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.

OCN: 150C VOICESTREAM GSM I, LLC

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
504-266 9 New Orleans LA NWORLAMA99Z  490   2011-01-16   
504-269 7 New Orleans LA NWORLAMA99Z  490   2005-03-28   
504-269 8 New Orleans LA NWORLAMA99Z  490   2011-06-01   
504-274 8 New Orleans LA NWORLAMA99Z  490   2005-05-27   
504-274 9 New Orleans LA NWORLAMA99Z  490   2005-04-02   
504-275 0 Kenner LA NWORLAMTX6Y  490   2008-02-27   
504-281 0 New Orleans LA NWORLAMA99Z  490   2011-06-15   
504-284 4 New Orleans LA NWORLAMA99Z  490   2023-02-08   
504-287 A Kenner LA NWORLAMTX6Y  490      
504-287 1 Kenner LA NWORLAMTX6Y  490      
504-287 2 Kenner LA NWORLAMTX6Y  490   2006-01-30   
504-287 3 Kenner LA NWORLAMTX6Y  490      
504-287 5 Kenner LA NWORLAMTX6Y  490      
504-287 6 Kenner LA NWORLAMTX6Y  490      
504-287 7 Kenner LA NWORLAMTX6Y  490      
504-287 8 Kenner LA NWORLAMTX6Y  490      
504-287 9 Kenner LA NWORLAMTX6Y  490      
504-292 A Kenner LA NWORLAMTX6Y  490      
504-292 0 Kenner LA NWORLAMTX6Y  490      
504-292 1 Kenner LA NWORLAMTX6Y  490      
504-292 2 Kenner LA NWORLAMTX6Y  490      
504-292 3 Kenner LA NWORLAMTX6Y  490      
504-292 4 Kenner LA NWORLAMTX6Y  490      
504-292 5 Kenner LA NWORLAMTX6Y  490      
504-292 6 Kenner LA NWORLAMTX6Y  490      
504-292 7 Kenner LA NWORLAMTX6Y  490      
504-292 8 Kenner LA NWORLAMTX6Y  490      
504-292 9 Kenner LA NWORLAMTX6Y  490      
504-295 9 New Orleans LA NWORLAMA99Z  490   2011-09-12   
504-296 A Kenner LA NWORLAMTX6Y  490      
504-296 0 Kenner LA NWORLAMTX6Y  490      
504-296 1 Kenner LA NWORLAMTX6Y  490      
504-296 2 Kenner LA NWORLAMTX6Y  490      
504-296 3 Kenner LA NWORLAMTX6Y  490      
504-296 4 Kenner LA NWORLAMTX6Y  490      
504-296 5 Kenner LA NWORLAMTX6Y  490      
504-296 6 Kenner LA NWORLAMTX6Y  490      
504-296 7 Kenner LA NWORLAMTX6Y  490      
504-296 8 Kenner LA NWORLAMTX6Y  490      
504-296 9 Kenner LA NWORLAMTX6Y  490      
504-300 A New Orleans LA   490      
504-300 2 New Orleans LA NWORLAMA99Z  490   2011-04-13   
504-300 3 New Orleans LA NWORLAMA99Z  490   2011-04-13   
504-300 4 New Orleans LA NWORLAMA99Z  490   2011-04-13   
504-300 5 New Orleans LA NWORLAMA99Z  490   2011-04-13   
504-300 6 New Orleans LA NWORLAMA99Z  490   2011-04-13   
504-300 7 New Orleans LA NWORLAMA99Z  490   2011-04-13   
504-303 0 Kenner LA NWORLAMTX6Y  490   2007-09-30   
504-303 1 Kenner LA NWORLAMTX6Y  490   2007-09-30   
504-303 2 Kenner LA NWORLAMTX6Y  490   2007-09-30   

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Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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