Local Calling Guide

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NPA: 773 [Rate centres in NPA 773] [Dial plan for NPA 773]

NXX: 231

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
773-231 A Chicago Zone 07-Stewart IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
773-231 0 Chicago Zone 07-Stewart IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2012-07-03   
773-231 1 Chicago Zone 07-Stewart IL   400G CLEAR RATE COMMUNICATIONS, INC. - IL 358   2012-07-03   
773-231 2 Chicago Zone 07-Stewart IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2011-11-08   
773-231 3 Chicago Zone 07-Stewart IL ELGNILOT0MD  6529 T-MOBILE USA, INC. 358   2011-11-08   
773-231 4 Chicago Zone 07-Stewart IL ELGNILOT0MD  6529 T-MOBILE USA, INC. 358   2011-11-08   
773-231 5 Chicago Zone 07-Stewart IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2012-03-04   
773-231 6 Chicago Zone 07-Stewart IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2012-03-22   
773-231 7 Chicago Zone 07-Stewart IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2012-03-22   
773-231 8 Chicago Zone 07-Stewart IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2012-04-22   
773-231 9 Chicago Zone 07-Stewart IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2012-04-22   

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

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