Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 815 [Rate centres in NPA 815] [Dial plan for NPA 815]

NXX: 792

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
815-792 A Harding IL HDNGILHGRS0  9329 ILLINOIS BELL TEL CO 358      
815-792 0 Harding IL   063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 358   2013-10-10   
815-792 1 Harding IL   5447 ACCESS ONE, INC. - IL 358   2006-08-06   
815-792 2 Harding IL   224C ONVOY, LLC 358   2016-04-14   
815-792 3 Harding IL   829J PAETEC ITEL, LLC 358   2009-11-13   
815-792 4 Harding IL   984E BANDWIDTH.COM CLEC, LLC - IL 358   2012-03-05   
815-792 5 Harding IL   984E BANDWIDTH.COM CLEC, LLC - IL 358   2014-05-25   
815-792 6 Harding IL   460K FIRST COMMUNICATIONS, LLC 358   2004-02-04   
815-792 7 Harding IL   508J CENTURYLINK COMMUNICATIONS, LLC 358   2014-02-24   
815-792 8 Harding IL   9329 ILLINOIS BELL TEL CO 358      
815-792 9 Harding IL   224C ONVOY, LLC 358   2014-09-07   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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