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: 8581 CONSOLIDATED COMMUNICATIONS ENTERPRISE SVCS-MN

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
218-491 A Duluth MN DLTHMNMEQMD  624      
218-491 7 Duluth MN DLTHMNMEQMD  624   2007-12-08   
507-231 A Janesville MN JNVLMNACRL0  620      
507-232 A Nicollet MN NCLTMNMKRL1  620      
507-331 A Faribault MN FRBLMNFARL0  620      
507-463 A New Richland MN NWLDMN01RL0  620      
507-599 A Owatonna MN OWTNMN041MD  620      
507-599 6 Owatonna MN OWTNMN041MD  620   2005-08-07   
507-650 A Northfield MN NRFDMNNORL0  620      
507-688 A Ellendale MN ELDLMN01RL0  620      
507-833 A Waseca MN WASCMNWARL0  620      
507-934 A St Peter MN STPRMNSPRL0  620      

Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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