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: MILWWIDKSMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
262-459 5 Kenosha WI 732J NUSO, LLC 356   2024-11-11   
262-459 6 Kenosha WI 732J NUSO, LLC 356   2024-11-11   
920-761 A Clyman WI 732J NUSO, LLC 356      
920-761 1 Clyman WI 732J NUSO, LLC 356   2023-04-09   
920-761 2 Clyman WI 732J NUSO, LLC 356   2024-10-11   
920-761 3 Clyman WI 732J NUSO, LLC 356   2024-10-11   

Last updated: Sat, 15 Nov 2025 03:38:44 UTC

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