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
872-904 0 Chicago Zone 07-Stewart IL 224C ONVOY, LLC 358   2015-11-26   
872-910 A Chicago Zone 01-Calumet IL 224C ONVOY, LLC 358      
872-910 0 Chicago Zone 01-Calumet IL 224C ONVOY, LLC 358   2021-05-14   
872-910 4 Chicago Zone 01-Calumet IL 224C ONVOY, LLC 358   2021-07-03   
872-910 9 Chicago Zone 01-Calumet IL 224C ONVOY, LLC 358   2021-07-03   
872-985 0 Chicago Zone 02-Edgewater IL 224C ONVOY, LLC 358   2015-04-23   
872-999 A Chicago Zone 02-Edgewater IL 224C ONVOY, LLC 358      
872-999 4 Chicago Zone 02-Edgewater IL 224C ONVOY, LLC 358   2013-02-11   
872-999 5 Chicago Zone 02-Edgewater IL 224C ONVOY, LLC 358   2013-02-11   
872-999 6 Chicago Zone 02-Edgewater IL 224C ONVOY, LLC 358   2013-02-11   
872-999 7 Chicago Zone 02-Edgewater IL 224C ONVOY, LLC 358   2013-02-11   
872-999 9 Chicago Zone 02-Edgewater IL 224C ONVOY, LLC 358   2013-02-11   

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Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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