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.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Switch: ROCHMNMW2MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
507-205 7 Winona MN 322E YMAX COMMUNICATIONS CORP. - MN 620   2009-03-13   
507-205 8 Winona MN 322E YMAX COMMUNICATIONS CORP. - MN 620   2009-03-13   
507-721 A Rochester MN 322E YMAX COMMUNICATIONS CORP. - MN 620      
507-721 0 Rochester MN 322E YMAX COMMUNICATIONS CORP. - MN 620   2009-01-26   
507-721 1 Rochester MN 322E YMAX COMMUNICATIONS CORP. - MN 620   2009-01-26   
507-721 2 Rochester MN 322E YMAX COMMUNICATIONS CORP. - MN 620   2009-01-26   
507-721 3 Rochester MN 322E YMAX COMMUNICATIONS CORP. - MN 620   2009-01-26   
507-858 A Winona MN 322E YMAX COMMUNICATIONS CORP. - MN 620      
507-858 8 Winona MN 322E YMAX COMMUNICATIONS CORP. - MN 620   2009-03-13   

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

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