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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OCN: 7278 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TN

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
865-657 4 Loudon TN   474   2009-05-15   
865-737 3 Norris TN   474   2016-07-20   
865-816 5 Lenoir City TN   474   2006-10-15   
865-867 3 Knoxville TN   474   2019-01-22   
865-868 3 Sevierville TN   474   2005-01-29   
865-895 3 Knoxville TN   474   2022-06-11   
865-995 3 Maryville TN   474   2017-04-20   

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Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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