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
312-241 1 Chicago Zone 01-Calumet IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2011-10-24   
312-241 2 Chicago Zone 01-Calumet IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2011-10-14   
312-241 3 Chicago Zone 01-Calumet IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2011-10-14   
312-241 4 Chicago Zone 01-Calumet IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2011-10-14   
312-241 5 Chicago Zone 01-Calumet IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2011-10-14   
312-241 6 Chicago Zone 01-Calumet IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2011-10-14   
312-241 7 Chicago Zone 01-Calumet IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2011-10-14   
312-241 8 Chicago Zone 01-Calumet IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2011-10-14   
312-241 9 Chicago Zone 01-Calumet IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2011-10-14   
312-242 A Chicago Zone 01-Wabash IL CHCGILCGDS1  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
312-242 0 Chicago Zone 01-Wabash IL   7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
312-242 1 Chicago Zone 01-Wabash IL   7721 BROADWING COMMUNICATIONS, LLC - IL 358   2000-10-13   
312-242 2 Chicago Zone 01-Wabash IL   4604 FIRST COMMUNICATIONS LLC - IL 358   2002-07-03   
312-242 3 Chicago Zone 01-Wabash IL   7721 BROADWING COMMUNICATIONS, LLC - IL 358   2002-04-23   
312-242 4 Chicago Zone 01-Wabash IL   4604 FIRST COMMUNICATIONS LLC - IL 358   2001-07-09   
312-242 5 Chicago Zone 01-Wabash IL   7721 BROADWING COMMUNICATIONS, LLC - IL 358   2001-01-17   
312-242 6 Chicago Zone 01-Wabash IL   4604 FIRST COMMUNICATIONS LLC - IL 358   2001-07-09   
312-242 7 Chicago Zone 01-Wabash IL   7721 BROADWING COMMUNICATIONS, LLC - IL 358   2000-11-20   
312-242 8 Chicago Zone 01-Wabash IL   4604 FIRST COMMUNICATIONS LLC - IL 358   2001-07-09   
312-242 9 Chicago Zone 01-Wabash IL   4604 FIRST COMMUNICATIONS LLC - IL 358   2001-07-09   
312-243 A Chicago Zone 01-Monroe IL CHCGILMODS1  9329 AMERITECH ILLINOIS 358      
312-244 A Chicago Zone 01-Franklin IL CHCGILFRDS1  9329 AMERITECH ILLINOIS 358      
312-244 0 Chicago Zone 01-Franklin IL   6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2010-08-16   
312-244 1 Chicago Zone 01-Franklin IL   9329 AMERITECH ILLINOIS 358      
312-244 2 Chicago Zone 01-Franklin IL   9329 AMERITECH ILLINOIS 358      
312-244 3 Chicago Zone 01-Franklin IL   7056 XO ILLINOIS, INC. 358   2005-12-12   
312-244 4 Chicago Zone 01-Franklin IL   7056 XO ILLINOIS, INC. 358   2005-12-12   
312-244 5 Chicago Zone 01-Franklin IL   9329 AMERITECH ILLINOIS 358      
312-244 6 Chicago Zone 01-Franklin IL   9329 AMERITECH ILLINOIS 358      
312-244 7 Chicago Zone 01-Franklin IL   9329 AMERITECH ILLINOIS 358      
312-244 8 Chicago Zone 01-Franklin IL   9329 AMERITECH ILLINOIS 358      
312-244 9 Chicago Zone 01-Franklin IL   6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2010-08-16   
312-245 A Chicago Zone 01-Illinois Dearborn IL CHCGILIDDS0  9329 AMERITECH ILLINOIS 358      
312-246 A Wheeling IL SCBGILRRGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
312-246 0 Wheeling IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
312-246 1 Wheeling IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
312-246 2 Wheeling IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
312-246 3 Wheeling IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
312-246 4 Wheeling IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
312-246 5 Wheeling IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
312-246 9 Wheeling IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
312-247 A Chicago Zone 01-Calumet IL CHCGIL24DS3  4604 FIRST COMMUNICATIONS LLC - IL 358      
312-247 0 Chicago Zone 01-Calumet IL   4604 FIRST COMMUNICATIONS LLC - IL 358   2004-05-28   
312-247 1 Chicago Zone 01-Calumet IL   4604 FIRST COMMUNICATIONS LLC - IL 358   2004-05-28   
312-247 2 Chicago Zone 01-Calumet IL   4604 FIRST COMMUNICATIONS LLC - IL 358   2004-05-28   
312-247 3 Chicago Zone 01-Calumet IL   4604 FIRST COMMUNICATIONS LLC - IL 358   2004-05-28   
312-247 4 Chicago Zone 01-Calumet IL   4604 FIRST COMMUNICATIONS LLC - IL 358   2004-05-28   
312-247 5 Chicago Zone 01-Calumet IL   4604 FIRST COMMUNICATIONS LLC - IL 358   2004-05-28   
312-247 6 Chicago Zone 01-Calumet IL   4604 FIRST COMMUNICATIONS LLC - IL 358   2004-05-28   
312-247 7 Chicago Zone 01-Calumet IL   4604 FIRST COMMUNICATIONS LLC - IL 358   2004-05-28   

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

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