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: ELWOMNXERS9

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
507-967 A Ellsworth MN 1367 FRONTIER COMMUNICATIONS OF MINNESOTA, INC. 620      
507-967 0 Ellsworth MN 1367 FRONTIER COMMUNICATIONS OF MINNESOTA, INC. 620      
507-967 1 Ellsworth MN 1367 FRONTIER COMMUNICATIONS OF MINNESOTA, INC. 620      
507-967 2 Ellsworth MN 1367 FRONTIER COMMUNICATIONS OF MINNESOTA, INC. 620      
507-967 8 Ellsworth MN 1367 FRONTIER COMMUNICATIONS OF MINNESOTA, INC. 620      
507-967 9 Ellsworth MN 1367 FRONTIER COMMUNICATIONS OF MINNESOTA, INC. 620      
712-963 A Midland IA 1367 FRONTIER COMMUNICATIONS OF MINNESOTA, INC. 620      

Last updated: Fri, 25 Jul 2025 03:21:23 UTC

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