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: 523

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
708-523 A Summit IL OKBRILOADC2  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
708-523 0 Summit IL CHCGILWUDS4  063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 358      
708-523 1 Summit IL CHCGILWUDS4  063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 358      
708-523 2 Summit IL CHCGIL24DS6  224C ONVOY, LLC 358      
708-523 3 Summit IL CHCGILCLXOX  516C AT&T CORP. 358      
708-523 5 Summit IL OKBRILOADC2  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
708-523 7 Summit IL CHCGIL24DS6  224C ONVOY, LLC 358      
708-523 8 Summit IL CHCGIL24DS6  224C ONVOY, LLC 358      
708-523 9 Summit IL CHCGILWUJMD  073H TELNYX LLC 358      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.