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: WNVLILWVDS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
630-393 A Warrenville IL 9329 ILLINOIS BELL TEL CO 358      
630-393 0 Warrenville IL 9329 ILLINOIS BELL TEL CO 358      
630-393 1 Warrenville IL 9329 ILLINOIS BELL TEL CO 358      
630-393 2 Warrenville IL 9329 ILLINOIS BELL TEL CO 358      
630-393 3 Warrenville IL 9329 ILLINOIS BELL TEL CO 358      
630-393 4 Warrenville IL 9329 ILLINOIS BELL TEL CO 358      
630-393 5 Warrenville IL 9329 ILLINOIS BELL TEL CO 358      
630-393 6 Warrenville IL 9329 ILLINOIS BELL TEL CO 358      
630-393 7 Warrenville IL 9329 ILLINOIS BELL TEL CO 358      
630-393 9 Warrenville IL 9329 ILLINOIS BELL TEL CO 358      
630-657 2 Warrenville IL 9329 ILLINOIS BELL TEL CO 358      
630-657 3 Warrenville IL 9329 ILLINOIS BELL TEL CO 358      
630-657 4 Warrenville IL 9329 ILLINOIS BELL TEL CO 358      
630-821 7 Warrenville IL 9329 ILLINOIS BELL TEL CO 358      
630-836 A Warrenville IL 9329 ILLINOIS BELL TEL CO 358      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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