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: 335

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
504-335 A New Orleans LA NWORLAMAYUX  829J PAETEC ITEL, LLC 490   2024-12-11   
504-335 0 New Orleans LA   829J PAETEC ITEL, LLC 490   2010-03-20   
504-335 1 New Orleans LA   829J PAETEC ITEL, LLC 490   2005-10-08   
504-335 2 New Orleans LA   829J PAETEC ITEL, LLC 490   2005-10-08   
504-335 3 New Orleans LA   829J PAETEC ITEL, LLC 490   2005-10-08   
504-335 4 New Orleans LA   829J PAETEC ITEL, LLC 490   2005-10-08   
504-335 5 New Orleans LA   150C VOICESTREAM GSM I, LLC 490   2010-07-26   
504-335 6 New Orleans LA   150C VOICESTREAM GSM I, LLC 490   2010-07-26   
504-335 7 New Orleans LA   150C VOICESTREAM GSM I, LLC 490   2010-07-26   
504-335 8 New Orleans LA   150C VOICESTREAM GSM I, LLC 490   2010-07-26   
504-335 9 New Orleans LA   150C VOICESTREAM GSM I, LLC 490   2009-11-27   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.