Marathon Credit Card Payment, Login, and Customer Service Information

marathon-credit-cardMarathon gas consumer credit cards are issued in partnership with Comenity Bank, and it is Comenity you will interact with in order to pay your bill online or by mail, or to get customer service assistance. Below you’ll find the information you need to complete any of these tasks:


If you prefer to mail in your payment, the Marathon Visa and Marathon gas credit card payment address is:

Marathon Credit Cards
P.O. Box 659707
San Antonio, TX 78265-9707

If you’re having trouble making a payment or have other questions, below are the Marathon credit card customer service phone numbers:

  • Marathon Visa: 1-866-308-0680
  • Marathon gas credit card: 1-866-308-5730


If you have a Marathon fleet card for business purposes, you can pay your bill online here. The Marathon Fleet Card customer service and pay-by-phone telephone number is 1-866-544-0699.