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: 927

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
224-927 A Northbrook IL CHCGIL24DS3  4604 FIRST COMMUNICATIONS, LLC - IL 358      
224-927 0 Northbrook IL CHCGILACGT0  8702 RCN TELECOM SERVICES OF ILLINIOS, INC. - IL 358   2007-08-02   
224-927 1 Northbrook IL CHCGIL24DS3  4604 FIRST COMMUNICATIONS, LLC - IL 358   2006-11-17   
224-927 2 Northbrook IL CHCGIL24DS3  4604 FIRST COMMUNICATIONS, LLC - IL 358   2006-11-17   
224-927 3 Northbrook IL CHCGIL24DS3  4604 FIRST COMMUNICATIONS, LLC - IL 358   2006-11-17   
224-927 4 Northbrook IL CHCGIL24DS3  4604 FIRST COMMUNICATIONS, LLC - IL 358   2006-11-17   
224-927 5 Northbrook IL CHCGIL24DS3  4604 FIRST COMMUNICATIONS, LLC - IL 358   2006-11-17   
224-927 6 Northbrook IL CHCGIL24DS3  4604 FIRST COMMUNICATIONS, LLC - IL 358   2006-11-17   
224-927 7 Northbrook IL CHCGIL24DS3  4604 FIRST COMMUNICATIONS, LLC - IL 358   2006-11-17   
224-927 8 Northbrook IL CHCGIL24DS3  4604 FIRST COMMUNICATIONS, LLC - IL 358   2006-11-17   
224-927 9 Northbrook IL OKBRILDODS0  259E YMAX COMMUNICATIONS CORP. - IL 358   2007-06-29   

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.