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: 850

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
224-850 A Cary IL CHCGILIDXDX  624H ONVOY SPECTRUM, LLC 358      
224-850 0 Cary IL   224C ONVOY, LLC 358   2024-03-02   
224-850 1 Cary IL   515J IP HORIZON LLC 358   2021-06-27   
224-850 2 Cary IL CHCGILNEXIX  506J TWILIO INTERNATIONAL, INC. 358   2021-08-30   
224-850 3 Cary IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2021-12-16   
224-850 4 Cary IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2021-12-16   
224-850 5 Cary IL   515J IP HORIZON LLC 358   2023-07-07   
224-850 6 Cary IL CHCGILIDXDX  624H ONVOY SPECTRUM, LLC 358   2021-06-28   
224-850 7 Cary IL   515J IP HORIZON LLC 358   2023-07-07   
224-850 8 Cary IL CHCGILIDXDX  624H ONVOY SPECTRUM, LLC 358   2021-11-26   
224-850 9 Cary IL CHCGILIDXDX  624H ONVOY SPECTRUM, LLC 358   2021-11-26   

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.