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: JCSNTNNGPS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
731-243 0 Henry TN 704C CHARTER FIBERLINK-TENNESSEE, LLC - TN 468   2018-04-23   
731-251 A Decaturville TN 704C CHARTER FIBERLINK-TENNESSEE, LLC - TN 468      
731-251 1 Decaturville TN 704C CHARTER FIBERLINK-TENNESSEE, LLC - TN 468   2008-12-25   

Last updated: Wed, 04 Mar 2026 03:00:52 UTC

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