Activate Citi ThankYou Card

To activate your Citi ThankYou Card, you have several convenient options. Go to the Citi Card Activation website: Citi Online Activation. Enter your 16-digit card number, validate your Date of Birth, and follow the prompts to select your PIN.

Here’s a step-by-step guide to help you get started:

1. Activate via Citi Mobile® App

The Citi Mobile® App offers a quick and secure way to activate your card:

  1. Download the App: Install the Citi Mobile® App from Google Play Store or Apple App Store.

  2. Log In: Open the app and log in using your User ID and Password.

  3. Activate Card: On the home screen, tap on ‘Activate Card’.

  4. Enter Card Details: Input your 16-digit card number, expiry date, CVV, and your date of birth.

  5. OTP Verification: You will receive a One-Time Password (OTP) on your registered mobile number. Enter this OTP to verify your identity.

  6. Set PIN: Create a 4-digit PIN for your card.

  7. Confirmation: Once activated, you will receive a confirmation message

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Also Read : Aetna Precertification Lists PDF 2025


2. Activate via Citibank Online

If you prefer using a desktop or laptop:

  1. Visit Citibank Online: Go to online.citi.com.

  2. Log In: Enter your User ID and Password.

  3. Navigate to Card Activation: Under the ‘Services’ menu, select ‘Activate Card’.

  4. Enter Card Details: Provide your card number, expiry date, and date of birth.

  5. OTP Verification: An OTP will be sent to your registered mobile number. Enter this OTP to proceed.

  6. Set PIN: Create a 4-digit PIN for your card.

  7. Confirmation: You will receive a confirmation message once your card is activated.


3. Activate via ATM

If you have a Citibank ATM card linked to your account:

  1. Visit a Citibank ATM: Insert your Citibank ATM card.

  2. Enter PIN: Input your ATM PIN.

  3. Select ‘Create PIN using OTP’: Choose this option from the menu.

  4. Receive OTP: An OTP will be sent to your registered mobile number.

  5. Enter OTP: Input the received OTP.

  6. Set Card PIN: Create a 4-digit PIN for your card.

  7. Confirmation: You will receive a confirmation message once your card is activated.


4. Activate via Customer Care

For assistance, you can contact Citibank’s customer care:

  • Phone: Dial 1860 210 2484 from your registered mobile number.

  • Process: Follow the automated instructions to activate your card. You may need to provide your card details and personal information for verification


🔐 Important Tips

  • Secure Your PIN: Do not share your PIN with anyone.

  • Transaction Limits: Online, international, and contactless transactions are blocked by default for security. You can enable or set usage limits via the Citi Mobile® App or Citibank Online.

  • Regular Monitoring: Keep an eye on your account statements and report any suspicious activities immediately.