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: 389

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
504-389 A New Orleans LA NWORLASD8MD  321J HD CARRIER LLC 490      
504-389 0 New Orleans LA   6505 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - LA 490   2023-08-14   
504-389 1 New Orleans LA   749E ONVOY, LLC - LA 490   2022-01-29   
504-389 2 New Orleans LA   749E ONVOY, LLC - LA 490   2021-12-04   
504-389 3 New Orleans LA   749E ONVOY, LLC - LA 490   2021-12-04   
504-389 4 New Orleans LA   749E ONVOY, LLC - LA 490   2021-12-04   
504-389 5 New Orleans LA   749E ONVOY, LLC - LA 490   2021-12-04   
504-389 6 New Orleans LA   749E ONVOY, LLC - LA 490   2021-12-04   
504-389 7 New Orleans LA   749E ONVOY, LLC - LA 490   2021-12-04   
504-389 8 New Orleans LA   321J HD CARRIER LLC 490   2021-12-03   
504-389 9 New Orleans LA   321J HD CARRIER LLC 490   2021-12-03   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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