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: NSVLTNMTDS4

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
615-493 A Nashville TN 7421 AT&T - LOCAL 470      
615-525 A Nashville TN 7421 AT&T - LOCAL 470      
615-525 2 Nashville TN 7421 AT&T - LOCAL 470      
615-745 6 Portland TN 7421 AT&T - LOCAL 470   2010-02-08   
615-796 A Murfreesboro TN 7421 AT&T - LOCAL 470      
615-796 2 Murfreesboro TN 7421 AT&T - LOCAL 470   2005-08-05   
615-903 6 LaVergne (Rutherford) TN 7421 AT&T - LOCAL 470   2012-05-03   

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

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