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: 998

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
224-998 A Skokie IL CHCGIL24DS0  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
224-998 0 Skokie IL   224C ONVOY, LLC 358   2016-03-21   
224-998 1 Skokie IL   460K FIRST COMMUNICATIONS, LLC 358   2016-02-09   
224-998 2 Skokie IL   7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358   2016-02-08   
224-998 3 Skokie IL   224C ONVOY, LLC 358   2016-03-21   
224-998 4 Skokie IL   197D VONAGE AMERICA LLC 358   2020-10-15   
224-998 5 Skokie IL   224C ONVOY, LLC 358   2019-07-07   
224-998 6 Skokie IL   224C ONVOY, LLC 358   2019-07-07   
224-998 7 Skokie IL   197D VONAGE AMERICA LLC 358   2020-10-15   
224-998 8 Skokie IL   6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2017-08-30   
224-998 9 Skokie IL   224C ONVOY, LLC 358   2019-07-07   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.