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.

NPA: 504 [Rate centres in NPA 504] [Dial plan for NPA 504]

NXX: 233

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
504-233 A Lafitte LA NWORLAMAYIX  318J COMCAST IP PHONE, LLC 490      
504-233 0 Lafitte LA NWORLAMA61Z  153F BANDWIDTH.COM CLEC, LLC - LA 490   2008-12-18   
504-233 1 Lafitte LA NWORLAMAYIX  318J COMCAST IP PHONE, LLC 490      
504-233 2 Lafitte LA NWORLAMA61Z  153F BANDWIDTH.COM CLEC, LLC - LA 490   2010-09-27   
504-233 3 Lafitte LA NWORLAMA61Z  153F BANDWIDTH.COM CLEC, LLC - LA 490   2011-04-02   
504-233 4 Lafitte LA NWORLAMA61Z  153F BANDWIDTH.COM CLEC, LLC - LA 490   2011-07-30   
504-233 5 Lafitte LA NWORLAMA90Z  516C AT&T CORP. 490   2011-10-05   
504-233 6 Lafitte LA NWORLAMA46Z  749E ONVOY, LLC - LA 490   2020-11-02   
504-233 7 Lafitte LA NWORLAMA61Z  153F BANDWIDTH.COM CLEC, LLC - LA 490   2014-02-16   
504-233 8 Lafitte LA NWORLAMA61Z  153F BANDWIDTH.COM CLEC, LLC - LA 490   2011-07-30   
504-233 9 Lafitte LA NWORLAMA61Z  153F BANDWIDTH.COM CLEC, LLC - LA 490   2011-07-30   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.