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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Switch: KNVOTNTN4MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
865-459 A Maryville TN 732J NUSO, LLC 474      
865-459 1 Maryville TN 732J NUSO, LLC 474   2023-04-23   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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