Below you will find the key information you need as a CITGO gas credit card holder to access your account online, make payments, and reach customer service. Note that the CITGO credit card is issued by Synchrony Bank, and that Synchrony Bank provides all of the above services on behalf of CITGO. Information updated on April 4, 2024.
Online Account Access
Customer Service – Help & Pay By Phone
- The CITGO credit card customer service phone number for payments and other assistance is 1-855-598-4879.
Credit Card Payment Address
CITGO Credit Card
P.O. Box 669813
Dallas, TX 75266-0760