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: IONAMNXIRS2

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
507-264 A Iona MN 1367 FRONTIER COMMUNICATIONS OF MINNESOTA, INC. 620      
507-264 2 Iona MN 1367 FRONTIER COMMUNICATIONS OF MINNESOTA, INC. 620      
507-264 3 Iona MN 1367 FRONTIER COMMUNICATIONS OF MINNESOTA, INC. 620      
507-264 7 Iona MN 1367 FRONTIER COMMUNICATIONS OF MINNESOTA, INC. 620      
507-264 8 Iona MN 1367 FRONTIER COMMUNICATIONS OF MINNESOTA, INC. 620      
507-264 9 Iona MN 1367 FRONTIER COMMUNICATIONS OF MINNESOTA, INC. 620      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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