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: 274

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
504-274 A New Orleans LA NWORLAADDS0  771A XFONE USA, INC. - LA 490      
504-274 0 New Orleans LA   771A XFONE USA, INC. - LA 490   2003-07-24   
504-274 1 New Orleans LA   771A XFONE USA, INC. - LA 490   2003-07-24   
504-274 2 New Orleans LA   771A XFONE USA, INC. - LA 490   2003-07-24   
504-274 3 New Orleans LA   771A XFONE USA, INC. - LA 490   2003-07-24   
504-274 4 New Orleans LA   771A XFONE USA, INC. - LA 490   2003-07-24   
504-274 5 New Orleans LA   5562 METROPCS, INC. 490   2004-12-06   
504-274 6 New Orleans LA   5562 METROPCS, INC. 490   2005-01-28   
504-274 7 New Orleans LA   5562 METROPCS, INC. 490   2005-01-28   
504-274 8 New Orleans LA   150C VOICESTREAM GSM I, LLC 490   2005-05-27   
504-274 9 New Orleans LA   150C VOICESTREAM GSM I, LLC 490   2005-04-02   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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