Local Calling Guide

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NPA: 773 [Rate centres in NPA 773] [Dial plan for NPA 773]

NXX: 942

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
773-942 A Chicago Zone 02-Edgewater IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
773-942 0 Chicago Zone 02-Edgewater IL CHCGIL24DS6  224C ONVOY, LLC 358   2024-09-09   
773-942 1 Chicago Zone 02-Edgewater IL   6529 T-MOBILE USA, INC. 358   2025-06-03   
773-942 2 Chicago Zone 02-Edgewater IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
773-942 3 Chicago Zone 02-Edgewater IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2006-04-09   
773-942 4 Chicago Zone 02-Edgewater IL CHCGILIDXDX  624H ONVOY SPECTRUM, LLC 358   2022-01-07   
773-942 5 Chicago Zone 02-Edgewater IL   6529 T-MOBILE USA, INC. 358   2025-06-03   
773-942 6 Chicago Zone 02-Edgewater IL CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358   2007-04-12   
773-942 7 Chicago Zone 02-Edgewater IL CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358   2007-04-12   
773-942 8 Chicago Zone 02-Edgewater IL   224C ONVOY, LLC 358   2025-04-06   
773-942 9 Chicago Zone 02-Edgewater IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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