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: 212

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
231-212 A Interlochen MI TRCYMIMNWMD  508J CENTURYLINK COMMUNICATIONS, LLC 348      
231-212 0 Interlochen MI GDRPMIBLX8Z  2550 123.NET, LLC 348      
231-212 1 Interlochen MI GDRPMIBL36Z  624H ONVOY SPECTRUM, LLC 348      
231-212 3 Interlochen MI GDRPMIBL36Z  624H ONVOY SPECTRUM, LLC 348      
231-212 5 Interlochen MI GDRPMIBL36Z  624H ONVOY SPECTRUM, LLC 348      
231-212 7 Interlochen MI TRCYMIMNWMD  508J CENTURYLINK COMMUNICATIONS, LLC 348      
231-212 9 Interlochen MI BRSPMI09DS0  933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 348      

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

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