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: 810

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
318-810 A Colfax LA SHPTLAMAXZY  749E ONVOY, LLC - LA 486      
318-810 0 Colfax LA SHPTLAMA21Z  516J TON80 COMMUNICATIONS, LLC 486   2022-04-11   
318-810 1 Colfax LA SHPTLA12X2Z  6505 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - LA 486   2022-12-19   
318-810 2 Colfax LA SHPTLAMAXZY  749E ONVOY, LLC - LA 486   2021-04-01   
318-810 3 Colfax LA SHPTLAMAXZY  749E ONVOY, LLC - LA 486   2021-04-01   
318-810 4 Colfax LA SHPTLAMAXZY  749E ONVOY, LLC - LA 486   2021-04-01   
318-810 5 Colfax LA SHPTLAMAXZY  749E ONVOY, LLC - LA 486   2021-04-01   

Last updated: Sat, 25 Feb 2023 02:10:49 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.