Use the following combinations to open the corresponding safe.
Chapter 1: Lockdown - Serendi Jeweler's Cellar: 739
The City Part I - Miss Scarlett's Town House: 824.
Chapter 2: Dust to Dust - Workshop: 314
The City Part II - Baron's Way South (South Quarter): 842
Chapter 3: Dirty Secrets - Upper Level: 573
Chapter 4: A Friend in Need - Safe Chamber: 319
Chapter 4: A Friend in Need - Safe Housing: 018
Client Job 4: The Carnal Connoisseur - Wine Cellar: 812
Chapter 5: The Forsaken - Treatment Center (Third Floor): 731
The City Part V - Archie Maxwell's House: 776
Chapter 6: A Man Apart - First Floor: 889
Chapter 6: A Man Apart - Waiting Hall: 017
Chapter 7: The Hidden City - Loading Docks Interior: 673
DLC: Client Job: The Bank Heist - Outer Vault: 632