Local Calling Guide

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

NXX: 377

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
773-377 A Chicago Zone 11-O'Hare IL CHCGIL24DS0  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
773-377 0 Chicago Zone 11-O'Hare IL CHCGIL24DS0  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
773-377 1 Chicago Zone 11-O'Hare IL CHCGIL24DS0  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
773-377 2 Chicago Zone 11-O'Hare IL CHCGIL24DS0  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
773-377 3 Chicago Zone 11-O'Hare IL CHCGIL24DS6  224C ONVOY, LLC 358   2016-05-22   
773-377 4 Chicago Zone 11-O'Hare IL CHCGIL24DS6  224C ONVOY, LLC 358   2016-05-22   
773-377 5 Chicago Zone 11-O'Hare IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2011-01-01   
773-377 6 Chicago Zone 11-O'Hare IL OKBRILDODS0  259E YMAX COMMUNICATIONS CORP. - IL 358   2011-06-22   
773-377 7 Chicago Zone 11-O'Hare IL CHCGILDT8MD  508J CENTURYLINK COMMUNICATIONS, LLC 358   2014-02-21   
773-377 8 Chicago Zone 11-O'Hare IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2011-09-24   
773-377 9 Chicago Zone 11-O'Hare IL CHCGILWUDS4  063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 358   2016-10-13   

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

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