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: 224 [Rate centres in NPA 224] [Dial plan for NPA 224]

NXX: 335

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
224-335 A Antioch IL CHCGIL24XMD  495J STRATUS NETWORKS 358      
224-335 0 Antioch IL CHCGILWUDS4  063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 358   2020-11-09   
224-335 1 Antioch IL CHCGIL24XMD  495J STRATUS NETWORKS 358   2020-10-25   
224-335 4 Antioch IL CHCGIL24DS6  224C ONVOY, LLC 358   2021-03-02   
224-335 5 Antioch IL CHCGIL24DS6  224C ONVOY, LLC 358   2021-03-02   
224-335 6 Antioch IL CHCGIL24DS6  224C ONVOY, LLC 358   2021-03-02   
224-335 7 Antioch IL CHCGIL24DS6  224C ONVOY, LLC 358   2021-04-23   
224-335 8 Antioch IL CHCGIL24DS6  224C ONVOY, LLC 358   2024-02-24   
224-335 9 Antioch IL CHCGIL24DS6  224C ONVOY, LLC 358   2021-04-23   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.