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
312-331 0 Wheeling IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
312-332 A Chicago Zone 01-Franklin IL CHCGILFRDS3  9329 AMERITECH ILLINOIS 358      
312-333 A Chicago Zone 01-Wabash IL CHCGILBWCM2  9748 AMERICAN MESSAGING SERVICES, LLC 358      
312-334 A Chicago Zone 01-Wabash IL CHCGIL24DS3  4604 FIRST COMMUNICATIONS LLC - IL 358      
312-335 A Chicago Zone 01-Superior IL CHCGILSUDS0  9329 AMERITECH ILLINOIS 358      
312-336 A Chicago Zone 01-Franklin IL CHCGILFRDS3  9329 AMERITECH ILLINOIS 358      
312-337 A Chicago Zone 01-Superior IL CHCGILSUDS2  9329 AMERITECH ILLINOIS 358      
312-338 A Chicago Zone 01-Franklin IL CHCGILFRDS1  9329 AMERITECH ILLINOIS 358      
312-339 A Chicago Zone 01-Wabash IL ELGNIL32CM2  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
312-340 A Chicago Zone 01-Calumet IL   6529 T-MOBILE USA, INC. 358      
312-340 0 Chicago Zone 01-Calumet IL   063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 358   2013-03-19   
312-340 1 Chicago Zone 01-Calumet IL   6529 T-MOBILE USA, INC. 358   2011-11-22   
312-340 2 Chicago Zone 01-Calumet IL   7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358   2011-11-23   
312-340 3 Chicago Zone 01-Calumet IL   7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358   2011-11-23   
312-340 4 Chicago Zone 01-Calumet IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2011-12-17   
312-340 5 Chicago Zone 01-Calumet IL   8760 US XCHANGE OF ILLINOIS LLC DBA CHOICE ONE COMM IL 358   2011-11-22   
312-340 6 Chicago Zone 01-Calumet IL   4717 PAETEC COMMUNICATIONS, INC. - IL 358   2011-11-23   
312-340 7 Chicago Zone 01-Calumet IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2011-12-17   
312-340 8 Chicago Zone 01-Calumet IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2011-12-17   
312-340 9 Chicago Zone 01-Calumet IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2011-12-17   
312-341 A Chicago Zone 01-Wabash IL CHCGILWBDS3  9329 AMERITECH ILLINOIS 358      
312-342 A Chicago Zone 01-Wabash IL BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
312-343 A Chicago Zone 01-Wabash IL ELGNIL32CM2  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
312-344 A Chicago Zone 01-Wabash IL CHCGILWBDS3  9329 AMERITECH ILLINOIS 358      
312-344 0 Chicago Zone 01-Wabash IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2011-06-23   
312-344 1 Chicago Zone 01-Wabash IL   7607 COMCAST PHONE OF ILLINOIS, LLC DBA COMCO - IL 358   2011-06-12   
312-344 2 Chicago Zone 01-Wabash IL   5447 ACCESS ONE, INC. - IL 358   2007-02-02   
312-344 3 Chicago Zone 01-Wabash IL   984E BANDWIDTH.COM CLEC, LLC - IL 358   2011-08-14   
312-344 4 Chicago Zone 01-Wabash IL   9329 AMERITECH ILLINOIS 358      
312-344 5 Chicago Zone 01-Wabash IL   9329 AMERITECH ILLINOIS 358      
312-344 6 Chicago Zone 01-Wabash IL   9329 AMERITECH ILLINOIS 358      
312-344 7 Chicago Zone 01-Wabash IL   9329 AMERITECH ILLINOIS 358      
312-344 8 Chicago Zone 01-Wabash IL   9329 AMERITECH ILLINOIS 358      
312-344 9 Chicago Zone 01-Wabash IL   9329 AMERITECH ILLINOIS 358      
312-345 A Chicago Zone 01-Franklin IL CHCGILFRDS3  9329 AMERITECH ILLINOIS 358      
312-346 A Chicago Zone 01-Franklin IL CHCGILFRDS4  9329 AMERITECH ILLINOIS 358      
312-347 A Chicago Zone 01-Wabash IL CHCGILWBDS3  9329 AMERITECH ILLINOIS 358      
312-348 A Chicago Zone 01-Calumet IL   224C ONVOY, LLC 358      
312-348 0 Chicago Zone 01-Calumet IL   6664 SPRINT SPECTRUM L.P. 358   2009-05-22   
312-348 1 Chicago Zone 01-Calumet IL   5447 ACCESS ONE, INC. - IL 358   2009-02-21   
312-348 2 Chicago Zone 01-Calumet IL   7196 MCI WORLDCOM COMMUNICATIONS, INC. - IL 358   2008-06-17   
312-348 3 Chicago Zone 01-Calumet IL   7196 MCI WORLDCOM COMMUNICATIONS, INC. - IL 358   2008-06-17   
312-348 4 Chicago Zone 01-Calumet IL   7196 MCI WORLDCOM COMMUNICATIONS, INC. - IL 358   2008-06-17   
312-348 5 Chicago Zone 01-Calumet IL   7196 MCI WORLDCOM COMMUNICATIONS, INC. - IL 358   2008-06-17   
312-348 6 Chicago Zone 01-Calumet IL   7196 MCI WORLDCOM COMMUNICATIONS, INC. - IL 358   2008-06-17   
312-348 7 Chicago Zone 01-Calumet IL   7196 MCI WORLDCOM COMMUNICATIONS, INC. - IL 358   2008-06-17   
312-348 8 Chicago Zone 01-Calumet IL   224C ONVOY, LLC 358   2004-01-05   
312-348 9 Chicago Zone 01-Calumet IL   6664 SPRINT SPECTRUM L.P. 358   2009-05-22   
312-349 A Chicago Zone 01-Wabash IL BURGILAJCM1  6630 USA MOBILITY WIRELESS, INC. 358      
312-350 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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