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: 284

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
318-284 A Ida LA IDA LAXARS1  0434 BRIGHTSPEED OF LOUISIANA, LLC 486      
318-284 0 Ida LA   0434 BRIGHTSPEED OF LOUISIANA, LLC 486      
318-284 1 Ida LA   0434 BRIGHTSPEED OF LOUISIANA, LLC 486      
318-284 2 Ida LA   0434 BRIGHTSPEED OF LOUISIANA, LLC 486      
318-284 3 Ida LA   0434 BRIGHTSPEED OF LOUISIANA, LLC 486      
318-284 4 Ida LA   0434 BRIGHTSPEED OF LOUISIANA, LLC 486      
318-284 5 Ida LA   749E ONVOY, LLC - LA 486   2019-01-05   
318-284 6 Ida LA   0434 BRIGHTSPEED OF LOUISIANA, LLC 486      
318-284 7 Ida LA   3232 LEVEL 3 COMMUNICATIONS, LLC - LA 486   2014-09-14   
318-284 8 Ida LA   749E ONVOY, LLC - LA 486   2018-11-06   
318-284 9 Ida LA   0434 BRIGHTSPEED OF LOUISIANA, LLC 486      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.