How To Pay Your Sunoco Credit Card

If you are a holder of the Sunoco credit card issued by Citi, you have several options to make your monthly card payment. You can pay:

  • Online: Log in to your account here and make your payment.
  • By Mail: Send your payment to the following address: Sunoco Rewards Card Payments, P.O. Box 78056, Phoenix, AZ 85062-8056
  • By Phone: The Sunoco credit card customer service phone number for payments is 866-622-3574.