How do I cancel my GasBuddy™ Mastercard® Credit Card? October 06, 2022 21:29 Updated Please contact Comenity Capital Bank at 1-844-271-2675 (TDD/TTY: 1-888-819-1918). Related articles How do I cancel my account? How do I cancel my Plus or Premium paid Membership? How do I edit my profile and account information? Where can I view my account information? How it works with the Pay With GasBuddy Card