If you are a holder of the Mercury Mastercard issued by CreditShop & First Bank & Trust (including former Barclays customers), you have several options to make your monthly Mercury credit card payments. You can pay:
- Online: Log in to your account here and make your payment.
- By Mail: Send your payment to the following address: Mercury Credit Card Services, PO Box 70168, Philadelphia, PA 19176-0168
- By Phone: The Mercury credit card customer service phone number for payments is 866-686-2158.