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: PLATMNXPRS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
320-238 A Plato MN 1456 CENTURYLINK OF MINNESOTA, INC. 628      
320-238 0 Plato MN 1456 CENTURYLINK OF MINNESOTA, INC. 628      
320-238 2 Plato MN 1456 CENTURYLINK OF MINNESOTA, INC. 628      

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.