What is the customer support email address? 19 January 2024 16:47 Updated If you have any questions, please feel free to email us at: customersupport@procustody.com Related articles How do I withdraw my USD? How do I deposit USD? Who should I contact if I have problems opening an account? Do I need to be a U.S. entity to have a Custodial Account with Prometheum? How do I set up multi-factor authentication for my account?