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: 290

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
815-290 A Minooka IL CHCGILCLXOX  516C AT&T CORP. 358      
815-290 0 Minooka IL   984E BANDWIDTH.COM CLEC, LLC - IL 358   2010-05-09   
815-290 1 Minooka IL   224C ONVOY, LLC 358   2024-03-09   
815-290 2 Minooka IL   508J CENTURYLINK COMMUNICATIONS, LLC 358   2014-02-24   
815-290 3 Minooka IL   7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358   2008-10-14   
815-290 4 Minooka IL   829J PAETEC ITEL, LLC 358   2007-11-30   
815-290 5 Minooka IL   516C AT&T CORP. 358   2006-05-02   
815-290 6 Minooka IL   515J IP HORIZON LLC 358   2021-06-27   
815-290 7 Minooka IL   9329 ILLINOIS BELL TEL CO 358   2008-03-19   
815-290 8 Minooka IL   5447 ACCESS ONE, INC. - IL 358   2006-08-06   
815-290 9 Minooka IL   984E BANDWIDTH.COM CLEC, LLC - IL 358   2008-12-12   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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