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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Switch: KLKNMNXKRS5

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
507-595 A Kilkenny MN 1367 FRONTIER COMMUNICATIONS OF MINNESOTA, INC. 620      
507-595 0 Kilkenny MN 1367 FRONTIER COMMUNICATIONS OF MINNESOTA, INC. 620      
507-595 2 Kilkenny MN 1367 FRONTIER COMMUNICATIONS OF MINNESOTA, INC. 620      
507-595 3 Kilkenny MN 1367 FRONTIER COMMUNICATIONS OF MINNESOTA, INC. 620      
507-595 7 Kilkenny MN 1367 FRONTIER COMMUNICATIONS OF MINNESOTA, INC. 620      
507-595 8 Kilkenny MN 1367 FRONTIER COMMUNICATIONS OF MINNESOTA, INC. 620      
507-595 9 Kilkenny MN 1367 FRONTIER COMMUNICATIONS OF MINNESOTA, INC. 620      

Last updated: Sat, 10 Oct 2026 15:24:20 UTC

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