Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 504 [Rate centres in NPA 504] [Dial plan for NPA 504]

NXX: 405

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
504-405 A Kenner LA NWORLAMTX6Y  150C VOICESTREAM GSM I, LLC 490      
504-405 0 Kenner LA   150C VOICESTREAM GSM I, LLC 490   2013-06-17   
504-405 1 Kenner LA   150C VOICESTREAM GSM I, LLC 490   2013-06-17   
504-405 2 Kenner LA   150C VOICESTREAM GSM I, LLC 490   2013-07-10   
504-405 3 Kenner LA   8764 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - LA 490   2013-05-23   
504-405 4 Kenner LA   150C VOICESTREAM GSM I, LLC 490   2013-07-10   
504-405 5 Kenner LA   516C AT&T CORP. 490   2012-11-07   
504-405 6 Kenner LA   150C VOICESTREAM GSM I, LLC 490   2013-07-10   
504-405 7 Kenner LA   150C VOICESTREAM GSM I, LLC 490   2013-04-04   
504-405 8 Kenner LA   150C VOICESTREAM GSM I, LLC 490   2013-04-04   
504-405 9 Kenner LA   150C VOICESTREAM GSM I, LLC 490   2012-04-02   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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