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: 613

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
504-613 A New Orleans LA NWORLAMAYBX  7421 AT&T - LOCAL 490      
504-613 0 New Orleans LA MTRELANJ2MD  3232 LEVEL 3 COMMUNICATIONS, LLC - LA 490   2005-01-19   
504-613 1 New Orleans LA NWORLAMAYBX  7421 AT&T - LOCAL 490      
504-613 2 New Orleans LA NWORLAMA55Z  653C TELEPORT COMMUNICATIONS AMERICA LA - LLC 490      
504-613 3 New Orleans LA NWORLAMA55Z  653C TELEPORT COMMUNICATIONS AMERICA LA - LLC 490      
504-613 4 New Orleans LA MTRELANJ2MD  3232 LEVEL 3 COMMUNICATIONS, LLC - LA 490   2004-09-28   
504-613 5 New Orleans LA MTRELANJ2MD  3232 LEVEL 3 COMMUNICATIONS, LLC - LA 490   2005-01-19   
504-613 6 New Orleans LA MTRELANJ2MD  3232 LEVEL 3 COMMUNICATIONS, LLC - LA 490   2011-03-14   
504-613 7 New Orleans LA MNVLLA20G07  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 490   2005-02-20   
504-613 8 New Orleans LA MNVLLA20G07  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 490   2005-02-20   
504-613 9 New Orleans LA NWORLAMODS1  7488 LEVEL 3 TELECOM OF LOUISIANA, LLC - LA 490      

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.