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: 552

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
224-552 A Lake Forest IL LKFRILLFRP0  9329 ILLINOIS BELL TEL CO 358      
224-552 0 Lake Forest IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2010-09-10   
224-552 1 Lake Forest IL CHCGILWUX1X  4717 PAETEC COMMUNICATIONS, INC. - IL 358   2007-02-23   
224-552 2 Lake Forest IL LKFRILLFRP0  9329 ILLINOIS BELL TEL CO 358   2007-08-02   
224-552 3 Lake Forest IL LKFRILLFRP0  9329 ILLINOIS BELL TEL CO 358   2007-08-02   
224-552 4 Lake Forest IL LKFRILLFRP0  9329 ILLINOIS BELL TEL CO 358   2007-08-02   
224-552 5 Lake Forest IL CHCGIL24DS3  4604 FIRST COMMUNICATIONS, LLC - IL 358   2007-02-11   
224-552 6 Lake Forest IL LKFRILLFRP0  9329 ILLINOIS BELL TEL CO 358   2007-08-02   
224-552 7 Lake Forest IL LKFRILLFRP0  9329 ILLINOIS BELL TEL CO 358   2007-08-02   
224-552 8 Lake Forest IL LKFRILLFRP0  9329 ILLINOIS BELL TEL CO 358   2006-11-03   
224-552 9 Lake Forest IL LKFRILLFRP0  9329 ILLINOIS BELL TEL CO 358   2006-11-03   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.