Vox Codes are found in the following locations in BioShock Infinite:

Soldier's Field Vox Code [ edit ]

In restroom of a bar:



Walkthrough: Soldier's Field Vox Code Walkthrough

Plaza of Zeal Vox Code [ edit ]

In Clock Maker's shop:



Walkthrough: Plaza of Zeal Vox Code Walkthrough

Bank of the Prophet Vox Code [ edit ]

In small office:



Walkthrough: Bank of the Prophet Vox Code Walkthrough