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: 356

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
447-356 A Riverton IL SPFDILESXTX  965H FRACTEL, LLC 374      
447-356 0 Riverton IL SPFDILESXYX  495J STRATUS NETWORKS 374      
447-356 1 Riverton IL CHMPILCP11Z  490J DISH WIRELESS, LLC 374      
447-356 2 Riverton IL SPFDILES7MD  224C ONVOY, LLC 374      
447-356 3 Riverton IL   624H ONVOY SPECTRUM, LLC 374      
447-356 6 Riverton IL   063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 374      
447-356 7 Riverton IL SPFDILES7MD  224C ONVOY, LLC 374      
447-356 8 Riverton IL SPFDILES8MD  939H COMMIO, LLC 374      
447-356 9 Riverton IL SPFDILESXTX  965H FRACTEL, LLC 374      

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.