Local Calling Guide

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NPA: 779 [Rate centres in NPA 779] [Dial plan for NPA 779]

NXX: 233

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
779-233 A Joliet IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
779-233 0 Joliet IL   6529 T-MOBILE USA, INC. 358   2011-09-10   
779-233 1 Joliet IL   6529 T-MOBILE USA, INC. 358   2011-09-10   
779-233 2 Joliet IL   6529 T-MOBILE USA, INC. 358   2011-09-10   
779-233 3 Joliet IL   6529 T-MOBILE USA, INC. 358   2011-09-10   
779-233 4 Joliet IL   6529 T-MOBILE USA, INC. 358   2011-09-10   
779-233 5 Joliet IL   6529 T-MOBILE USA, INC. 358   2011-09-10   
779-233 6 Joliet IL   6529 T-MOBILE USA, INC. 358   2011-09-10   
779-233 7 Joliet IL   6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2012-07-31   
779-233 8 Joliet IL   6529 T-MOBILE USA, INC. 358   2011-09-10   
779-233 9 Joliet IL   6529 T-MOBILE USA, INC. 358   2011-09-04   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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