Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

NPA: 504 [Rate centres in NPA 504] [Dial plan for NPA 504]

NXX: 492

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
504-492 A Lafitte LA   749E ONVOY, LLC - LA 490   2024-04-29   
504-492 0 Lafitte LA   749E ONVOY, LLC - LA 490      
504-492 1 Lafitte LA   515J IP HORIZON LLC 490      
504-492 2 Lafitte LA   150C VOICESTREAM GSM I, LLC 490      
504-492 3 Lafitte LA   624H ONVOY SPECTRUM, LLC 490      
504-492 4 Lafitte LA   624H ONVOY SPECTRUM, LLC 490      
504-492 5 Lafitte LA   624H ONVOY SPECTRUM, LLC 490      
504-492 8 Lafitte LA   749E ONVOY, LLC - LA 490      
504-492 9 Lafitte LA   749E ONVOY, LLC - LA 490      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.