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: 545

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
504-545 A Lafitte LA NWORLAMA46Z  749E ONVOY, LLC - LA 490      
504-545 0 Lafitte LA   624H ONVOY SPECTRUM, LLC 490   2023-07-29   
504-545 1 Lafitte LA   749E ONVOY, LLC - LA 490   2023-09-11   
504-545 2 Lafitte LA   939H COMMIO, LLC 490   2023-10-28   
504-545 3 Lafitte LA   939H COMMIO, LLC 490   2023-10-28   
504-545 4 Lafitte LA   749E ONVOY, LLC - LA 490   2023-03-20   
504-545 5 Lafitte LA   939H COMMIO, LLC 490   2023-10-28   
504-545 6 Lafitte LA   624H ONVOY SPECTRUM, LLC 490   2024-02-03   
504-545 7 Lafitte LA   624H ONVOY SPECTRUM, LLC 490   2024-02-03   
504-545 8 Lafitte LA   939H COMMIO, LLC 490   2023-10-28   
504-545 9 Lafitte LA   939H COMMIO, LLC 490   2023-10-28   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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