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: 380 [Rate centres in NPA 380] [Dial plan for NPA 380]

NXX: 293

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
380-293 A Gahanna OH   464C ONVOY, LLC - OH 324   2026-01-15   
380-293 0 Gahanna OH   464C ONVOY, LLC - OH 324   2026-01-15   

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.