Local Calling Guide

Area code/prefix search

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

NXX: 997

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
773-997 A Chicago Zone 02-Edgewater IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
773-997 0 Chicago Zone 02-Edgewater IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2009-06-24   
773-997 1 Chicago Zone 02-Edgewater IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2020-11-06   
773-997 2 Chicago Zone 02-Edgewater IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2010-06-28   
773-997 3 Chicago Zone 02-Edgewater IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2010-08-30   
773-997 4 Chicago Zone 02-Edgewater IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2010-08-30   
773-997 5 Chicago Zone 02-Edgewater IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2021-09-17   
773-997 6 Chicago Zone 02-Edgewater IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2021-09-17   
773-997 7 Chicago Zone 02-Edgewater IL   145J TERRA NOVA TELECOM INC. 358   2021-01-15   
773-997 8 Chicago Zone 02-Edgewater IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2021-09-17   
773-997 9 Chicago Zone 02-Edgewater IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2009-06-24   

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

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