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: SCBGILCODS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
224-698 A Schaumburg IL 9329 AMERITECH ILLINOIS 358      
847-240 A Schaumburg IL 9329 AMERITECH ILLINOIS 358      
847-330 A Schaumburg IL 9329 AMERITECH ILLINOIS 358      
847-407 A Schaumburg IL 9329 AMERITECH ILLINOIS 358      
847-413 A Schaumburg IL 9329 AMERITECH ILLINOIS 358      
847-517 A Schaumburg IL 9329 AMERITECH ILLINOIS 358      
847-605 A Schaumburg IL 9329 AMERITECH ILLINOIS 358      
847-619 A Schaumburg IL 9329 AMERITECH ILLINOIS 358      
847-706 A Schaumburg IL 9329 AMERITECH ILLINOIS 358      
847-762 A Schaumburg IL 9329 AMERITECH ILLINOIS 358      
847-874 A Schaumburg IL 9329 AMERITECH ILLINOIS 358      
847-944 A Schaumburg IL 9329 AMERITECH ILLINOIS 358      
847-969 A Schaumburg IL 9329 AMERITECH ILLINOIS 358      
847-995 A Schaumburg IL 9329 AMERITECH ILLINOIS 358      

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

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