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: 400

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
447-400 A Sherman IL SPFDILESXTX  965H FRACTEL, LLC 374      
447-400 0 Sherman IL SPFDILESXTX  965H FRACTEL, LLC 374      
447-400 1 Sherman IL SPFDILESXYX  495J STRATUS NETWORKS 374      
447-400 2 Sherman IL SPFDILES7MD  224C ONVOY, LLC 374      
447-400 3 Sherman IL SPFDILES7MD  224C ONVOY, LLC 374      
447-400 4 Sherman IL SPFDILESXTX  965H FRACTEL, LLC 374      
447-400 5 Sherman IL   073H TELNYX LLC 374      
447-400 6 Sherman IL   073H TELNYX LLC 374      
447-400 7 Sherman IL SPFDILES7MD  224C ONVOY, LLC 374      
447-400 8 Sherman IL SPFDILES7MD  224C ONVOY, LLC 374      
447-400 9 Sherman IL   624H ONVOY SPECTRUM, LLC 374      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.