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: GNBYWI01ZMD

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
920-637 2 Neenah WI 829J PAETEC ITEL, LLC 350   2008-05-30   
920-757 2 Appleton WI 829J PAETEC ITEL, LLC 350   2012-04-10   
920-815 2 Appleton WI 829J PAETEC ITEL, LLC 350   2014-10-16   
920-931 1 Appleton WI 829J PAETEC ITEL, LLC 350   2011-01-07   
920-944 A Appleton WI 829J PAETEC ITEL, LLC 350      
920-944 0 Appleton WI 829J PAETEC ITEL, LLC 350   2008-04-13   
920-964 A De Pere WI 829J PAETEC ITEL, LLC 350      
920-965 A Green Bay WI 829J PAETEC ITEL, LLC 350      
920-966 A Oshkosh WI 829J PAETEC ITEL, LLC 350      
920-967 A Neenah WI 829J PAETEC ITEL, LLC 350      
920-968 A Appleton WI 829J PAETEC ITEL, LLC 350      

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Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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