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: 447 [Rate centres in NPA 447] [Dial plan for NPA 447]

NXX: 747

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
447-747 A Barry IL JCVLILXCDMD  224C ONVOY, LLC 376      
447-747 4 Barry IL JCVLILXCDMD  224C ONVOY, LLC 376   2021-06-16   
447-747 7 Barry IL JCVLILXCDMD  224C ONVOY, LLC 376   2021-07-30   
447-747 8 Barry IL JCVLILXCDMD  224C ONVOY, LLC 376   2021-10-16   

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.