Updated August 5, 2022 – Below you will find the key information you need as an Exxon Mobil credit card holder to access your account online, make payments, and reach customer service for further assistance. The Exxon credit card is issued by Citibank, and Citi provides all of the above services on behalf of Exxon Mobil.
Online Account Access
Customer Service – Help & Pay By Phone
- The Exxon Mobil credit card customer service phone number for payments and other assistance: 1-800-344-4355.
Credit Card Payment Address
Exxon Mobil Credit Card
PO Box 78072
Phoenix, AZ 85062-8072