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
312-383 4 Chicago Zone 01-Calumet IL   5562 METRO PCS, INC. 358   2016-03-09   
312-383 5 Chicago Zone 01-Calumet IL   7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358   2016-03-02   
312-383 6 Chicago Zone 01-Calumet IL   7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358   2016-03-02   
312-383 7 Chicago Zone 01-Calumet IL   6529 T-MOBILE USA, INC. 358   2016-04-09   
312-383 8 Chicago Zone 01-Calumet IL   6529 T-MOBILE USA, INC. 358   2016-04-09   
312-383 9 Chicago Zone 01-Calumet IL   6529 T-MOBILE USA, INC. 358   2016-04-09   
312-384 A Chicago Zone 01-Franklin IL CHCGILFRDS1  9329 AMERITECH ILLINOIS 358      
312-384 0 Chicago Zone 01-Franklin IL   6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2011-01-14   
312-384 1 Chicago Zone 01-Franklin IL   9329 AMERITECH ILLINOIS 358      
312-384 2 Chicago Zone 01-Franklin IL   9329 AMERITECH ILLINOIS 358      
312-384 3 Chicago Zone 01-Franklin IL   9329 AMERITECH ILLINOIS 358      
312-384 4 Chicago Zone 01-Franklin IL   9329 AMERITECH ILLINOIS 358      
312-384 5 Chicago Zone 01-Franklin IL   9329 AMERITECH ILLINOIS 358      
312-384 6 Chicago Zone 01-Franklin IL   9329 AMERITECH ILLINOIS 358      
312-384 7 Chicago Zone 01-Franklin IL   9329 AMERITECH ILLINOIS 358      
312-384 8 Chicago Zone 01-Franklin IL   9329 AMERITECH ILLINOIS 358      
312-384 9 Chicago Zone 01-Franklin IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2011-06-23   
312-385 A Chicago Zone 01-Wabash IL CHCGILWBDS0  9329 AMERITECH ILLINOIS 358      
312-385 0 Chicago Zone 01-Wabash IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2011-06-23   
312-385 1 Chicago Zone 01-Wabash IL   9329 AMERITECH ILLINOIS 358      
312-385 2 Chicago Zone 01-Wabash IL   9329 AMERITECH ILLINOIS 358      
312-385 3 Chicago Zone 01-Wabash IL   9329 AMERITECH ILLINOIS 358      
312-385 4 Chicago Zone 01-Wabash IL   9329 AMERITECH ILLINOIS 358      
312-385 5 Chicago Zone 01-Wabash IL   9329 AMERITECH ILLINOIS 358      
312-385 6 Chicago Zone 01-Wabash IL   9329 AMERITECH ILLINOIS 358      
312-385 7 Chicago Zone 01-Wabash IL   9329 AMERITECH ILLINOIS 358      
312-385 8 Chicago Zone 01-Wabash IL   9329 AMERITECH ILLINOIS 358      
312-385 9 Chicago Zone 01-Wabash IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2011-06-23   
312-386 A Chicago Zone 01-Wabash IL CHCGILWBDS2  9329 AMERITECH ILLINOIS 358      
312-386 0 Chicago Zone 01-Wabash IL   6664 SPRINT SPECTRUM L.P. 358   2007-09-13   
312-386 1 Chicago Zone 01-Wabash IL   9329 AMERITECH ILLINOIS 358      
312-386 2 Chicago Zone 01-Wabash IL   9329 AMERITECH ILLINOIS 358      
312-386 3 Chicago Zone 01-Wabash IL   9329 AMERITECH ILLINOIS 358      
312-386 4 Chicago Zone 01-Wabash IL   9329 AMERITECH ILLINOIS 358      
312-386 5 Chicago Zone 01-Wabash IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2011-08-06   
312-386 6 Chicago Zone 01-Wabash IL   5917 FIRST COMMUNICATIONS, LLC 358   2011-07-08   
312-386 7 Chicago Zone 01-Wabash IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2007-09-26   
312-386 8 Chicago Zone 01-Wabash IL   4604 FIRST COMMUNICATIONS LLC - IL 358   2005-08-19   
312-386 9 Chicago Zone 01-Wabash IL   9329 AMERITECH ILLINOIS 358      
312-387 A Chicago Zone 01-Wabash IL BURGILAJCM1  6630 USA MOBILITY WIRELESS, INC. 358      
312-388 A Chicago Zone 01-Calumet IL   6664 SPRINT SPECTRUM L.P. 358      
312-389 A Chicago Zone 01-Wabash IL BURGILAJCM1  6630 USA MOBILITY WIRELESS, INC. 358      
312-390 A Chicago Zone 01-Wabash IL CHCGILBWCM2  9748 AMERICAN MESSAGING SERVICES, LLC 358      
312-391 A Chicago Zone 01-Wabash IL BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
312-392 A Chicago Zone 01-Calumet IL   224C ONVOY, LLC 358      
312-392 0 Chicago Zone 01-Calumet IL   197D VONAGE NETWORK INC. 358   2017-12-11   
312-392 1 Chicago Zone 01-Calumet IL   224C ONVOY, LLC 358   2017-11-22   
312-392 2 Chicago Zone 01-Calumet IL   7607 COMCAST PHONE OF ILLINOIS, LLC DBA COMCO - IL 358   2018-06-27   
312-392 3 Chicago Zone 01-Calumet IL   7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358   2017-12-21   
312-392 4 Chicago Zone 01-Calumet IL   224C ONVOY, LLC 358   2018-01-05   

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

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