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: 474

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
504-474 A New Orleans LA NWORLAMA46Z  749E ONVOY, LLC - LA 490   2024-06-09   
504-474 0 New Orleans LA NWORLAMA46Z  749E ONVOY, LLC - LA 490   2024-06-09   
504-474 4 New Orleans LA NWORLAMA46Z  749E ONVOY, LLC - LA 490   2024-06-09   
504-474 5 New Orleans LA NWORLAMA46Z  749E ONVOY, LLC - LA 490   2024-06-22   
504-474 6 New Orleans LA NWORLAMA46Z  749E ONVOY, LLC - LA 490   2024-06-22   
504-474 7 New Orleans LA NWORLAMA46Z  749E ONVOY, LLC - LA 490   2024-06-22   
504-474 8 New Orleans LA NWORLAMA46Z  749E ONVOY, LLC - LA 490   2024-06-22   
504-474 9 New Orleans LA NWORLAMA46Z  749E ONVOY, LLC - LA 490   2024-06-22   

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

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