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: 736

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
815-736 A Lisbon IL LSBNILLBRS0  9329 ILLINOIS BELL TEL CO 358      
815-736 0 Lisbon IL CHCGIL24DS6  224C ONVOY, LLC 358   2016-04-11   
815-736 1 Lisbon IL CHCGILDTKMD  5447 ACCESS ONE, INC. - IL 358   2006-08-06   
815-736 2 Lisbon IL CHCGILWUDS4  063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 358   2013-04-29   
815-736 4 Lisbon IL CHCGILDT8MD  508J CENTURYLINK COMMUNICATIONS, LLC 358   2014-02-24   
815-736 5 Lisbon IL CHCGILWBXWZ  829J PAETEC ITEL, LLC 358   2009-11-13   
815-736 6 Lisbon IL LSBNILLBRS0  9329 ILLINOIS BELL TEL CO 358      
815-736 7 Lisbon IL CHCGILWUDS4  063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 358   2013-04-29   
815-736 9 Lisbon IL CHCGIL24DS6  224C ONVOY, LLC 358   2016-04-11   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.