Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 612 [Rate centres in NPA 612] [Dial plan for NPA 612]

NXX: 633

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
612-633 A Twin Cities MN STPLMNMKTMD  624H ONVOY SPECTRUM, LLC 628      
612-633 0 Twin Cities MN   624H ONVOY SPECTRUM, LLC 628   2021-11-14   
612-633 1 Twin Cities MN   624H ONVOY SPECTRUM, LLC 628   2021-11-14   
612-633 2 Twin Cities MN   624H ONVOY SPECTRUM, LLC 628   2021-11-14   
612-633 3 Twin Cities MN   624H ONVOY SPECTRUM, LLC 628   2021-11-14   
612-633 4 Twin Cities MN   624H ONVOY SPECTRUM, LLC 628   2021-11-14   
612-633 5 Twin Cities MN   624H ONVOY SPECTRUM, LLC 628   2021-11-14   
612-633 6 Twin Cities MN   624H ONVOY SPECTRUM, LLC 628   2021-11-14   
612-633 7 Twin Cities MN   624H ONVOY SPECTRUM, LLC 628   2021-11-14   
612-633 8 Twin Cities MN   624H ONVOY SPECTRUM, LLC 628   2021-11-14   
612-633 9 Twin Cities MN   624H ONVOY SPECTRUM, LLC 628   2021-11-14   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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