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: TLLHTNMAIMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
629-312 7 Nashville TN 732J NUSO, LLC 470   2024-06-15   
629-312 8 Nashville TN 732J NUSO, LLC 470   2024-06-15   
629-327 2 Nashville TN 732J NUSO, LLC 470   2025-04-21   
629-327 8 Nashville TN 732J NUSO, LLC 470   2025-04-21   
931-369 A Tullahoma TN 732J NUSO, LLC 470      
931-369 1 Tullahoma TN 732J NUSO, LLC 470   2022-11-21   
931-369 6 Tullahoma TN 732J NUSO, LLC 470   2024-09-20   
931-369 8 Tullahoma TN 732J NUSO, LLC 470   2023-12-25   
931-369 9 Tullahoma TN 732J NUSO, LLC 470   2023-12-25   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.