Local Calling Guide

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

NXX: 904

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
773-904 A Chicago Zone 04-Humboldt IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
773-904 0 Chicago Zone 04-Humboldt IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2008-07-18   
773-904 1 Chicago Zone 04-Humboldt IL CHCGIL24DS6  224C ONVOY, LLC 358   2009-03-19   
773-904 2 Chicago Zone 04-Humboldt IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2008-07-18   
773-904 3 Chicago Zone 04-Humboldt IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2014-05-19   
773-904 4 Chicago Zone 04-Humboldt IL CHCGIL24DS3  4604 FIRST COMMUNICATIONS, LLC - IL 358   2008-09-12   
773-904 5 Chicago Zone 04-Humboldt IL CHCGIL24DS3  4604 FIRST COMMUNICATIONS, LLC - IL 358   2008-08-17   
773-904 6 Chicago Zone 04-Humboldt IL CHCGILMF3MD  6529 T-MOBILE USA, INC. 358   2013-10-25   
773-904 7 Chicago Zone 04-Humboldt IL CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358   2008-12-12   
773-904 8 Chicago Zone 04-Humboldt IL CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358   2008-12-12   
773-904 9 Chicago Zone 04-Humboldt IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2012-01-22   

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

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