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.
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NPA: 920 [Rate centres in NPA 920] [Dial plan for NPA 920]

NXX: 429

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
920-429 A Green Bay WI GNBYWI11DSA  9327 WISCONSIN BELL INC 350      
920-429 0 Green Bay WI   9327 WISCONSIN BELL INC 350      
920-429 1 Green Bay WI   9327 WISCONSIN BELL INC 350      
920-429 2 Green Bay WI   9327 WISCONSIN BELL INC 350      
920-429 3 Green Bay WI   9327 WISCONSIN BELL INC 350      
920-429 6 Green Bay WI   9327 WISCONSIN BELL INC 350      
920-429 7 Green Bay WI   9327 WISCONSIN BELL INC 350      
920-429 9 Green Bay WI   9327 WISCONSIN BELL INC 350      

Last updated: Fri, 25 Jul 2025 03:21:23 UTC

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