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
312-392 5 Chicago Zone 01-Calumet IL   224C ONVOY, LLC 358   2018-01-05   
312-392 6 Chicago Zone 01-Calumet IL   5562 METRO PCS, INC. 358   2018-05-06   
312-392 7 Chicago Zone 01-Calumet IL   5562 METRO PCS, INC. 358   2018-05-06   
312-392 8 Chicago Zone 01-Calumet IL   5562 METRO PCS, INC. 358   2018-05-06   
312-392 9 Chicago Zone 01-Calumet IL   7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358   2017-12-21   
312-393 A Chicago Zone 01-Wabash IL CHCGILBWCM2  9748 AMERICAN MESSAGING SERVICES, LLC 358      
312-394 A Chicago Zone 01-Franklin IL CHCGILFRDS1  9329 AMERITECH ILLINOIS 358      
312-394 0 Chicago Zone 01-Franklin IL   6529 T-MOBILE USA, INC. 358   2011-06-28   
312-394 1 Chicago Zone 01-Franklin IL   9329 AMERITECH ILLINOIS 358      
312-394 2 Chicago Zone 01-Franklin IL   9329 AMERITECH ILLINOIS 358      
312-394 3 Chicago Zone 01-Franklin IL   9329 AMERITECH ILLINOIS 358      
312-394 4 Chicago Zone 01-Franklin IL   9329 AMERITECH ILLINOIS 358      
312-394 5 Chicago Zone 01-Franklin IL   9329 AMERITECH ILLINOIS 358      
312-394 6 Chicago Zone 01-Franklin IL   9329 AMERITECH ILLINOIS 358      
312-394 7 Chicago Zone 01-Franklin IL   9329 AMERITECH ILLINOIS 358      
312-394 8 Chicago Zone 01-Franklin IL   9329 AMERITECH ILLINOIS 358      
312-394 9 Chicago Zone 01-Franklin IL   6529 T-MOBILE USA, INC. 358   2011-06-28   
312-395 A Chicago Zone 01-Franklin IL CHCGILCLGMD  7421 AT&T LOCAL 358      
312-395 0 Chicago Zone 01-Franklin IL   6529 T-MOBILE USA, INC. 358   2011-06-28   
312-395 1 Chicago Zone 01-Franklin IL   9329 AMERITECH ILLINOIS 358   2003-05-21   
312-395 2 Chicago Zone 01-Franklin IL   9329 AMERITECH ILLINOIS 358   2003-01-06   
312-395 3 Chicago Zone 01-Franklin IL   9329 AMERITECH ILLINOIS 358   2003-01-06   
312-395 4 Chicago Zone 01-Franklin IL   9329 AMERITECH ILLINOIS 358   2003-01-06   
312-395 5 Chicago Zone 01-Franklin IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2003-01-12   
312-395 6 Chicago Zone 01-Franklin IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2003-01-12   
312-395 7 Chicago Zone 01-Franklin IL   7721 BROADWING COMMUNICATIONS, LLC - IL 358   2002-10-22   
312-395 8 Chicago Zone 01-Franklin IL   7721 BROADWING COMMUNICATIONS, LLC - IL 358   2003-01-12   
312-395 9 Chicago Zone 01-Franklin IL   7421 AT&T LOCAL 358      
312-396 A Chicago Zone 01-Illinois Dearborn IL CHCGILIDDS0  9329 AMERITECH ILLINOIS 358      
312-397 A Chicago Zone 01-Superior IL CHCGILSUDS2  9329 AMERITECH ILLINOIS 358      
312-398 A Chicago Zone 01-Calumet IL BURGILAJCM1  6630 USA MOBILITY WIRELESS, INC. 358      
312-399 A Chicago Zone 01-Wabash IL BRDVILBOCM0  6664 SPRINT SPECTRUM L.P. 358      
312-400 A Chicago Zone 01-Wabash IL CHCGILBWCM2  9748 AMERICAN MESSAGING SERVICES, LLC 358      
312-401 A Chicago Zone 01-Wabash IL BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
312-402 A Chicago Zone 01-Wabash IL BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
312-402 0 Chicago Zone 01-Wabash IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
312-402 1 Chicago Zone 01-Wabash IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
312-402 2 Chicago Zone 01-Wabash IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
312-402 3 Chicago Zone 01-Wabash IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
312-402 4 Chicago Zone 01-Wabash IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
312-402 5 Chicago Zone 01-Wabash IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
312-402 6 Chicago Zone 01-Wabash IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
312-402 7 Chicago Zone 01-Wabash IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
312-402 8 Chicago Zone 01-Wabash IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
312-402 9 Chicago Zone 01-Wabash IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2011-06-23   
312-403 A La Grange IL HCHLILMTCM2  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
312-403 0 La Grange IL   6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
312-403 1 La Grange IL   6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
312-404 A Chicago Zone 01-Wabash IL CHCGILMFCM6  6529 T-MOBILE USA, INC. 358      
312-405 A Chicago Zone 01-Wabash IL ELGNIL32CM2  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      

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

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