Local Calling Guide

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

NXX: 754

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
312-754 A Chicago Zone 01-Calumet IL CHCGILCPDS9  138G LEVEL 3 TELECOM OF ILLINOIS, LLC - IL 358      
312-754 0 Chicago Zone 01-Calumet IL CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358   2013-09-18   
312-754 1 Chicago Zone 01-Calumet IL CHCGIL24DS6  224C ONVOY, LLC 358   2013-04-26   
312-754 2 Chicago Zone 01-Calumet IL CHCGILCPDS9  138G LEVEL 3 TELECOM OF ILLINOIS, LLC - IL 358   2013-04-25   
312-754 3 Chicago Zone 01-Calumet IL CHCGILCLDS7  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358   2013-06-24   
312-754 4 Chicago Zone 01-Calumet IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2013-08-03   
312-754 5 Chicago Zone 01-Calumet IL CHCGILMF4MD  5562 METROPCS, INC. 358   2013-04-26   
312-754 6 Chicago Zone 01-Calumet IL CHCGILWUX1X  7765 OVATION COMMUNICATIONS OF ILLINOIS, INC. 358   2014-01-21   
312-754 7 Chicago Zone 01-Calumet IL CHCGILWUX1X  7765 OVATION COMMUNICATIONS OF ILLINOIS, INC. 358   2014-01-21   
312-754 8 Chicago Zone 01-Calumet IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2014-02-06   
312-754 9 Chicago Zone 01-Calumet IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2014-02-06   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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