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: 225 [Rate centres in NPA 225] [Dial plan for NPA 225]

NXX: 580

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
225-580 A Baton Rouge LA BTRGLA12XSZ  700J WAVENATION, LLC 492   2026-04-24   
225-580 0 Baton Rouge LA BTRGLA12XSZ  700J WAVENATION, LLC 492   2026-04-24   

Last updated: Thu, 16 Jul 2026 02:21:55 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.