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: 420

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
504-420 A Venice LA NWORLAMA46Z  749E ONVOY, LLC - LA 490      
504-420 0 Venice LA NWORLAMA46Z  749E ONVOY, LLC - LA 490   2019-06-04   
504-420 1 Venice LA NWORLAMA46Z  749E ONVOY, LLC - LA 490   2019-06-04   
504-420 2 Venice LA NWORLAMA46Z  749E ONVOY, LLC - LA 490   2020-04-27   
504-420 3 Venice LA NWORLAMA46Z  749E ONVOY, LLC - LA 490   2020-04-27   
504-420 4 Venice LA NWORLAMA46Z  749E ONVOY, LLC - LA 490   2019-05-20   
504-420 5 Venice LA NWORLAMA46Z  749E ONVOY, LLC - LA 490   2019-05-20   
504-420 6 Venice LA NWORLAMA46Z  749E ONVOY, LLC - LA 490   2020-04-27   
504-420 7 Venice LA NWORLAMA46Z  749E ONVOY, LLC - LA 490   2020-04-27   
504-420 8 Venice LA NWORLAMA46Z  749E ONVOY, LLC - LA 490   2019-06-04   
504-420 9 Venice LA NWORLAMA46Z  749E ONVOY, LLC - LA 490   2019-06-04   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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