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: CHCGILKIDS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
773-202 A Chicago Zone 03-Kildare IL 9329 ILLINOIS BELL TEL CO 358      
773-202 0 Chicago Zone 03-Kildare IL 9329 ILLINOIS BELL TEL CO 358      
773-202 1 Chicago Zone 03-Kildare IL 9329 ILLINOIS BELL TEL CO 358      
773-202 2 Chicago Zone 03-Kildare IL 9329 ILLINOIS BELL TEL CO 358      
773-202 3 Chicago Zone 03-Kildare IL 9329 ILLINOIS BELL TEL CO 358      
773-202 4 Chicago Zone 03-Kildare IL 9329 ILLINOIS BELL TEL CO 358      
773-202 5 Chicago Zone 03-Kildare IL 9329 ILLINOIS BELL TEL CO 358      
773-202 7 Chicago Zone 03-Kildare IL 9329 ILLINOIS BELL TEL CO 358      
773-202 8 Chicago Zone 03-Kildare IL 9329 ILLINOIS BELL TEL CO 358      
773-202 9 Chicago Zone 03-Kildare IL 9329 ILLINOIS BELL TEL CO 358      
773-205 A Chicago Zone 03-Kildare IL 9329 ILLINOIS BELL TEL CO 358      
773-205 0 Chicago Zone 03-Kildare IL 9329 ILLINOIS BELL TEL CO 358      
773-205 1 Chicago Zone 03-Kildare IL 9329 ILLINOIS BELL TEL CO 358      
773-205 2 Chicago Zone 03-Kildare IL 9329 ILLINOIS BELL TEL CO 358      
773-205 3 Chicago Zone 03-Kildare IL 9329 ILLINOIS BELL TEL CO 358      
773-205 4 Chicago Zone 03-Kildare IL 9329 ILLINOIS BELL TEL CO 358      
773-205 5 Chicago Zone 03-Kildare IL 9329 ILLINOIS BELL TEL CO 358      
773-205 6 Chicago Zone 03-Kildare IL 9329 ILLINOIS BELL TEL CO 358      
773-205 8 Chicago Zone 03-Kildare IL 9329 ILLINOIS BELL TEL CO 358      
773-205 9 Chicago Zone 03-Kildare IL 9329 ILLINOIS BELL TEL CO 358      
773-282 A Chicago Zone 03-Kildare IL 9329 ILLINOIS BELL TEL CO 358      
773-283 A Chicago Zone 03-Kildare IL 9329 ILLINOIS BELL TEL CO 358      
773-286 A Chicago Zone 03-Kildare IL 9329 ILLINOIS BELL TEL CO 358      
773-427 A Chicago Zone 03-Kildare IL 9329 ILLINOIS BELL TEL CO 358      
773-427 0 Chicago Zone 03-Kildare IL 9329 ILLINOIS BELL TEL CO 358      
773-427 1 Chicago Zone 03-Kildare IL 9329 ILLINOIS BELL TEL CO 358      
773-427 2 Chicago Zone 03-Kildare IL 9329 ILLINOIS BELL TEL CO 358      
773-427 3 Chicago Zone 03-Kildare IL 9329 ILLINOIS BELL TEL CO 358      
773-427 4 Chicago Zone 03-Kildare IL 9329 ILLINOIS BELL TEL CO 358      
773-427 5 Chicago Zone 03-Kildare IL 9329 ILLINOIS BELL TEL CO 358      
773-427 6 Chicago Zone 03-Kildare IL 9329 ILLINOIS BELL TEL CO 358      
773-427 7 Chicago Zone 03-Kildare IL 9329 ILLINOIS BELL TEL CO 358      
773-427 9 Chicago Zone 03-Kildare IL 9329 ILLINOIS BELL TEL CO 358      
773-481 A Chicago Zone 03-Kildare IL 9329 ILLINOIS BELL TEL CO 358      
773-545 A Chicago Zone 03-Kildare IL 9329 ILLINOIS BELL TEL CO 358      
773-685 A Chicago Zone 03-Kildare IL 9329 ILLINOIS BELL TEL CO 358      
773-725 A Chicago Zone 03-Kildare IL 9329 ILLINOIS BELL TEL CO 358      
773-736 A Chicago Zone 03-Kildare IL 9329 ILLINOIS BELL TEL CO 358      
773-777 A Chicago Zone 03-Kildare IL 9329 ILLINOIS BELL TEL CO 358      
773-794 A Chicago Zone 03-Kildare IL 9329 ILLINOIS BELL TEL CO 358      
773-794 0 Chicago Zone 03-Kildare IL 9329 ILLINOIS BELL TEL CO 358      
773-794 1 Chicago Zone 03-Kildare IL 9329 ILLINOIS BELL TEL CO 358      
773-794 3 Chicago Zone 03-Kildare IL 9329 ILLINOIS BELL TEL CO 358      
773-794 4 Chicago Zone 03-Kildare IL 9329 ILLINOIS BELL TEL CO 358      
773-794 5 Chicago Zone 03-Kildare IL 9329 ILLINOIS BELL TEL CO 358      
773-794 6 Chicago Zone 03-Kildare IL 9329 ILLINOIS BELL TEL CO 358      
773-794 7 Chicago Zone 03-Kildare IL 9329 ILLINOIS BELL TEL CO 358      
773-794 8 Chicago Zone 03-Kildare IL 9329 ILLINOIS BELL TEL CO 358      
773-794 9 Chicago Zone 03-Kildare IL 9329 ILLINOIS BELL TEL CO 358      

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

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