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.

Switch: JCSNMSPSXOY

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
601-236 6 Meridian MS 321J HD CARRIER LLC 482   2026-02-14   
601-236 7 Meridian MS 321J HD CARRIER LLC 482   2026-02-14   
769-334 4 Meridian MS 321J HD CARRIER LLC 482   2026-02-14   
769-363 3 Jackson MS 321J HD CARRIER LLC 482   2026-02-14   
769-363 4 Jackson MS 321J HD CARRIER LLC 482   2026-02-14   
769-768 A Jackson MS 321J HD CARRIER LLC 482      
769-768 8 Jackson MS 321J HD CARRIER LLC 482   2020-07-19   
769-768 9 Jackson MS 321J HD CARRIER LLC 482   2020-07-19   

Last updated: Thu, 16 Jul 2026 02:21:55 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.