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: 570

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
224-570 A Waukegan IL CHCGILWUJMD  073H TELNYX LLC 358      
224-570 0 Waukegan IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2018-02-11   
224-570 1 Waukegan IL CHCGILWUJMD  073H TELNYX LLC 358   2017-02-03   
224-570 2 Waukegan IL CHCGIL24DS6  224C ONVOY, LLC 358   2017-09-21   
224-570 3 Waukegan IL CHCGIL24DS6  224C ONVOY, LLC 358   2017-09-21   
224-570 4 Waukegan IL CHCGIL24DS6  224C ONVOY, LLC 358   2017-09-21   
224-570 5 Waukegan IL CHCGIL24DS6  224C ONVOY, LLC 358   2017-09-21   
224-570 6 Waukegan IL OKBRILOAXEX  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358   2018-02-17   
224-570 7 Waukegan IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2018-02-11   
224-570 8 Waukegan IL CHCGIL24DS6  224C ONVOY, LLC 358   2019-07-07   
224-570 9 Waukegan IL CHCGIL24DS6  224C ONVOY, LLC 358   2019-07-07   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.