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: 509

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
504-509 A New Orleans LA NWORLAMA37Z  150C VOICESTREAM GSM I, LLC 490      
504-509 0 New Orleans LA NWORLAMA37Z  150C VOICESTREAM GSM I, LLC 490   2014-12-14   
504-509 1 New Orleans LA NWORLAMA37Z  150C VOICESTREAM GSM I, LLC 490   2014-12-14   
504-509 2 New Orleans LA NWORLAMA37Z  150C VOICESTREAM GSM I, LLC 490   2014-12-14   
504-509 3 New Orleans LA NWORLAMA37Z  150C VOICESTREAM GSM I, LLC 490   2014-12-14   
504-509 4 New Orleans LA NWORLAMA61Z  153F BANDWIDTH.COM CLEC, LLC - LA 490   2014-12-18   
504-509 5 New Orleans LA NWORLAMA61Z  153F BANDWIDTH.COM CLEC, LLC - LA 490   2014-12-18   
504-509 6 New Orleans LA NWORLAMAYIX  318J COMCAST IP PHONE, LLC 490   2014-12-18   
504-509 7 New Orleans LA NWORLAMAYIX  318J COMCAST IP PHONE, LLC 490   2014-12-18   
504-509 8 New Orleans LA NWORLAMA86Z  5562 METROPCS, INC. 490   2014-12-18   
504-509 9 New Orleans LA NWORLAMA37Z  150C VOICESTREAM GSM I, LLC 490   2014-12-14   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.