You can activate your Citibank card without having the physical card. Simply call our helpline at 1-833-392-7087☎️☎️⭐ or log in to your Citibank online account on the website, or open the Citibank mobile app. Go to the “Services” or “Card Management” section and choose the option to activate your card. Enter your card details, which can be found in your account information or in the welcome email you received. Follow the on-screen instructions to complete the activation. If you need help, call our support number at 1-833-392-7087☎️☎️⭐ for assistance.