Local Calling Guide

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

NXX: 596

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
815-596 A Marengo IL CHCGILCLXOX  516C AT&T CORP. 358      
815-596 0 Marengo IL   984E BANDWIDTH.COM CLEC, LLC - IL 358   2008-12-12   
815-596 1 Marengo IL   792K CHARTER IP ENABLED SERVICES, LLC 358   2006-05-03   
815-596 2 Marengo IL   516C AT&T CORP. 358   2006-05-02   
815-596 3 Marengo IL   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358   2015-05-01   
815-596 4 Marengo IL   318J COMCAST IP PHONE, LLC 358   2021-07-24   
815-596 6 Marengo IL   829J PAETEC ITEL, LLC 358   2009-11-10   
815-596 7 Marengo IL   829J PAETEC ITEL, LLC 358   2008-09-15   
815-596 8 Marengo IL   5447 ACCESS ONE, INC. - IL 358   2006-08-06   
815-596 9 Marengo IL   984E BANDWIDTH.COM CLEC, LLC - IL 358   2010-03-11   

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

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