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: 212

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
447-212 A West Union IL TRRHINXAQMD  224C ONVOY, LLC 938      
447-212 0 West Union IL   624H ONVOY SPECTRUM, LLC 938   2021-11-17   
447-212 1 West Union IL   073H TELNYX LLC 938   2022-08-19   
447-212 2 West Union IL   224C ONVOY, LLC 938   2021-09-26   
447-212 3 West Union IL   224C ONVOY, LLC 938   2021-09-26   
447-212 9 West Union IL   224C ONVOY, LLC 938   2023-09-30   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.