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: RLMDILAGDS1

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
630-283 A Roselle IL 7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
630-503 A Elgin IL 7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
630-504 A Bartlett IL 7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
630-919 A Bensenville IL 7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
847-245 A Lake Villa IL 7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
847-893 A Bartlett IL 7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
847-947 A Wheeling IL 7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
847-978 A Fox Lake IL 7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      

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

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