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
312-610 0 Chicago Zone 01-Calumet IL   6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2012-10-01   
312-610 1 Chicago Zone 01-Calumet IL   057H LOCAL ACCESS LLC - IL 358   2013-06-10   
312-610 2 Chicago Zone 01-Calumet IL   6529 T-MOBILE USA, INC. 358   2013-06-10   
312-610 3 Chicago Zone 01-Calumet IL   6529 T-MOBILE USA, INC. 358   2013-06-10   
312-610 4 Chicago Zone 01-Calumet IL   7056 XO ILLINOIS, INC. 358   2012-10-02   
312-610 5 Chicago Zone 01-Calumet IL   7056 XO ILLINOIS, INC. 358   2012-10-02   
312-610 6 Chicago Zone 01-Calumet IL   7056 XO ILLINOIS, INC. 358   2012-10-02   
312-610 7 Chicago Zone 01-Calumet IL   7056 XO ILLINOIS, INC. 358   2012-10-02   
312-610 8 Chicago Zone 01-Calumet IL   7196 MCI WORLDCOM COMMUNICATIONS, INC. - IL 358   2012-10-02   
312-610 9 Chicago Zone 01-Calumet IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2012-11-18   
312-612 A Chicago Zone 01-Canal IL CHCGILCLDS3  9329 AMERITECH ILLINOIS 358      
312-612 0 Chicago Zone 01-Canal IL   984E BANDWIDTH.COM CLEC, LLC - IL 358   2010-03-04   
312-612 1 Chicago Zone 01-Canal IL   7721 BROADWING COMMUNICATIONS, LLC - IL 358   2000-09-28   
312-612 2 Chicago Zone 01-Canal IL   7721 BROADWING COMMUNICATIONS, LLC - IL 358   2000-09-28   
312-612 3 Chicago Zone 01-Canal IL   9329 AMERITECH ILLINOIS 358      
312-612 4 Chicago Zone 01-Canal IL   9329 AMERITECH ILLINOIS 358      
312-612 5 Chicago Zone 01-Canal IL   9329 AMERITECH ILLINOIS 358      
312-612 6 Chicago Zone 01-Canal IL   9329 AMERITECH ILLINOIS 358   2000-10-24   
312-612 7 Chicago Zone 01-Canal IL   9329 AMERITECH ILLINOIS 358   2000-10-24   
312-612 8 Chicago Zone 01-Canal IL   9329 AMERITECH ILLINOIS 358   2000-10-24   
312-612 9 Chicago Zone 01-Canal IL   984E BANDWIDTH.COM CLEC, LLC - IL 358   2010-03-04   
312-613 A Chicago Zone 01-Wabash IL BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
312-614 A Chicago Zone 01-Calumet IL CHCGILCLDS3  9329 AMERITECH ILLINOIS 358   2012-11-18   
312-614 0 Chicago Zone 01-Calumet IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2012-12-14   
312-614 1 Chicago Zone 01-Calumet IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2012-12-14   
312-614 2 Chicago Zone 01-Calumet IL   7056 XO ILLINOIS, INC. 358   2012-12-08   
312-614 3 Chicago Zone 01-Calumet IL   7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358   2012-11-23   
312-614 4 Chicago Zone 01-Calumet IL   7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358   2012-11-23   
312-614 5 Chicago Zone 01-Calumet IL   7056 XO ILLINOIS, INC. 358   2012-12-08   
312-614 6 Chicago Zone 01-Calumet IL   9329 AMERITECH ILLINOIS 358   2012-11-18   
312-614 7 Chicago Zone 01-Calumet IL   9329 AMERITECH ILLINOIS 358   2012-11-18   
312-614 8 Chicago Zone 01-Calumet IL   9329 AMERITECH ILLINOIS 358   2012-11-18   
312-614 9 Chicago Zone 01-Calumet IL   6529 T-MOBILE USA, INC. 358   2012-11-28   
312-615 A Wheeling IL SCBGILRRGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
312-615 6 Wheeling IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
312-616 A Chicago Zone 01-Lakeshore IL CHCGILLRDS0  9329 AMERITECH ILLINOIS 358      
312-617 A Chicago Zone 01-Calumet IL   6664 SPRINT SPECTRUM L.P. 358      
312-618 A Chicago Zone 01-Wabash IL BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
312-619 A Chicago Zone 01-Calumet IL CHCGILMFCM6  6529 T-MOBILE USA, INC. 358   2012-10-26   
312-619 0 Chicago Zone 01-Calumet IL   6529 T-MOBILE USA, INC. 358   2012-10-26   
312-619 1 Chicago Zone 01-Calumet IL   6529 T-MOBILE USA, INC. 358   2012-10-26   
312-619 2 Chicago Zone 01-Calumet IL   6529 T-MOBILE USA, INC. 358   2012-10-26   
312-619 3 Chicago Zone 01-Calumet IL   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358   2012-10-29   
312-619 4 Chicago Zone 01-Calumet IL   7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358   2012-11-04   
312-619 5 Chicago Zone 01-Calumet IL   7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358   2012-11-04   
312-619 6 Chicago Zone 01-Calumet IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2012-11-18   
312-619 7 Chicago Zone 01-Calumet IL   6529 T-MOBILE USA, INC. 358   2012-11-28   
312-619 8 Chicago Zone 01-Calumet IL   6529 T-MOBILE USA, INC. 358   2012-11-28   
312-619 9 Chicago Zone 01-Calumet IL   6529 T-MOBILE USA, INC. 358   2012-10-26   
312-620 A Chicago Zone 01-Calumet IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2012-10-13   

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

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