 348      
231-324 1 Harbor Springs MI BRSPMI091MD  939H COMMIO, LLC 348      
231-324 3 Harbor Springs MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348      
231-324 4 Harbor Springs MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348      
231-324 5 Harbor Springs MI GDRPMIBL36Z  624H ONVOY SPECTRUM, LLC 348      
231-324 6 Harbor Springs MI GDRPMIBL06Z  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 348      
231-324 7 Harbor Springs MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348      
231-324 8 Harbor Springs MI BRSPMI09DS0  933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 348      
231-324 9 Harbor Springs MI GDRPMIBL36Z  624H ONVOY SPECTRUM, LLC 348      

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

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