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: KNVLTNEC0MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
423-577 7 Oneida TN 965H FRACTEL, LLC 474   2020-08-08   
423-966 A Ball Play TN 965H FRACTEL, LLC 474      
423-966 6 Ball Play TN 965H FRACTEL, LLC 474   2020-09-12   
865-345 6 Tate Springs TN 965H FRACTEL, LLC 474   2020-08-08   
865-600 A Greenback TN 965H FRACTEL, LLC 474      
865-600 0 Greenback TN 965H FRACTEL, LLC 474   2019-08-03   
865-600 6 Greenback TN 965H FRACTEL, LLC 474   2019-08-03   

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

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