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: NSVLTNMTYJZ

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
615-454 A Nashville TN 318J COMCAST IP PHONE, LLC 470      
615-678 A Nashville TN 318J COMCAST IP PHONE, LLC 470      
615-759 A Kingston Springs TN 318J COMCAST IP PHONE, LLC 470      
615-805 A Portland TN 318J COMCAST IP PHONE, LLC 470      
615-818 A Nashville TN 318J COMCAST IP PHONE, LLC 470      
615-819 A Nolensville (Williamson) TN 318J COMCAST IP PHONE, LLC 470      
615-863 A Greenbrier TN 318J COMCAST IP PHONE, LLC 470      
615-899 A Gallatin TN 318J COMCAST IP PHONE, LLC 470      
615-953 A Nashville TN 318J COMCAST IP PHONE, LLC 470      
615-996 A Franklin TN 318J COMCAST IP PHONE, LLC 470      
629-287 A Adams-Cedar Hill TN 318J COMCAST IP PHONE, LLC 470      
931-287 A Crossville TN 318J COMCAST IP PHONE, LLC 470      
931-351 A Estill Springs TN 318J COMCAST IP PHONE, LLC 470      
931-415 A Clarkrange TN 318J COMCAST IP PHONE, LLC 470      

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

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