Local Calling Guide

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

NXX: 585

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
815-585 A Morris IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
815-585 0 Morris IL   6529 T-MOBILE USA, INC. 358   2007-12-14   
815-585 1 Morris IL   6529 T-MOBILE USA, INC. 358   2008-06-16   
815-585 2 Morris IL   6529 T-MOBILE USA, INC. 358   2005-03-28   
815-585 3 Morris IL   6529 T-MOBILE USA, INC. 358   2008-08-19   
815-585 4 Morris IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
815-585 5 Morris IL   6529 T-MOBILE USA, INC. 358   2009-02-20   
815-585 6 Morris IL   6529 T-MOBILE USA, INC. 358   2009-02-20   
815-585 7 Morris IL   318J COMCAST IP PHONE, LLC 358   2014-09-25   
815-585 8 Morris IL   063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 358   2013-04-27   
815-585 9 Morris IL   063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 358   2013-04-27   

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

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