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Easy steps to activate your card on Citibank Online

1 Go to Citibank Online website at www.citibank.co.th
> Click “Activate your card”.
2 Enter your card details.
> Enter 16-digit card number and click “Continue”.
> Enter CVV number (3 digits at the back of your card) and 
your Date of Birth.
> Click “Continue”.
Your card number

Enter CVV number

Enter your Date of Birth
3 One-Time PIN Authentication via SMS.
> Enter One-Time PIN received via SMS.
> If you do not received the OTP, click “Resend OTP”.

Enter OTP

Resend OTP
4 Completed card activation process.
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