Local Calling Guide

Area code/prefix search

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

NXX: 231

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
779-231 A Joliet IL EGVGILIFDS0  7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL 358      
779-231 0 Joliet IL   7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL 358   2016-02-04   
779-231 1 Joliet IL   7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL 358   2016-02-04   
779-231 2 Joliet IL   7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL 358   2016-02-04   
779-231 3 Joliet IL   7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL 358   2016-02-04   
779-231 4 Joliet IL   7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL 358   2016-02-04   
779-231 5 Joliet IL   7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL 358   2016-02-04   
779-231 6 Joliet IL   7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL 358   2016-02-04   
779-231 7 Joliet IL   7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL 358   2016-02-04   
779-231 8 Joliet IL   7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL 358   2016-02-04   
779-231 9 Joliet IL   7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL 358   2016-02-04   

Last updated: Fri, 25 Jul 2025 03:21:23 UTC

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