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.

Danforth, IL

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
779-273 A CHCGIL24DS6  224C ONVOY, LLC 358      
779-273 0 CHCGIL245MD  073H TELNYX LLC 358   2020-07-26   
779-273 1 CHCGIL24DS6  224C ONVOY, LLC 358   2020-07-25   
779-273 2 CHCGIL24DS6  224C ONVOY, LLC 358   2021-02-12   
779-273 3 CHCGIL24DS6  224C ONVOY, LLC 358   2021-02-12   
779-273 4 CHCGIL24DS6  224C ONVOY, LLC 358   2021-02-12   
779-273 5 CHCGIL24DS6  224C ONVOY, LLC 358   2021-08-09   
779-273 8 CHCGILIDXDX  624H ONVOY SPECTRUM, LLC 358   2024-04-20   
815-269 A DNFTILXARS0  1000 FRONTIER COMMUNICATIONS OF THE CAROLINAS, INC - IL 358      
815-269 0 CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358   2020-03-13   
815-269 1 CHCGILWUX6X  460K FIRST COMMUNICATIONS, LLC 358   2005-02-26   
815-269 2 DNFTILXARS0  1000 FRONTIER COMMUNICATIONS OF THE CAROLINAS, INC - IL 358      
815-269 4 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2014-06-05   
815-269 5 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2015-06-08   
815-269 6 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2012-05-21   
815-269 7 CHCGILDT8MD  508J CENTURYLINK COMMUNICATIONS, LLC 358   2015-06-25   
815-269 9 CHCGIL24DS6  224C ONVOY, LLC 358   2019-08-24   

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.