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: NSVLTNMTYSZ

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
615-639 9 Dickson TN 436J HADLO TECHNOLOGIES, LLC 470   2022-12-15   
615-910 A Nashville TN 436J HADLO TECHNOLOGIES, LLC 470      
615-910 0 Nashville TN 436J HADLO TECHNOLOGIES, LLC 470   2023-01-20   
629-252 A Franklin TN 436J HADLO TECHNOLOGIES, LLC 470      
629-252 0 Franklin TN 436J HADLO TECHNOLOGIES, LLC 470   2021-05-03   
629-282 7 Murfreesboro TN 436J HADLO TECHNOLOGIES, LLC 470   2022-12-18   
629-284 9 Hendersonville TN 436J HADLO TECHNOLOGIES, LLC 470   2022-12-15   
629-366 9 Lebanon TN 436J HADLO TECHNOLOGIES, LLC 470   2022-12-15   
931-350 5 Columbia TN 436J HADLO TECHNOLOGIES, LLC 470   2022-12-15   
931-360 9 Clarksville TN 436J HADLO TECHNOLOGIES, LLC 470   2023-01-09   

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

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