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: 708 [Rate centres in NPA 708] [Dial plan for NPA 708]

NXX: 797

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
708-797 A Cicero IL CHCGIL24DS0  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
708-797 0 Cicero IL   7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
708-797 1 Cicero IL   224C ONVOY, LLC 358   2019-07-07   
708-797 2 Cicero IL   224C ONVOY, LLC 358   2019-07-07   
708-797 3 Cicero IL   984E BANDWIDTH.COM CLEC, LLC - IL 358   2015-05-17   
708-797 4 Cicero IL   7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358   2007-03-16   
708-797 5 Cicero IL   515J IP HORIZON LLC 358   2016-08-09   
708-797 6 Cicero IL   224C ONVOY, LLC 358   2016-03-21   
708-797 7 Cicero IL   224C ONVOY, LLC 358   2016-03-21   
708-797 8 Cicero IL   063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 358   2013-04-27   
708-797 9 Cicero IL   224C ONVOY, LLC 358   2019-07-07   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.