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.

Chicago Zone 02-Edgewater, IL

<< 1 2 3 4 5 6 7 8

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
872-999 8 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2013-07-19   
872-999 9 CHCGIL24DS6  224C ONVOY, LLC 358   2013-02-11   

<< 1 2 3 4 5 6 7 8

Last updated: Sun, 01 Nov 2026 02:11:49 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.