CITGO gas credit cards are issued by Synchrony Bank, and in order to pay your CITGO credit card bill or talk to someone about your bill, you will need to work with Synchrony Bank. Here’s what to do:
- If you want to pay your CITGO credit card bill online, log in here.
If you want to mail in your CITGO credit card payment (for consumer credit cards), the address is:
P.O. Box 530938
Atlanta, GA 30353-0938
If you want to pay by phone, or need to reach CITGO credit card customer service for other issues, the phone number to call is 1-855-598-4879.