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: 708 [Rate centres in NPA 708] [Dial plan for NPA 708]

NXX: 320

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
708-320 A Chicago Zone 03-Kildare IL CHCGILWBXWZ  829J PAETEC ITEL, LLC 358   2024-12-09   
708-320 0 Chicago Zone 03-Kildare IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2012-02-24   
708-320 1 Chicago Zone 03-Kildare IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2011-06-17   
708-320 2 Chicago Zone 03-Kildare IL CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358   2012-04-21   
708-320 3 Chicago Zone 03-Kildare IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2011-06-17   
708-320 4 Chicago Zone 03-Kildare IL CHCGILWUX6X  460K FIRST COMMUNICATIONS, LLC 358   2005-02-24   
708-320 5 Chicago Zone 03-Kildare IL CHCGILWUX6X  460K FIRST COMMUNICATIONS, LLC 358   2004-06-18   
708-320 7 Chicago Zone 03-Kildare IL CHCGILDTKMD  5447 ACCESS ONE, INC. - IL 358   2006-01-22   
708-320 8 Chicago Zone 03-Kildare IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2010-03-21   
708-320 9 Chicago Zone 03-Kildare IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2010-03-21   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.