Local Calling Guide

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NPA: 312 [Rate centres in NPA 312] [Dial plan for NPA 312]

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
312-878 3 Chicago Zone 01-Calumet IL   063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 358   2008-03-27   
312-878 4 Chicago Zone 01-Calumet IL   063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 358   2008-03-27   
312-878 5 Chicago Zone 01-Calumet IL   063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 358   2008-03-27   
312-878 6 Chicago Zone 01-Calumet IL   063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 358   2008-03-27   
312-878 7 Chicago Zone 01-Calumet IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2008-06-12   
312-878 8 Chicago Zone 01-Calumet IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2008-06-12   
312-878 9 Chicago Zone 01-Calumet IL   063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 358   2008-05-10   
312-879 A Chicago Zone 01-Canal IL CHCGILCLDS0  9329 AMERITECH ILLINOIS 358      
312-879 0 Chicago Zone 01-Canal IL   9329 AMERITECH ILLINOIS 358      
312-879 1 Chicago Zone 01-Canal IL   9329 AMERITECH ILLINOIS 358      
312-879 2 Chicago Zone 01-Canal IL   9329 AMERITECH ILLINOIS 358      
312-879 3 Chicago Zone 01-Canal IL   9329 AMERITECH ILLINOIS 358      
312-879 4 Chicago Zone 01-Canal IL   9329 AMERITECH ILLINOIS 358      
312-879 5 Chicago Zone 01-Canal IL   9329 AMERITECH ILLINOIS 358      
312-879 6 Chicago Zone 01-Canal IL   9329 AMERITECH ILLINOIS 358      
312-879 7 Chicago Zone 01-Canal IL   9329 AMERITECH ILLINOIS 358      
312-879 8 Chicago Zone 01-Canal IL   9329 AMERITECH ILLINOIS 358      
312-879 9 Chicago Zone 01-Canal IL   984E BANDWIDTH.COM CLEC, LLC - IL 358   2012-01-13   
312-880 A Chicago Zone 01-Wabash IL CHCGILWBDS2  9329 AMERITECH ILLINOIS 358      
312-880 0 Chicago Zone 01-Wabash IL   9329 AMERITECH ILLINOIS 358      
312-880 1 Chicago Zone 01-Wabash IL   4604 FIRST COMMUNICATIONS LLC - IL 358   2011-06-20   
312-880 2 Chicago Zone 01-Wabash IL   9329 AMERITECH ILLINOIS 358      
312-880 3 Chicago Zone 01-Wabash IL   9329 AMERITECH ILLINOIS 358      
312-880 4 Chicago Zone 01-Wabash IL   7765 OVATION COMMUNICATIONS OF ILLINOIS, INC. 358   2008-11-14   
312-880 5 Chicago Zone 01-Wabash IL   9329 AMERITECH ILLINOIS 358      
312-880 6 Chicago Zone 01-Wabash IL   9329 AMERITECH ILLINOIS 358      
312-880 7 Chicago Zone 01-Wabash IL   984E BANDWIDTH.COM CLEC, LLC - IL 358   2010-03-04   
312-880 8 Chicago Zone 01-Wabash IL   6664 SPRINT SPECTRUM L.P. 358   2010-11-08   
312-880 9 Chicago Zone 01-Wabash IL   984E BANDWIDTH.COM CLEC, LLC - IL 358   2010-03-04   
312-881 A Chicago Zone 01-Canal IL CHCGILWUDS0  7765 OVATION COMMUNICATIONS OF ILLINOIS, INC. 358      
312-881 0 Chicago Zone 01-Canal IL   6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2016-12-16   
312-881 1 Chicago Zone 01-Canal IL   7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358   2001-08-16   
312-881 2 Chicago Zone 01-Canal IL   7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358   2000-05-19   
312-881 3 Chicago Zone 01-Canal IL   9329 AMERITECH ILLINOIS 358   2002-06-04   
312-881 4 Chicago Zone 01-Canal IL   7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358   2000-05-19   
312-881 5 Chicago Zone 01-Canal IL   7765 OVATION COMMUNICATIONS OF ILLINOIS, INC. 358      
312-881 6 Chicago Zone 01-Canal IL   7721 BROADWING COMMUNICATIONS, LLC - IL 358   2001-12-26   
312-881 7 Chicago Zone 01-Canal IL   7721 BROADWING COMMUNICATIONS, LLC - IL 358   2000-07-20   
312-881 8 Chicago Zone 01-Canal IL   7721 BROADWING COMMUNICATIONS, LLC - IL 358   2000-07-20   
312-881 9 Chicago Zone 01-Canal IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2011-08-07   
312-882 A Chicago Zone 01-Wabash IL ELGNIL32CM2  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
312-883 A Chicago Zone 01-Calumet IL   984E BANDWIDTH.COM CLEC, LLC - IL 358      
312-883 0 Chicago Zone 01-Calumet IL   984E BANDWIDTH.COM CLEC, LLC - IL 358   2015-01-11   
312-883 1 Chicago Zone 01-Calumet IL   984E BANDWIDTH.COM CLEC, LLC - IL 358   2015-01-11   
312-883 2 Chicago Zone 01-Calumet IL   984E BANDWIDTH.COM CLEC, LLC - IL 358   2015-01-11   
312-883 3 Chicago Zone 01-Calumet IL   984E BANDWIDTH.COM CLEC, LLC - IL 358   2015-01-11   
312-883 4 Chicago Zone 01-Calumet IL   984E BANDWIDTH.COM CLEC, LLC - IL 358   2015-01-11   
312-883 5 Chicago Zone 01-Calumet IL   984E BANDWIDTH.COM CLEC, LLC - IL 358   2015-01-11   
312-883 6 Chicago Zone 01-Calumet IL   984E BANDWIDTH.COM CLEC, LLC - IL 358   2015-01-11   
312-883 7 Chicago Zone 01-Calumet IL   984E BANDWIDTH.COM CLEC, LLC - IL 358   2015-01-11   

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Last updated: Sun, 10 Nov 2019 13:49:34 UTC

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