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: MPLTMNZBAMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
612-224 A Twin Cities MN 5312 LEVEL 3 TELECOM OF MINNESOTA, LLC - MN 628   2024-04-04   
612-304 A Twin Cities MN 5312 LEVEL 3 TELECOM OF MINNESOTA, LLC - MN 628      
612-460 A Twin Cities MN 5312 LEVEL 3 TELECOM OF MINNESOTA, LLC - MN 628      
651-305 A Twin Cities MN 5312 LEVEL 3 TELECOM OF MINNESOTA, LLC - MN 628      
651-348 A Twin Cities MN 5312 LEVEL 3 TELECOM OF MINNESOTA, LLC - MN 628      
651-414 A Twin Cities MN 5312 LEVEL 3 TELECOM OF MINNESOTA, LLC - MN 628      
763-226 A Twin Cities MN 5312 LEVEL 3 TELECOM OF MINNESOTA, LLC - MN 628      
763-405 A Twin Cities MN 5312 LEVEL 3 TELECOM OF MINNESOTA, LLC - MN 628      
763-440 A Twin Cities MN 5312 LEVEL 3 TELECOM OF MINNESOTA, LLC - MN 628      
763-447 A Twin Cities MN 5312 LEVEL 3 TELECOM OF MINNESOTA, LLC - MN 628      
763-647 A Twin Cities MN 5312 LEVEL 3 TELECOM OF MINNESOTA, LLC - MN 628      
952-479 A Twin Cities MN 5312 LEVEL 3 TELECOM OF MINNESOTA, LLC - MN 628      
952-516 A Twin Cities MN 5312 LEVEL 3 TELECOM OF MINNESOTA, LLC - MN 628      
952-674 A Twin Cities MN 5312 LEVEL 3 TELECOM OF MINNESOTA, LLC - MN 628      
952-715 A Twin Cities MN 5312 LEVEL 3 TELECOM OF MINNESOTA, LLC - MN 628      

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.