Local Calling Guide

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

NXX: 906

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
773-906 A Chicago Zone 11-O'Hare IL CHCGILCNDS1  8709 GLOBAL CROSSING LOCAL SERVICES, INC. - IL 358      
773-906 1 Chicago Zone 11-O'Hare IL CHCGILCNDS1  8709 GLOBAL CROSSING LOCAL SERVICES, INC. - IL 358      
773-906 2 Chicago Zone 11-O'Hare IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
773-906 3 Chicago Zone 11-O'Hare IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2015-05-16   
773-906 4 Chicago Zone 11-O'Hare IL CHCGIL24DS6  224C ONVOY, LLC 358   2015-07-27   
773-906 5 Chicago Zone 11-O'Hare IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
773-906 6 Chicago Zone 11-O'Hare IL CHCGILIDXDX  624H ONVOY SPECTRUM, LLC 358   2022-01-07   
773-906 7 Chicago Zone 11-O'Hare IL CHCGIL24DS6  224C ONVOY, LLC 358   2020-02-24   
773-906 8 Chicago Zone 11-O'Hare IL CHCGILWUDS4  063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 358   2013-04-27   
773-906 9 Chicago Zone 11-O'Hare IL CHCGILWUDS4  063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 358   2013-04-27   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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