How do I contact Anchorage Digital Bank? 25 October 2022 18:39 Updated You can reach Anchorage Client Services by calling 1-888-701-7193, or by email at AccountExecutive@Anchorage.com. Related articles Where can I find more information about Anchorage Bank? Who is my custodian? Which custodians does the Prometheum ATS platform support? How do I update my address? Is Prometheum ATS a custodian?