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: 355

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
504-355 A New Orleans LA NWORLAMLDS0  181D HUNT TELECOMMUNICATIONS, LLC - LA 490      
504-355 0 New Orleans LA NWORLAMLDS0  181D HUNT TELECOMMUNICATIONS, LLC - LA 490   2006-04-23   
504-355 1 New Orleans LA NWORLAMA61Z  153F BANDWIDTH.COM CLEC, LLC - LA 490   2010-06-24   
504-355 2 New Orleans LA   749E ONVOY, LLC - LA 490   2009-03-03   
504-355 3 New Orleans LA   749E ONVOY, LLC - LA 490   2009-03-03   
504-355 4 New Orleans LA NWORLAMAYUX  829J PAETEC ITEL, LLC 490   2006-12-04   
504-355 5 New Orleans LA NWORLAMAYUX  829J PAETEC ITEL, LLC 490   2007-02-15   
504-355 6 New Orleans LA MNVLLA20G07  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 490   2007-05-18   
504-355 7 New Orleans LA MNVLLA20G07  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 490   2007-05-18   
504-355 8 New Orleans LA   749E ONVOY, LLC - LA 490   2009-03-03   
504-355 9 New Orleans LA   749E ONVOY, LLC - LA 490   2009-03-03   

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

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