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
504-428 4 Kenner LA NWORLAMTX6Y  490   2006-01-17   
504-428 5 Kenner LA NWORLAMTX6Y  490   2006-01-17   
504-428 6 Kenner LA NWORLAMTX6Y  490   2006-01-17   
504-428 8 Kenner LA NWORLAMTX6Y  490   2006-01-17   
504-428 9 Kenner LA NWORLAMTX6Y  490   2006-01-17   
504-434 8 New Orleans LA NWORLAMA99Z  490   2013-07-25   
504-434 9 New Orleans LA NWORLAMA99Z  490   2013-07-25   
504-435 A New Orleans LA NWORLAMA99Z  490      
504-435 0 New Orleans LA NWORLAMA99Z  490   2013-07-25   
504-435 2 New Orleans LA NWORLAMA99Z  490   2013-07-25   
504-435 3 New Orleans LA NWORLAMA99Z  490   2013-07-25   
504-435 4 New Orleans LA NWORLAMA99Z  490   2013-07-25   
504-435 5 New Orleans LA NWORLAMA99Z  490   2013-07-25   
504-435 6 New Orleans LA NWORLAMA99Z  490   2013-07-25   
504-435 7 New Orleans LA NWORLAMA99Z  490   2013-07-25   
504-435 8 New Orleans LA NWORLAMA99Z  490   2013-07-25   
504-435 9 New Orleans LA NWORLAMA99Z  490   2013-07-25   
504-441 2 Kenner LA NWORLAMTX6Y  490   2021-01-21   
504-441 6 Kenner LA NWORLAMTX6Y  490   2010-11-15   
504-441 9 Kenner LA NWORLAMTX6Y  490   2015-07-29   
504-457 9 New Orleans LA NWORLAMA99Z  490   2009-11-27   
504-461 7 Kenner LA NWORLAMTX6Y  490   2021-01-21   
504-462 3 Kenner LA NWORLAMTX6Y  490   2013-12-23   
504-462 4 Kenner LA NWORLAMTX6Y  490   2013-12-23   
504-462 5 Kenner LA NWORLAMTX6Y  490   2013-12-23   
504-462 6 Kenner LA NWORLAMTX6Y  490   2015-07-29   
504-462 7 Kenner LA NWORLAMTX6Y  490   2021-01-15   
504-462 8 Kenner LA NWORLAMTX6Y  490   2015-07-29   
504-470 4 Kenner LA NWORLAMTX6Y  490   2007-12-08   
504-470 6 Kenner LA NWORLAMTX6Y  490   2007-12-08   
504-470 7 Kenner LA NWORLAMTX6Y  490   2007-12-08   
504-470 9 Kenner LA NWORLAMTX6Y  490   2007-12-08   
504-472 4 Kenner LA NWORLAMTX6Y  490   2010-11-15   
504-472 7 Kenner LA NWORLAMTX6Y  490   2007-12-08   
504-472 8 Kenner LA NWORLAMTX6Y  490   2007-12-08   
504-473 A Kenner LA NWORLAMTX6Y  490      
504-473 0 Kenner LA NWORLAMTX6Y  490      
504-473 1 Kenner LA NWORLAMTX6Y  490      
504-473 2 Kenner LA NWORLAMTX6Y  490      
504-473 3 Kenner LA NWORLAMTX6Y  490      
504-473 4 Kenner LA NWORLAMTX6Y  490      
504-473 5 Kenner LA NWORLAMTX6Y  490      
504-473 6 Kenner LA NWORLAMTX6Y  490      
504-473 7 Kenner LA NWORLAMTX6Y  490      
504-473 8 Kenner LA NWORLAMTX6Y  490      
504-473 9 Kenner LA NWORLAMTX6Y  490      
504-478 A New Orleans LA NWORLAMA99Z  490      
504-478 0 New Orleans LA NWORLAMA99Z  490   2013-06-17   
504-478 1 New Orleans LA NWORLAMA99Z  490   2013-06-17   
504-478 2 New Orleans LA NWORLAMA99Z  490   2013-06-17   

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

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