What I if I lose my GasBuddy™ Mastercard® Credit Card? October 06, 2022 21:29 Updated If your card is lost or stolen, please contact Comenity Capital Bank by calling 1-844-271-2675 (TDD/TTY: 1-888-819-1918). Related articles How do I report my card lost, stolen or damaged? Inactive Card How do I get more information about the GasBuddy™ Mastercard® Credit Card? How do I activate my Pay With GasBuddy card? How do I request or change my Personal Identification Number (PIN)?