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: 318 [Rate centres in NPA 318] [Dial plan for NPA 318]

NXX: 667

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
318-667 A Sterlington LA SHPTLAMAXZY  749E ONVOY, LLC - LA 486      
318-667 0 Sterlington LA   749E ONVOY, LLC - LA 486   2016-05-07   
318-667 1 Sterlington LA   749E ONVOY, LLC - LA 486   2016-05-07   
318-667 2 Sterlington LA   749E ONVOY, LLC - LA 486   2021-02-19   
318-667 3 Sterlington LA   749E ONVOY, LLC - LA 486   2021-02-19   
318-667 4 Sterlington LA   749E ONVOY, LLC - LA 486   2021-02-19   
318-667 5 Sterlington LA   749E ONVOY, LLC - LA 486   2021-02-19   
318-667 6 Sterlington LA   749E ONVOY, LLC - LA 486   2016-05-28   
318-667 7 Sterlington LA   749E ONVOY, LLC - LA 486   2016-05-28   
318-667 8 Sterlington LA   749E ONVOY, LLC - LA 486   2019-03-31   
318-667 9 Sterlington LA   749E ONVOY, LLC - LA 486   2019-03-31   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.