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: 719

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
920-719 A Green Bay WI   671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 350   2026-11-17   
920-719 0 Green Bay WI   007F BANDWIDTH.COM CLEC, LLC - WI 350   2026-11-18   
920-719 3 Green Bay WI   671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 350   2026-11-17   

Last updated: Sat, 10 Oct 2026 15:24:20 UTC

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