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.
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Switch: NWORLAMODC0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
504-262 A New Orleans LA 7488 LEVEL 3 TELECOM OF LOUISIANA, LLC - LA 490      
504-303 5 Kenner LA 7488 LEVEL 3 TELECOM OF LOUISIANA, LLC - LA 490   2007-04-22   
504-306 A Kenner LA 7488 LEVEL 3 TELECOM OF LOUISIANA, LLC - LA 490      
504-535 2 New Orleans LA 7488 LEVEL 3 TELECOM OF LOUISIANA, LLC - LA 490   2008-11-14   
504-617 A Kenner LA 7488 LEVEL 3 TELECOM OF LOUISIANA, LLC - LA 490      
504-617 1 Kenner LA 7488 LEVEL 3 TELECOM OF LOUISIANA, LLC - LA 490      
504-617 6 Kenner LA 7488 LEVEL 3 TELECOM OF LOUISIANA, LLC - LA 490      
504-617 7 Kenner LA 7488 LEVEL 3 TELECOM OF LOUISIANA, LLC - LA 490      
504-617 9 Kenner LA 7488 LEVEL 3 TELECOM OF LOUISIANA, LLC - LA 490      
504-620 A New Orleans LA 7488 LEVEL 3 TELECOM OF LOUISIANA, LLC - LA 490      
985-206 7 Madisonville LA 7488 LEVEL 3 TELECOM OF LOUISIANA, LLC - LA 490   2010-06-20   
985-276 5 Covington LA 7488 LEVEL 3 TELECOM OF LOUISIANA, LLC - LA 490   2009-01-08   
985-307 3 Norco LA 7488 LEVEL 3 TELECOM OF LOUISIANA, LLC - LA 490   2006-05-26   
985-346 5 Houma LA 7488 LEVEL 3 TELECOM OF LOUISIANA, LLC - LA 490   2009-06-21   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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