Local Calling Guide

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Search area code/prefix (NPA/NXX)
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NPA: 312 [Rate centres in NPA 312] [Dial plan for NPA 312]

NXX: 887

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
312-887 A Chicago Zone 01-Canal IL CHCGILCLDS0  9329 ILLINOIS BELL TEL CO 358      
312-887 0 Chicago Zone 01-Canal IL CHCGILMF6MD  6529 T-MOBILE USA, INC. 358   2011-02-24   
312-887 1 Chicago Zone 01-Canal IL BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2015-02-07   
312-887 2 Chicago Zone 01-Canal IL BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2015-02-07   
312-887 3 Chicago Zone 01-Canal IL CHCGILCLDS0  9329 ILLINOIS BELL TEL CO 358      
312-887 4 Chicago Zone 01-Canal IL CHCGILCLDS0  9329 ILLINOIS BELL TEL CO 358      
312-887 5 Chicago Zone 01-Canal IL CHCGILCLDS0  9329 ILLINOIS BELL TEL CO 358      
312-887 6 Chicago Zone 01-Canal IL CHCGILCLDS0  9329 ILLINOIS BELL TEL CO 358      
312-887 7 Chicago Zone 01-Canal IL CHCGILCLDS0  9329 ILLINOIS BELL TEL CO 358      
312-887 8 Chicago Zone 01-Canal IL CHCGILCLDS0  9329 ILLINOIS BELL TEL CO 358      
312-887 9 Chicago Zone 01-Canal IL CHCGILMF6MD  6529 T-MOBILE USA, INC. 358   2011-02-24   

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

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