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: 230

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
504-230 A Kenner LA NWORLAMTX6Y  150C VOICESTREAM GSM I, LLC 490      
504-230 0 Kenner LA   153F BANDWIDTH.COM CLEC, LLC - LA 490   2011-09-18   
504-230 1 Kenner LA   749E ONVOY, LLC - LA 490   2024-04-13   
504-230 2 Kenner LA   150C VOICESTREAM GSM I, LLC 490   2014-08-16   
504-230 3 Kenner LA   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 490   2025-02-03   
504-230 4 Kenner LA   150C VOICESTREAM GSM I, LLC 490   2011-10-24   
504-230 5 Kenner LA   749E ONVOY, LLC - LA 490   2022-11-14   
504-230 6 Kenner LA   749E ONVOY, LLC - LA 490   2022-11-14   
504-230 7 Kenner LA   145J TERRA NOVA TELECOM INC. 490   2023-04-29   
504-230 8 Kenner LA   515J IP HORIZON LLC 490   2024-04-15   
504-230 9 Kenner LA   150C VOICESTREAM GSM I, LLC 490   2011-08-12   

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

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