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: 505

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
224-505 A Winnetka IL   224C ONVOY, LLC 358      
224-505 0 Winnetka IL   224C ONVOY, LLC 358   2015-02-13   
224-505 1 Winnetka IL   224C ONVOY, LLC 358   2015-02-13   
224-505 2 Winnetka IL   224C ONVOY, LLC 358   2015-02-13   
224-505 3 Winnetka IL   984E BANDWIDTH.COM CLEC, LLC - IL 358   2015-07-02   
224-505 4 Winnetka IL   224C ONVOY, LLC 358   2016-03-07   
224-505 5 Winnetka IL   7607 COMCAST PHONE OF ILLINOIS, LLC DBA COMCO - IL 358   2015-07-16   
224-505 6 Winnetka IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2016-10-21   
224-505 7 Winnetka IL   7575 CENTURYLINK COMMUNICATIONS LLC 358   2015-02-16   
224-505 8 Winnetka IL   224C ONVOY, LLC 358   2016-03-07   
224-505 9 Winnetka IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2015-02-16   

Last updated: Sun, 29 Nov 2020 13:13:58 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.