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: KNVLTNMA49Z

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
865-999 2 Knoxville TN 525E ONVOY, LLC - TN 474   2015-12-17   
865-999 4 Knoxville TN 525E ONVOY, LLC - TN 474   2015-12-17   
865-999 7 Knoxville TN 525E ONVOY, LLC - TN 474   2015-10-12   
865-999 8 Knoxville TN 525E ONVOY, LLC - TN 474   2015-10-12   
865-999 9 Knoxville TN 525E ONVOY, LLC - TN 474   2015-10-12   

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Last updated: Tue, 01 Sep 2026 00:40:05 UTC

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