Local Calling Guide

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

NXX: 912

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
773-912 A Chicago Zone 08-Portsmouth IL CHCGILCNDS1  8709 GLOBAL CROSSING LOCAL SERVICES, INC. - IL 358      
773-912 0 Chicago Zone 08-Portsmouth IL CHCGILWUDS4  063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 358   2020-04-11   
773-912 1 Chicago Zone 08-Portsmouth IL CHCGILCNDS1  8709 GLOBAL CROSSING LOCAL SERVICES, INC. - IL 358      
773-912 2 Chicago Zone 08-Portsmouth IL CHCGILCNDS1  8709 GLOBAL CROSSING LOCAL SERVICES, INC. - IL 358      
773-912 3 Chicago Zone 08-Portsmouth IL ELGNILOT0MD  6529 T-MOBILE USA, INC. 358   2007-03-19   
773-912 4 Chicago Zone 08-Portsmouth IL CHCGILACGT0  8702 RCN TELECOM SERVICES OF ILLINIOS, INC. - IL 358   2004-10-01   
773-912 5 Chicago Zone 08-Portsmouth IL CHCGILCNDS1  8709 GLOBAL CROSSING LOCAL SERVICES, INC. - IL 358      
773-912 6 Chicago Zone 08-Portsmouth IL CHCGILCLXOX  516C AT&T CORP. 358   2006-07-07   
773-912 7 Chicago Zone 08-Portsmouth IL ELGNILOT0MD  6529 T-MOBILE USA, INC. 358   2007-03-19   
773-912 8 Chicago Zone 08-Portsmouth IL CHCGILCNDS1  8709 GLOBAL CROSSING LOCAL SERVICES, INC. - IL 358      
773-912 9 Chicago Zone 08-Portsmouth IL CHCGILCNDS1  8709 GLOBAL CROSSING LOCAL SERVICES, INC. - IL 358      

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

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