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: 583

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
318-583 A Saline LA SHPTLA12X2Z  6505 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - LA 486      
318-583 0 Saline LA SHPTLA12X2Z  6505 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - LA 486      
318-583 1 Saline LA SHPTLAMAXZY  749E ONVOY, LLC - LA 486   2021-02-19   
318-583 2 Saline LA SHPTLA12X2Z  6505 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - LA 486      
318-583 3 Saline LA SHPTLAMAXZY  749E ONVOY, LLC - LA 486   2016-04-18   
318-583 4 Saline LA SHPTLAMAXZY  749E ONVOY, LLC - LA 486   2016-04-18   
318-583 5 Saline LA SHPTLAMAXZY  749E ONVOY, LLC - LA 486   2016-05-28   
318-583 6 Saline LA SHPTLAMAXZY  749E ONVOY, LLC - LA 486   2016-05-28   
318-583 8 Saline LA SHPTLAMAXZY  749E ONVOY, LLC - LA 486   2019-03-31   
318-583 9 Saline LA SHPTLAMAXZY  749E ONVOY, LLC - LA 486   2019-03-31   

Last updated: Thu, 04 Aug 2022 23:14:42 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.