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.

NPA: 615 [Rate centres in NPA 615] [Dial plan for NPA 615]

NXX: 375

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
615-375 A Dickson TN NSVLTNMTYXZ  829J PAETEC ITEL, LLC 470   2024-12-04   
615-375 0 Dickson TN   525E ONVOY, LLC - TN 470   2018-09-30   
615-375 1 Dickson TN   318J COMCAST IP PHONE, LLC 470   2006-08-01   
615-375 2 Dickson TN   829J PAETEC ITEL, LLC 470      
615-375 3 Dickson TN   7977 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TN 470   2006-11-22   
615-375 4 Dickson TN   124F BANDWIDTH.COM CLEC, LLC - TN 470   2015-05-31   
615-375 5 Dickson TN   114F TELEPORT COMMUNICATIONS AMERICA, LLC - TN 470   2014-02-14   
615-375 6 Dickson TN   124F BANDWIDTH.COM CLEC, LLC - TN 470   2008-11-28   
615-375 7 Dickson TN   516C AT&T CORP. 470   2009-07-25   
615-375 8 Dickson TN   318J COMCAST IP PHONE, LLC 470   2008-03-29   
615-375 9 Dickson TN   939H COMMIO, LLC 470   2014-01-03   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.