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: MPLSMNCDHMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
320-299 9 Cokato MN 184D ONVOY, LLC - MN 628   2015-06-18   
320-515 5 Mora MN 184D ONVOY, LLC - MN 628   2019-02-25   

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

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