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.

Downers Grove, IL

<< 1 2 3 4 5 6 7

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
630-996 8   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2025-06-26   
630-996 9   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2025-06-26   

<< 1 2 3 4 5 6 7

Last updated: Sat, 02 May 2026 12:20:53 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.