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: 078J NATIVE WIRELESS, LLC

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
605-514 A Huron SD SXFLSDCHDS3  640      
605-514 3 Huron SD   640   2025-09-22   
605-514 4 Huron SD   640   2025-09-22   
605-514 5 Huron SD   640   2025-09-22   
605-514 6 Huron SD   640   2025-09-22   
605-514 7 Huron SD   640   2025-09-22   
605-514 8 Huron SD   640   2025-09-22   
605-514 9 Huron SD SXFLSDCHDS3  640   2023-05-15   

Last updated: Mon, 15 Sep 2025 02:24:40 UTC

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