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.

Switch: WHTNILWHDS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
630-260 A Wheaton IL 9329 AMERITECH ILLINOIS 358      
630-384 A Wheaton IL 9329 AMERITECH ILLINOIS 358      
630-462 A Wheaton IL 9329 AMERITECH ILLINOIS 358      
630-510 A Wheaton IL 9329 AMERITECH ILLINOIS 358      
630-588 A Wheaton IL 9329 AMERITECH ILLINOIS 358      
630-653 A Wheaton IL 9329 AMERITECH ILLINOIS 358      
630-665 A Wheaton IL 9329 AMERITECH ILLINOIS 358      
630-668 A Wheaton IL 9329 AMERITECH ILLINOIS 358      
630-681 A Wheaton IL 9329 AMERITECH ILLINOIS 358      
630-682 A Wheaton IL 9329 AMERITECH ILLINOIS 358      
630-690 A Wheaton IL 9329 AMERITECH ILLINOIS 358      
630-784 A Wheaton IL 9329 AMERITECH ILLINOIS 358      
630-871 A Wheaton IL 9329 AMERITECH ILLINOIS 358      
630-933 A Wheaton IL 9329 AMERITECH ILLINOIS 358      

Last updated: Sun, 10 Nov 2019 13:49:34 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.