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: 504 [Rate centres in NPA 504] [Dial plan for NPA 504]

NXX: 317

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
504-317 A Kenner LA NWORLAMTXKX  150C VOICESTREAM GSM I, LLC 490      
504-317 0 Kenner LA NWORLAMTXKX  150C VOICESTREAM GSM I, LLC 490      
504-317 1 Kenner LA   749E ONVOY, LLC - LA 490      
504-317 2 Kenner LA NWORLAMTXKX  150C VOICESTREAM GSM I, LLC 490      
504-317 8 Kenner LA   749E ONVOY, LLC - LA 490      
504-317 9 Kenner LA   749E ONVOY, LLC - LA 490      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.