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: BTRGLAGWDS7

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
225-271 A Denham Springs LA 3807 NETWORK TELEPHONE CORPORATION - LA 492      
225-303 A Baton Rouge LA 3807 NETWORK TELEPHONE CORPORATION - LA 492      
225-435 A Livingston LA 3807 NETWORK TELEPHONE CORPORATION - LA 492   2005-08-04   
225-444 A Baton Rouge LA 3807 NETWORK TELEPHONE CORPORATION - LA 492   2010-05-03   

Last updated: Thu, 10 Sep 2020 02:15:24 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.