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: LGRCILLGDS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
630-662 A La Grange IL 9329 AMERITECH ILLINOIS 358      
708-245 A La Grange IL 9329 AMERITECH ILLINOIS 358   2004-10-23   
708-246 A La Grange IL 9329 AMERITECH ILLINOIS 358      
708-352 A La Grange IL 9329 AMERITECH ILLINOIS 358      
708-354 A La Grange IL 9329 AMERITECH ILLINOIS 358      
708-387 A La Grange IL 9329 AMERITECH ILLINOIS 358      
708-482 A La Grange IL 9329 AMERITECH ILLINOIS 358      
708-485 A La Grange IL 9329 AMERITECH ILLINOIS 358      
708-579 A La Grange IL 9329 AMERITECH ILLINOIS 358      
708-588 A La Grange IL 9329 AMERITECH ILLINOIS 358      
708-639 A La Grange IL 9329 AMERITECH ILLINOIS 358      
708-783 A La Grange IL 9329 AMERITECH ILLINOIS 358      
708-784 A La Grange IL 9329 AMERITECH ILLINOIS 358      

Last updated: Tue, 31 Dec 2019 02:37:20 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.