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.

Walnut, IL

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
815-379 A WLNTILXADS0  1015 FRONTIER NORTH, INC. - IL 368      
815-379 0 PEORILTCDS0  5800 ITV-3, LLC D/B/A I3 BROADBAND 368   2003-06-09   
815-379 1 PEORILPJX8Z  073H TELNYX LLC 368   2020-07-20   
815-379 2 WLNTILXADS0  1015 FRONTIER NORTH, INC. - IL 368      
815-379 3 KEWNILXDYMD  846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL 368   2010-04-15   
815-379 5 PEORILPJXWZ  506J TWILIO INTERNATIONAL, INC. 368   2021-08-16   
815-379 6 PEORILPJXRZ  495J STRATUS NETWORKS 368   2020-08-03   
815-379 7 PEORILPJX1Z  508J CENTURYLINK COMMUNICATIONS, LLC 368   2016-08-06   
815-379 8 PEORILPJDS4  063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 368   2015-11-05   
815-379 9 WLNTILXADS0  1015 FRONTIER NORTH, INC. - IL 368      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.