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: 725 [Rate centres in NPA 725] [Dial plan for NPA 725]

NXX: 353

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
725-353 A Las Vegas NV   029F ONVOY, LLC - NV 721   2025-11-15   
725-353 0 Las Vegas NV   029F ONVOY, LLC - NV 721   2025-11-15   
725-353 1 Las Vegas NV   029F ONVOY, LLC - NV 721   2025-11-15   
725-353 2 Las Vegas NV   029F ONVOY, LLC - NV 721   2025-11-15   
725-353 3 Las Vegas NV   029F ONVOY, LLC - NV 721   2025-11-15   
725-353 4 Las Vegas NV   029F ONVOY, LLC - NV 721   2025-11-15   
725-353 5 Las Vegas NV   029F ONVOY, LLC - NV 721   2025-11-15   
725-353 6 Las Vegas NV   029F ONVOY, LLC - NV 721   2025-11-17   
725-353 7 Las Vegas NV   029F ONVOY, LLC - NV 721   2025-11-17   
725-353 8 Las Vegas NV   029F ONVOY, LLC - NV 721   2025-11-17   
725-353 9 Las Vegas NV   029F ONVOY, LLC - NV 721   2025-11-17   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.