Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 224 [Rate centres in NPA 224] [Dial plan for NPA 224]

NXX: 836

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
224-836 A Palatine IL PALTILPADS0  9329 ILLINOIS BELL TEL CO 358      
224-836 0 Palatine IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2006-04-06   
224-836 1 Palatine IL   984E BANDWIDTH.COM CLEC, LLC - IL 358   2011-01-01   
224-836 2 Palatine IL   9329 ILLINOIS BELL TEL CO 358      
224-836 3 Palatine IL   224C ONVOY, LLC 358   2016-02-25   
224-836 4 Palatine IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2006-01-15   
224-836 5 Palatine IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2006-01-15   
224-836 6 Palatine IL   5447 ACCESS ONE, INC. - IL 358   2006-01-28   
224-836 7 Palatine IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2012-03-04   
224-836 8 Palatine IL   9329 ILLINOIS BELL TEL CO 358      
224-836 9 Palatine IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2008-11-19   

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

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