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: 815 [Rate centres in NPA 815] [Dial plan for NPA 815]

NXX: 390

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
815-390 A Braidwood IL CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358      
815-390 0 Braidwood IL CHCGILWUDS4  063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 358   2013-04-28   
815-390 1 Braidwood IL CHCGIL24DS6  224C ONVOY, LLC 358   2010-02-14   
815-390 2 Braidwood IL JOLTILJOPMD  846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL 358   2010-03-15   
815-390 3 Braidwood IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2010-10-20   
815-390 4 Braidwood IL CHCGIL24DS6  224C ONVOY, LLC 358   2016-03-28   
815-390 5 Braidwood IL CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358   2005-07-01   
815-390 6 Braidwood IL CHCGILCLXOX  516C AT&T CORP. 358   2011-06-01   
815-390 7 Braidwood IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2012-02-03   
815-390 8 Braidwood IL CHCGILDTDS3  5447 ACCESS ONE, INC. - IL 358   2006-08-06   
815-390 9 Braidwood IL CHCGIL24DS6  224C ONVOY, LLC 358   2012-10-01   

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.