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

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 >>

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
504-478 3 New Orleans LA NWORLAMA99Z  490   2013-06-17   
504-478 4 New Orleans LA NWORLAMA99Z  490   2013-06-17   
504-478 5 New Orleans LA NWORLAMA99Z  490   2013-06-17   
504-478 6 New Orleans LA NWORLAMA99Z  490   2013-06-17   
504-478 7 New Orleans LA NWORLAMA99Z  490   2013-04-27   
504-478 8 New Orleans LA NWORLAMA99Z  490   2013-04-27   
504-478 9 New Orleans LA NWORLAMA99Z  490   2013-04-27   
504-484 1 New Orleans LA NWORLAMA99Z  490   2011-06-15   
504-484 2 New Orleans LA NWORLAMA99Z  490   2011-06-15   
504-485 3 New Orleans LA NWORLAMA99Z  490   2006-01-05   
504-485 8 New Orleans LA NWORLAMA99Z  490   2011-06-15   
504-492 2 Lafitte LA NWORLAMA99Z  490   2024-08-15   
504-493 0 New Orleans LA NWORLAMA99Z  490   2009-01-08   
504-493 1 New Orleans LA NWORLAMA99Z  490   2009-01-08   
504-493 4 New Orleans LA NWORLAMA99Z  490   2017-03-22   
504-493 5 New Orleans LA NWORLAMA99Z  490   2017-03-22   
504-493 8 New Orleans LA NWORLAMA99Z  490   2011-08-12   
504-493 9 New Orleans LA NWORLAMA99Z  490   2009-01-08   
504-496 1 Kenner LA NWORLAMTX6Y  490   2006-01-30   
504-496 2 Kenner LA NWORLAMTX6Y  490   2007-09-30   
504-496 3 Kenner LA NWORLAMTX6Y  490   2007-09-30   
504-496 4 Kenner LA NWORLAMTX6Y  490   2007-09-30   
504-496 5 Kenner LA NWORLAMTX6Y  490   2007-09-30   
504-496 6 Kenner LA NWORLAMTX6Y  490   2007-09-30   
504-496 7 Kenner LA NWORLAMTX6Y  490   2007-09-30   
504-496 8 Kenner LA NWORLAMTX6Y  490   2007-09-30   
504-502 A Kenner LA NWORLAMTX6Y  490      
504-502 2 Kenner LA NWORLAMTX6Y  490   2014-08-19   
504-502 4 Kenner LA NWORLAMTX6Y  490   2014-08-19   
504-502 5 Kenner LA NWORLAMTX6Y  490   2014-08-19   
504-502 6 Kenner LA NWORLAMTX6Y  490   2014-08-19   
504-503 2 New Orleans LA NWORLAMA99Z  490   2013-07-25   
504-503 3 New Orleans LA NWORLAMA99Z  490   2013-07-25   
504-503 8 New Orleans LA NWORLAMA99Z  490   2013-07-25   
504-503 9 New Orleans LA NWORLAMA99Z  490   2013-07-25   
504-505 A New Orleans LA NWORLAMA99Z  490      
504-505 0 New Orleans LA NWORLAMA99Z  490   2013-06-17   
504-505 1 New Orleans LA NWORLAMA99Z  490   2013-06-17   
504-505 2 New Orleans LA NWORLAMA99Z  490   2013-06-17   
504-505 3 New Orleans LA NWORLAMA99Z  490   2013-06-17   
504-505 4 New Orleans LA NWORLAMA99Z  490   2013-06-17   
504-505 5 New Orleans LA NWORLAMA99Z  490   2013-04-02   
504-505 6 New Orleans LA NWORLAMA99Z  490   2013-04-02   
504-505 7 New Orleans LA NWORLAMA99Z  490   2013-04-02   
504-505 8 New Orleans LA NWORLAMA99Z  490   2013-03-30   
504-505 9 New Orleans LA NWORLAMA99Z  490   2013-03-30   
504-508 7 New Orleans LA NWORLAMA99Z  490   2014-03-31   
504-508 8 New Orleans LA NWORLAMA99Z  490   2017-03-22   
504-508 9 New Orleans LA NWORLAMA99Z  490   2014-03-31   
504-509 A New Orleans LA NWORLAMA99Z  490      

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 >>

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.