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.

Switch: CTPTLAXA5MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
318-587 8 Cottonport LA 749E ONVOY, LLC - LA 486   2021-09-14   
318-587 9 Cottonport LA 749E ONVOY, LLC - LA 486   2023-09-28   
318-739 8 Mansura LA 749E ONVOY, LLC - LA 486   2021-09-14   
318-783 A Bordelonville LA 749E ONVOY, LLC - LA 486      
318-783 0 Bordelonville LA 749E ONVOY, LLC - LA 486   2021-09-14   
318-784 A Big Cane LA 749E ONVOY, LLC - LA 486      
318-784 0 Big Cane LA 749E ONVOY, LLC - LA 486   2021-09-14   
318-850 A Plaucheville LA 749E ONVOY, LLC - LA 486      
318-850 0 Plaucheville LA 749E ONVOY, LLC - LA 486   2021-09-14   
318-850 9 Plaucheville LA 749E ONVOY, LLC - LA 486   2022-12-10   
318-941 7 Simmesport LA 749E ONVOY, LLC - LA 486   2021-09-14   
318-985 8 Moreauville LA 749E ONVOY, LLC - LA 486   2021-09-14   

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.