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.

Germantown Hills, IL

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
309-383 A GTHLILXDDS0  1053 METAMORA TEL. CO. 368      
309-842 A PEORILPJXMY  846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL 368      
309-842 1 PEORILSCX0X  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 368   2022-10-28   
309-842 5 PEORILPJXOZ  965H FRACTEL, LLC 368   2021-01-15   
309-842 9 PEORILPJXMY  846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL 368   2010-03-06   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.