Local Calling Guide

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

NXX: 433

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
773-433 A Chicago Zone 02-Edgewater IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
773-433 0 Chicago Zone 02-Edgewater IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2003-08-26   
773-433 1 Chicago Zone 02-Edgewater IL CHCGILWUX6X  460K FIRST COMMUNICATIONS, LLC 358   2004-07-31   
773-433 2 Chicago Zone 02-Edgewater IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2005-01-17   
773-433 3 Chicago Zone 02-Edgewater IL CHCGILWUX6X  460K FIRST COMMUNICATIONS, LLC 358   2004-09-06   
773-433 4 Chicago Zone 02-Edgewater IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2004-08-25   
773-433 5 Chicago Zone 02-Edgewater IL CHCGILWUX6X  460K FIRST COMMUNICATIONS, LLC 358   2005-08-19   
773-433 6 Chicago Zone 02-Edgewater IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2021-09-17   
773-433 7 Chicago Zone 02-Edgewater IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2005-01-17   
773-433 8 Chicago Zone 02-Edgewater IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2005-01-17   
773-433 9 Chicago Zone 02-Edgewater IL CHCGILIDXEX  553J WHITESKY COMMUNICATIONS, LLC 358   2021-02-27   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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