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: 926

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
815-926 A Wilmington IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
815-926 0 Wilmington IL   5447 ACCESS ONE, INC. - IL 358   2006-08-07   
815-926 1 Wilmington IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2006-04-26   
815-926 2 Wilmington IL   318J COMCAST IP PHONE, LLC 358   2005-07-01   
815-926 3 Wilmington IL   460K FIRST COMMUNICATIONS, LLC 358   2005-02-20   
815-926 4 Wilmington IL   460K FIRST COMMUNICATIONS, LLC 358   2003-07-07   
815-926 5 Wilmington IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
815-926 8 Wilmington IL   829J PAETEC ITEL, LLC 358   2015-09-12   

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.