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
312-351 A Chicago Zone 01-Wabash IL BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
312-351 0 Chicago Zone 01-Wabash IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
312-351 1 Chicago Zone 01-Wabash IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
312-351 2 Chicago Zone 01-Wabash IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
312-351 3 Chicago Zone 01-Wabash IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
312-351 4 Chicago Zone 01-Wabash IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
312-351 5 Chicago Zone 01-Wabash IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
312-351 6 Chicago Zone 01-Wabash IL   7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358   2010-04-12   
312-351 7 Chicago Zone 01-Wabash IL   7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358   2010-04-12   
312-351 8 Chicago Zone 01-Wabash IL   7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358   2010-04-12   
312-351 9 Chicago Zone 01-Wabash IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2011-06-23   
312-352 A Hinsdale IL BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
312-352 0 Hinsdale IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
312-353 A Chicago Zone 01-Wabash IL CHCGILWBDS0  9329 AMERITECH ILLINOIS 358      
312-354 A Schaumburg IL SCBGILRRGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
312-354 0 Schaumburg IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
312-354 9 Schaumburg IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
312-355 A Chicago Zone 01-Monroe IL CHCGILMODS1  9329 AMERITECH ILLINOIS 358      
312-356 A Chicago Zone 01-Wabash IL CHCGILWBDS3  9329 AMERITECH ILLINOIS 358      
312-357 A Chicago Zone 01-Franklin IL CHCGILFRDS0  9329 AMERITECH ILLINOIS 358      
312-358 A Chicago Zone 01-Calumet IL   6529 T-MOBILE USA, INC. 358      
312-358 0 Chicago Zone 01-Calumet IL   6529 T-MOBILE USA, INC. 358   2015-09-18   
312-358 1 Chicago Zone 01-Calumet IL   6529 T-MOBILE USA, INC. 358   2015-09-18   
312-358 2 Chicago Zone 01-Calumet IL   6529 T-MOBILE USA, INC. 358   2015-09-18   
312-358 3 Chicago Zone 01-Calumet IL   6529 T-MOBILE USA, INC. 358   2015-09-18   
312-358 4 Chicago Zone 01-Calumet IL   6529 T-MOBILE USA, INC. 358   2015-09-18   
312-358 5 Chicago Zone 01-Calumet IL   6529 T-MOBILE USA, INC. 358   2015-09-18   
312-358 6 Chicago Zone 01-Calumet IL   6529 T-MOBILE USA, INC. 358   2015-09-18   
312-358 7 Chicago Zone 01-Calumet IL   6529 T-MOBILE USA, INC. 358   2015-09-18   
312-358 8 Chicago Zone 01-Calumet IL   6529 T-MOBILE USA, INC. 358   2015-09-18   
312-358 9 Chicago Zone 01-Calumet IL   6529 T-MOBILE USA, INC. 358   2015-09-18   
312-359 A Chicago Zone 01-Wabash IL BURGILAJCM1  6630 USA MOBILITY WIRELESS, INC. 358      
312-360 A Chicago Zone 01-Wabash IL CHCGILWBDS2  9329 AMERITECH ILLINOIS 358      
312-361 A Chicago Zone 01-Monroe IL CHCGILMODS1  9329 AMERITECH ILLINOIS 358      
312-361 0 Chicago Zone 01-Monroe IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2006-12-09   
312-361 1 Chicago Zone 01-Monroe IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2010-07-14   
312-361 2 Chicago Zone 01-Monroe IL   9329 AMERITECH ILLINOIS 358      
312-361 3 Chicago Zone 01-Monroe IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2010-07-14   
312-361 4 Chicago Zone 01-Monroe IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2011-06-23   
312-361 5 Chicago Zone 01-Monroe IL   7056 XO ILLINOIS, INC. 358   2010-10-27   
312-361 6 Chicago Zone 01-Monroe IL   9329 AMERITECH ILLINOIS 358      
312-361 7 Chicago Zone 01-Monroe IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2011-06-23   
312-361 8 Chicago Zone 01-Monroe IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2006-12-09   
312-361 9 Chicago Zone 01-Monroe IL   7056 XO ILLINOIS, INC. 358   2010-10-27   
312-362 A Chicago Zone 01-Wabash IL CHCGILWBDS0  9329 AMERITECH ILLINOIS 358      
312-363 A Chicago Zone 01-Monroe IL CHCGILACGT0  8702 RCN TELECOM SERVICES OF ILLINOIS, INC. - IL 358      
312-363 0 Chicago Zone 01-Monroe IL   8702 RCN TELECOM SERVICES OF ILLINOIS, INC. - IL 358      
312-363 1 Chicago Zone 01-Monroe IL   8702 RCN TELECOM SERVICES OF ILLINOIS, INC. - IL 358      
312-363 2 Chicago Zone 01-Monroe IL   8702 RCN TELECOM SERVICES OF ILLINOIS, INC. - IL 358      
312-363 3 Chicago Zone 01-Monroe IL   8702 RCN TELECOM SERVICES OF ILLINOIS, INC. - IL 358      

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

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