Customer service for Mercury Credit Cards is available by phone for assistance with new applications, website and mobile app support, and payments.
- For New Application Assitance: Call 833-766-4844
- Website and Mobile App Support: Call 833-766-4844
- Payment By Phone: Call 866-686-2158(24*7)
- Payment By Phone International: Call +1-706-494-5025
Contact By Mail:
Card Services,
PO Box 84064,
Columbus GA 31908