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: 942

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
318-942 A Castor LA SHPTLAMA21Z  516J TON80 COMMUNICATIONS, LLC 486      
318-942 0 Castor LA SHPTLAMAXZY  749E ONVOY, LLC - LA 486   2023-09-28   
318-942 6 Castor LA SHPTLAMA21Z  516J TON80 COMMUNICATIONS, LLC 486   2022-03-28   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.