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: 222

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
504-222 A Kenner LA NWORLAMTX6Y  150C VOICESTREAM GSM I, LLC 490      
504-222 0 Kenner LA   150C VOICESTREAM GSM I, LLC 490   2011-01-21   
504-222 1 Kenner LA   749E ONVOY, LLC - LA 490   2024-02-22   
504-222 2 Kenner LA   153F BANDWIDTH.COM CLEC, LLC - LA 490   2011-01-02   
504-222 3 Kenner LA   150C VOICESTREAM GSM I, LLC 490   2011-01-21   
504-222 4 Kenner LA   150C VOICESTREAM GSM I, LLC 490   2011-01-21   
504-222 5 Kenner LA   150C VOICESTREAM GSM I, LLC 490   2010-12-24   
504-222 6 Kenner LA   490J DISH WIRELESS, LLC 490   2024-08-18   
504-222 7 Kenner LA   150C VOICESTREAM GSM I, LLC 490   2010-12-24   
504-222 8 Kenner LA   150C VOICESTREAM GSM I, LLC 490   2010-12-24   
504-222 9 Kenner LA   150C VOICESTREAM GSM I, LLC 490   2010-12-24   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.