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: SCPKILSPRS3

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
773-462 A Chicago Zone 11-O'Hare IL 9329 ILLINOIS BELL TEL CO 358   2024-02-17   
773-462 0 Chicago Zone 11-O'Hare IL 9329 ILLINOIS BELL TEL CO 358      
773-462 1 Chicago Zone 11-O'Hare IL 9329 ILLINOIS BELL TEL CO 358      
773-462 2 Chicago Zone 11-O'Hare IL 9329 ILLINOIS BELL TEL CO 358      
773-462 3 Chicago Zone 11-O'Hare IL 9329 ILLINOIS BELL TEL CO 358      
773-462 5 Chicago Zone 11-O'Hare IL 9329 ILLINOIS BELL TEL CO 358      
773-462 6 Chicago Zone 11-O'Hare IL 9329 ILLINOIS BELL TEL CO 358      
773-462 7 Chicago Zone 11-O'Hare IL 9329 ILLINOIS BELL TEL CO 358      
773-462 8 Chicago Zone 11-O'Hare IL 9329 ILLINOIS BELL TEL CO 358      
773-462 9 Chicago Zone 11-O'Hare IL 9329 ILLINOIS BELL TEL CO 358      
773-601 A Chicago Zone 11-O'Hare IL 9329 ILLINOIS BELL TEL CO 358   2024-02-17   
773-686 A Chicago Zone 11-O'Hare IL 9329 ILLINOIS BELL TEL CO 358   2024-02-17   
773-894 A Chicago Zone 11-O'Hare IL 9329 ILLINOIS BELL TEL CO 358   2024-02-17   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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