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: BOYDMN02RS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
320-301 5 Montevideo MN 2836 FARMERS MUTUAL TELEPHONE COMPANY - MN 626   2013-02-01   
320-855 3 Boyd MN 2836 FARMERS MUTUAL TELEPHONE COMPANY - MN 626   2013-01-28   

Last updated: Sun, 18 Aug 2024 23:40:19 UTC

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