Local Calling Guide

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NPA: 312 [Rate centres in NPA 312] [Dial plan for NPA 312]

NXX: 880

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
312-880 A Chicago Zone 01-Wabash IL CHCGILWBDS2  9329 ILLINOIS BELL TEL CO 358      
312-880 0 Chicago Zone 01-Wabash IL CHCGILWBDS2  9329 ILLINOIS BELL TEL CO 358      
312-880 1 Chicago Zone 01-Wabash IL CHCGIL24DS3  4604 FIRST COMMUNICATIONS, LLC - IL 358   2011-06-20   
312-880 2 Chicago Zone 01-Wabash IL CHCGILWBDS2  9329 ILLINOIS BELL TEL CO 358      
312-880 3 Chicago Zone 01-Wabash IL CHCGILWBDS2  9329 ILLINOIS BELL TEL CO 358      
312-880 4 Chicago Zone 01-Wabash IL CHCGILWUX1X  7765 OVATION COMMUNICATIONS OF ILLINOIS, INC. 358   2008-11-14   
312-880 5 Chicago Zone 01-Wabash IL CHCGILWBDS2  9329 ILLINOIS BELL TEL CO 358      
312-880 6 Chicago Zone 01-Wabash IL CHCGILWBDS2  9329 ILLINOIS BELL TEL CO 358      
312-880 7 Chicago Zone 01-Wabash IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2010-03-04   
312-880 8 Chicago Zone 01-Wabash IL CHCGILMF6MD  6529 T-MOBILE USA, INC. 358   2010-11-08   
312-880 9 Chicago Zone 01-Wabash IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2010-03-04   

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

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