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: 524

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
224-524 A Roselle IL CHCGIL24DS6  224C ONVOY, LLC 358      
224-524 0 Roselle IL CHCGILCNHMD  073H TELNYX LLC 358   2023-12-05   
224-524 1 Roselle IL CHCGIL24DS6  224C ONVOY, LLC 358   2024-02-04   
224-524 2 Roselle IL CHCGIL24DS6  224C ONVOY, LLC 358   2023-12-04   
224-524 3 Roselle IL CHCGIL24DS6  224C ONVOY, LLC 358   2023-12-04   
224-524 8 Roselle IL CHCGIL24DS6  224C ONVOY, LLC 358   2024-02-04   
224-524 9 Roselle IL CHCGIL24DS6  224C ONVOY, LLC 358   2024-02-04   

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.