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
312-846 7 Chicago Zone 01-Franklin IL   7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358   2001-06-12   
312-846 8 Chicago Zone 01-Franklin IL   7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358   2001-06-12   
312-846 9 Chicago Zone 01-Franklin IL   7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358   2001-06-12   
312-847 A Chicago Zone 01-Calumet IL   224C ONVOY, LLC 358   2019-08-30   
312-847 0 Chicago Zone 01-Calumet IL   224C ONVOY, LLC 358   2019-08-30   
312-847 1 Chicago Zone 01-Calumet IL   224C ONVOY, LLC 358   2019-08-30   
312-847 2 Chicago Zone 01-Calumet IL   224C ONVOY, LLC 358   2019-08-30   
312-847 3 Chicago Zone 01-Calumet IL   224C ONVOY, LLC 358   2019-08-30   
312-847 4 Chicago Zone 01-Calumet IL   224C ONVOY, LLC 358   2019-08-30   
312-847 5 Chicago Zone 01-Calumet IL   224C ONVOY, LLC 358   2019-08-30   
312-847 6 Chicago Zone 01-Calumet IL   224C ONVOY, LLC 358   2019-08-30   
312-847 7 Chicago Zone 01-Calumet IL   224C ONVOY, LLC 358   2019-08-30   
312-847 8 Chicago Zone 01-Calumet IL   224C ONVOY, LLC 358   2019-08-30   
312-847 9 Chicago Zone 01-Calumet IL   224C ONVOY, LLC 358   2019-08-30   
312-848 A Chicago Zone 01-Wabash IL ELGNIL32CM2  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
312-849 A Chicago Zone 01-Franklin IL CHCGILFRDS0  9329 AMERITECH ILLINOIS 358      
312-850 A Chicago Zone 01-Monroe IL CHCGILMODS0  9329 AMERITECH ILLINOIS 358      
312-851 A Chicago Zone 01-Wabash IL BURGILAJCM1  6630 USA MOBILITY WIRELESS, INC. 358      
312-852 A Chicago Zone 01-Wabash IL BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
312-852 0 Chicago Zone 01-Wabash IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
312-852 1 Chicago Zone 01-Wabash IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
312-852 2 Chicago Zone 01-Wabash IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
312-852 3 Chicago Zone 01-Wabash IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
312-852 4 Chicago Zone 01-Wabash IL   6664 SPRINT SPECTRUM L.P. 358   2011-02-24   
312-852 5 Chicago Zone 01-Wabash IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
312-852 6 Chicago Zone 01-Wabash IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
312-852 7 Chicago Zone 01-Wabash IL   6664 SPRINT SPECTRUM L.P. 358   2011-02-24   
312-852 8 Chicago Zone 01-Wabash IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
312-852 9 Chicago Zone 01-Wabash IL   6664 SPRINT SPECTRUM L.P. 358   2011-02-24   
312-853 A Chicago Zone 01-Franklin IL CHCGILFRDS4  9329 AMERITECH ILLINOIS 358      
312-854 A Chicago Zone 01-Franklin IL CHCGILACGT0  8702 RCN TELECOM SERVICES OF ILLINOIS, INC. - IL 358      
312-854 0 Chicago Zone 01-Franklin IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2008-07-02   
312-854 1 Chicago Zone 01-Franklin IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2008-07-02   
312-854 2 Chicago Zone 01-Franklin IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2008-07-02   
312-854 3 Chicago Zone 01-Franklin IL   8702 RCN TELECOM SERVICES OF ILLINOIS, INC. - IL 358      
312-854 4 Chicago Zone 01-Franklin IL   8702 RCN TELECOM SERVICES OF ILLINOIS, INC. - IL 358      
312-854 5 Chicago Zone 01-Franklin IL   8702 RCN TELECOM SERVICES OF ILLINOIS, INC. - IL 358      
312-854 6 Chicago Zone 01-Franklin IL   8702 RCN TELECOM SERVICES OF ILLINOIS, INC. - IL 358      
312-854 7 Chicago Zone 01-Franklin IL   2491 CBEYOND COMMUNICATIONS, LLC - IL 358   2008-07-21   
312-854 8 Chicago Zone 01-Franklin IL   2491 CBEYOND COMMUNICATIONS, LLC - IL 358   2008-07-21   
312-854 9 Chicago Zone 01-Franklin IL   984E BANDWIDTH.COM CLEC, LLC - IL 358   2010-03-04   
312-855 A Chicago Zone 01-Franklin IL CHCGILFRDS0  9329 AMERITECH ILLINOIS 358      
312-856 A Chicago Zone 01-Lakeshore IL CHCGILLRDS0  9329 AMERITECH ILLINOIS 358      
312-856 0 Chicago Zone 01-Lakeshore IL   9329 AMERITECH ILLINOIS 358      
312-856 1 Chicago Zone 01-Lakeshore IL   9329 AMERITECH ILLINOIS 358      
312-856 2 Chicago Zone 01-Lakeshore IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2015-01-03   
312-856 3 Chicago Zone 01-Lakeshore IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2015-01-03   
312-856 4 Chicago Zone 01-Lakeshore IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2015-01-03   
312-856 5 Chicago Zone 01-Lakeshore IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2015-01-03   
312-856 6 Chicago Zone 01-Lakeshore IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2015-01-03   

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Last updated: Tue, 31 Dec 2019 02:37:20 UTC

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