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.

OCN: 5564 WISCONSIN RSA #10 LIMITED PARTNERSHIP

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
274-212 A Kewaunee WI   350   2025-04-11   
274-212 0 Kewaunee WI   350   2025-04-11   
920-255 A Kewaunee WI GNBYWIEMCM6  350      
920-388 9 Kewaunee WI GNBYWIEMCM2  350   2012-07-19   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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