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: 688

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
504-688 A New Orleans LA NWORLASD6MD  965H FRACTEL, LLC 490      
504-688 0 New Orleans LA   653C TELEPORT COMMUNICATIONS AMERICA LA - LLC 490   2021-06-18   
504-688 1 New Orleans LA   5562 METROPCS, INC. 490   2020-04-02   
504-688 2 New Orleans LA   749E ONVOY, LLC - LA 490   2020-06-22   
504-688 3 New Orleans LA   749E ONVOY, LLC - LA 490   2020-06-22   
504-688 4 New Orleans LA   749E ONVOY, LLC - LA 490   2020-05-26   
504-688 5 New Orleans LA   749E ONVOY, LLC - LA 490   2020-05-26   
504-688 6 New Orleans LA   749E ONVOY, LLC - LA 490   2020-05-26   
504-688 7 New Orleans LA   749E ONVOY, LLC - LA 490   2020-06-22   
504-688 8 New Orleans LA   965H FRACTEL, LLC 490   2020-02-11   
504-688 9 New Orleans LA   150C VOICESTREAM GSM I, LLC 490   2021-06-20   

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

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