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: MRTWTN280MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
423-393 A Bulls Gap TN 704C CHARTER FIBERLINK - TENNESSEE, LLC - TN 474      
423-839 A Morristown TN 704C CHARTER FIBERLINK - TENNESSEE, LLC - TN 474   2005-07-23   
865-233 A Maryville TN 704C CHARTER FIBERLINK - TENNESSEE, LLC - TN 474   2005-11-27   
865-302 A Rutledge TN 704C CHARTER FIBERLINK - TENNESSEE, LLC - TN 474   2009-10-11   
865-317 A Lenoir City TN 704C CHARTER FIBERLINK - TENNESSEE, LLC - TN 474   2012-10-14   
865-345 A Tate Springs TN 704C CHARTER FIBERLINK - TENNESSEE, LLC - TN 474   2010-05-29   

Last updated: Sat, 10 Oct 2020 02:22:41 UTC

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