You can contact the AU Bank credit card customer care team for any inquiries or grievance redressal through any of the following ways:   24X7 hours call centre number: 1800 1200 1500  Email: creditcard.support@aubank.in  Zenith and Vetta customers can send emails on: creditcard.priority@aubank.in  Mail: AU Small Finance Bank, Credit Card Division, Third Floor Hall C, Sunny Junction STC, New Atish Market, Jaipur, Rajasthan - 302020