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: NSVLTNMTYVY

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
931-905 4 Clarksville TN 516C AT&T CORP. 470   2014-09-05   
931-954 6 Manchester TN 516C AT&T CORP. 470   2009-10-25   
931-982 6 Columbia TN 516C AT&T CORP. 470   2009-07-25   
931-996 5 Lyles TN 516C AT&T CORP. 470   2009-10-25   

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Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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