Local Calling Guide

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

NXX: 922

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
773-922 A Chicago Zone 05-Austin IL CHCGILCNDS1  8709 GLOBAL CROSSING LOCAL SERVICES, INC. - IL 358      
773-922 0 Chicago Zone 05-Austin IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2020-08-09   
773-922 1 Chicago Zone 05-Austin IL CHCGILCNDS1  8709 GLOBAL CROSSING LOCAL SERVICES, INC. - IL 358      
773-922 2 Chicago Zone 05-Austin IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2025-02-11   
773-922 3 Chicago Zone 05-Austin IL CHCGILIDXDX  624H ONVOY SPECTRUM, LLC 358   2022-01-07   
773-922 4 Chicago Zone 05-Austin IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2011-08-06   
773-922 5 Chicago Zone 05-Austin IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2025-02-11   
773-922 6 Chicago Zone 05-Austin IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2009-07-01   
773-922 7 Chicago Zone 05-Austin IL CHCGILDTKMD  5447 ACCESS ONE, INC. - IL 358   2006-01-20   
773-922 8 Chicago Zone 05-Austin IL CHCGILCNDS1  8709 GLOBAL CROSSING LOCAL SERVICES, INC. - IL 358      
773-922 9 Chicago Zone 05-Austin IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      

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

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