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.


NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
715-253 5 Wittenberg WI   350   2012-10-24   
715-454 8 Elderon WI   350   2012-10-24   
715-750 A Antigo WI WTNBWIXA0MD  350      
715-750 0 Antigo WI   350   2011-08-20   
715-750 1 Antigo WI   350   2011-08-20   

Last updated: Fri, 01 Jul 2022 02:53:40 UTC

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