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.

Mount Juliet, TN

<< 1 2

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
629-315 2   525E ONVOY, LLC - TN 470   2026-03-22   
629-315 8   525E ONVOY, LLC - TN 470   2025-03-01   
629-315 9 NSVLTNMT83Z  525E ONVOY, LLC - TN 470   2024-12-02   

<< 1 2

Last updated: Sat, 04 Jul 2026 13:07:56 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.