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: GNBYWIATNMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
715-301 4 Wausau WI 7421 AT&T - LOCAL 350   2007-02-02   
920-632 A De Pere WI 7421 AT&T - LOCAL 350      
920-632 0 De Pere WI 7421 AT&T - LOCAL 350      
920-632 1 De Pere WI 7421 AT&T - LOCAL 350   2005-12-08   
920-632 5 De Pere WI 7421 AT&T - LOCAL 350   2008-04-25   
920-632 9 De Pere WI 7421 AT&T - LOCAL 350      
920-634 A Green Bay WI 7421 AT&T - LOCAL 350      
920-634 3 Green Bay WI 7421 AT&T - LOCAL 350      
920-695 A Sturgeon Bay WI 7421 AT&T - LOCAL 350      
920-695 9 Sturgeon Bay WI 7421 AT&T - LOCAL 350   2003-09-21   

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

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