Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
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OCN: 4587 CONSOLIDATED COMMUNICATIONS ENTERPRISE SVCS-MN

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
507-414 A Owatonna MN OWTNMNAMGMD  620      
612-876 A Twin Cities MN MPLSMNMSDS2  628      
612-876 9 Twin Cities MN MPLSMNMSDS2  628   2006-10-14   

Last updated: Sat, 21 Mar 2026 23:53:39 UTC

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