Local Calling Guide

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

NXX: 450

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
312-450 A Chicago Zone 01-Wabash IL BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
312-450 0 Chicago Zone 01-Wabash IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2011-09-20   
312-450 1 Chicago Zone 01-Wabash IL BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2009-01-06   
312-450 2 Chicago Zone 01-Wabash IL OKBRILDODS0  259E YMAX COMMUNICATIONS CORP. - IL 358   2009-09-04   
312-450 3 Chicago Zone 01-Wabash IL OKBRILDODS0  259E YMAX COMMUNICATIONS CORP. - IL 358   2009-09-04   
312-450 4 Chicago Zone 01-Wabash IL BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
312-450 5 Chicago Zone 01-Wabash IL BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
312-450 6 Chicago Zone 01-Wabash IL CHCGILWUX1X  4717 PAETEC COMMUNICATIONS, INC. - IL 358   2007-09-25   
312-450 7 Chicago Zone 01-Wabash IL OKBRILDODS0  259E YMAX COMMUNICATIONS CORP. - IL 358   2009-09-04   
312-450 8 Chicago Zone 01-Wabash IL CHCGILDTDS3  5447 ACCESS ONE, INC. - IL 358   2009-09-04   
312-450 9 Chicago Zone 01-Wabash IL BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2009-01-27   

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

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