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: OWTNMNOW4MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
507-201 A Waseca MN 5256 LEVEL 3 COMMUNICATIONS, LLC - MN 620      
507-205 A Winona MN 5256 LEVEL 3 COMMUNICATIONS, LLC - MN 620      
507-242 A Blooming Prairie MN 5256 LEVEL 3 COMMUNICATIONS, LLC - MN 620      
507-489 A Waldorf MN 5256 LEVEL 3 COMMUNICATIONS, LLC - MN 620      
507-573 A Owatonna MN 5256 LEVEL 3 COMMUNICATIONS, LLC - MN 620      
507-788 A Odin MN 5256 LEVEL 3 COMMUNICATIONS, LLC - MN 620   2005-10-09   
507-873 A Slayton MN 5256 LEVEL 3 COMMUNICATIONS, LLC - MN 620   2005-10-03   
507-936 A Lakefield MN 5256 LEVEL 3 COMMUNICATIONS, LLC - MN 620   2005-10-09   

Last updated: Sun, 10 Nov 2019 13:49:34 UTC

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