Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

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 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2006-04-06   
224-836 1 Palatine IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2011-01-01   
224-836 2 Palatine IL PALTILPADS0  9329 ILLINOIS BELL TEL CO 358      
224-836 3 Palatine IL CHCGIL24DS6  224C ONVOY, LLC 358   2016-02-25   
224-836 4 Palatine IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2006-01-15   
224-836 5 Palatine IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2006-01-15   
224-836 6 Palatine IL CHCGILDTDS3  5447 ACCESS ONE, INC. - IL 358   2006-01-28   
224-836 7 Palatine IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2012-03-04   
224-836 8 Palatine IL PALTILPADS0  9329 ILLINOIS BELL TEL CO 358      
224-836 9 Palatine IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2008-11-19   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.