Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: CHCGIL24DS6

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
312-820 1 Chicago Zone 01-Calumet IL 224C ONVOY, LLC 358   2020-03-09   
312-820 2 Chicago Zone 01-Calumet IL 224C ONVOY, LLC 358   2020-03-09   
312-820 3 Chicago Zone 01-Calumet IL 224C ONVOY, LLC 358   2020-03-09   
312-820 4 Chicago Zone 01-Calumet IL 224C ONVOY, LLC 358   2020-03-09   
312-820 5 Chicago Zone 01-Calumet IL 224C ONVOY, LLC 358   2020-03-09   
312-820 6 Chicago Zone 01-Calumet IL 224C ONVOY, LLC 358   2020-03-09   
312-820 7 Chicago Zone 01-Calumet IL 224C ONVOY, LLC 358   2020-03-09   
312-820 8 Chicago Zone 01-Calumet IL 224C ONVOY, LLC 358   2020-03-09   
312-820 9 Chicago Zone 01-Calumet IL 224C ONVOY, LLC 358   2020-03-09   
312-825 0 Chicago Zone 01-Calumet IL 224C ONVOY, LLC 358   2016-05-28   
312-825 1 Chicago Zone 01-Calumet IL 224C ONVOY, LLC 358   2016-05-28   
312-847 A Chicago Zone 01-Calumet IL 224C ONVOY, LLC 358      
312-847 0 Chicago Zone 01-Calumet IL 224C ONVOY, LLC 358   2019-08-30   
312-847 1 Chicago Zone 01-Calumet IL 224C ONVOY, LLC 358   2019-08-30   
312-847 2 Chicago Zone 01-Calumet IL 224C ONVOY, LLC 358   2019-08-30   
312-847 3 Chicago Zone 01-Calumet IL 224C ONVOY, LLC 358   2019-08-30   
312-847 4 Chicago Zone 01-Calumet IL 224C ONVOY, LLC 358   2019-08-30   
312-847 5 Chicago Zone 01-Calumet IL 224C ONVOY, LLC 358   2019-08-30   
312-847 6 Chicago Zone 01-Calumet IL 224C ONVOY, LLC 358   2019-08-30   
312-847 7 Chicago Zone 01-Calumet IL 224C ONVOY, LLC 358   2019-08-30   
312-847 8 Chicago Zone 01-Calumet IL 224C ONVOY, LLC 358   2019-08-30   
312-847 9 Chicago Zone 01-Calumet IL 224C ONVOY, LLC 358   2019-08-30   
312-854 7 Chicago Zone 01-Franklin IL 224C ONVOY, LLC 358   2008-07-21   
312-854 8 Chicago Zone 01-Franklin IL 224C ONVOY, LLC 358   2008-07-21   
312-872 0 Chicago Zone 01-Calumet IL 224C ONVOY, LLC 358   2018-11-06   
312-872 3 Chicago Zone 01-Calumet IL 224C ONVOY, LLC 358   2019-06-28   
312-872 4 Chicago Zone 01-Calumet IL 224C ONVOY, LLC 358   2019-06-28   
312-872 7 Chicago Zone 01-Calumet IL 224C ONVOY, LLC 358   2019-06-28   
312-872 8 Chicago Zone 01-Calumet IL 224C ONVOY, LLC 358   2019-06-28   
312-874 5 Chicago Zone 01-Calumet IL 224C ONVOY, LLC 358   2015-07-28   
312-874 6 Chicago Zone 01-Calumet IL 224C ONVOY, LLC 358   2015-07-28   
312-874 7 Chicago Zone 01-Calumet IL 224C ONVOY, LLC 358   2015-07-28   
312-888 7 Chicago Zone 01-Calumet IL 224C ONVOY, LLC 358   2013-12-19   
312-888 8 Chicago Zone 01-Calumet IL 224C ONVOY, LLC 358   2013-12-19   
312-897 5 Chicago Zone 01-Calumet IL 224C ONVOY, LLC 358   2015-06-05   
312-897 6 Chicago Zone 01-Calumet IL 224C ONVOY, LLC 358   2015-06-05   
312-897 7 Chicago Zone 01-Calumet IL 224C ONVOY, LLC 358   2015-06-05   
312-900 8 Chicago Zone 01-Calumet IL 224C ONVOY, LLC 358   2019-06-28   
312-906 7 Chicago Zone 01-Canal IL 224C ONVOY, LLC 358   2011-06-29   
312-910 A Chicago Zone 01-Calumet IL 224C ONVOY, LLC 358      
312-910 0 Chicago Zone 01-Calumet IL 224C ONVOY, LLC 358   2022-11-20   
312-910 1 Chicago Zone 01-Calumet IL 224C ONVOY, LLC 358   2022-11-20   
312-910 2 Chicago Zone 01-Calumet IL 224C ONVOY, LLC 358   2022-11-20   
312-910 3 Chicago Zone 01-Calumet IL 224C ONVOY, LLC 358   2022-11-20   
312-910 4 Chicago Zone 01-Calumet IL 224C ONVOY, LLC 358   2022-11-20   
312-910 5 Chicago Zone 01-Calumet IL 224C ONVOY, LLC 358   2022-11-20   
312-910 6 Chicago Zone 01-Calumet IL 224C ONVOY, LLC 358   2022-11-20   
312-910 7 Chicago Zone 01-Calumet IL 224C ONVOY, LLC 358   2022-11-20   
312-910 8 Chicago Zone 01-Calumet IL 224C ONVOY, LLC 358   2022-11-20   
312-910 9 Chicago Zone 01-Calumet IL 224C ONVOY, LLC 358   2022-11-20   

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Last updated: Sat, 26 Aug 2023 16:14:14 UTC

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