Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 773 [Rate centres in NPA 773] [Dial plan for NPA 773]

NXX: 990

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
773-990 A Chicago Zone 03-Kildare IL CHCGILNEDS0  9329 ILLINOIS BELL TEL CO 358      
773-990 0 Chicago Zone 03-Kildare IL CHCGILMF3MD  6529 T-MOBILE USA, INC. 358   2006-06-27   
773-990 1 Chicago Zone 03-Kildare IL CHCGILNEDS0  9329 ILLINOIS BELL TEL CO 358   2006-04-19   
773-990 2 Chicago Zone 03-Kildare IL CHCGILNEDS0  9329 ILLINOIS BELL TEL CO 358   2006-04-19   
773-990 3 Chicago Zone 03-Kildare IL CHCGILNEDS0  9329 ILLINOIS BELL TEL CO 358   2006-04-19   
773-990 4 Chicago Zone 03-Kildare IL CHCGILNEDS0  9329 ILLINOIS BELL TEL CO 358   2006-04-19   
773-990 5 Chicago Zone 03-Kildare IL CHCGILNEDS0  9329 ILLINOIS BELL TEL CO 358   2006-04-19   
773-990 6 Chicago Zone 03-Kildare IL CHCGILNEDS0  9329 ILLINOIS BELL TEL CO 358   2006-04-19   
773-990 7 Chicago Zone 03-Kildare IL CHCGILNEDS0  9329 ILLINOIS BELL TEL CO 358   2006-04-19   
773-990 8 Chicago Zone 03-Kildare IL CHCGILNEDS0  9329 ILLINOIS BELL TEL CO 358   2006-04-19   
773-990 9 Chicago Zone 03-Kildare IL CHCGILMF3MD  6529 T-MOBILE USA, INC. 358   2006-06-27   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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