How to Activate Your New Citi Credit Card at

Just got a shiny new Citi card in the mail? Congrats! Before you can start racking up rewards, you need to activate your card first. Activating your card is super easy and only takes a few minutes. In this post, I’ll walk you through the process step-by-step.

First though, let’s chat about why Citi cards are so popular in the first place:

Citi offers tons of perks, from cash back to travel rewards and beyond. Their rewards programs are really generous too – I’m getting 3% cash back at restaurants and supermarkets with my Citi Double Cash card!

Citi also has top-notch customer service, purchase protection, extended warranties, and other benefits that make them one of the most trusted names in banking.

Ready to dive in? Here’s how to activate your new Citi credit card:

Activate Online at

Activating online is crazy fast and easy. Just have these handy:

  • Your new card
  • Stable internet connection
  • Your Social Security Number


  1. Open your browser and head to
  2. Enter your full 16-digit card number (no spaces/dashes)
  3. Click Continue
  4. Enter your Social Security Number when prompted
  5. Create a card PIN if asked
  6. Double check all details are correct
  7. Click Activate

You’ll get a confirmation message once it goes through. So easy!

Activate by Phone

If you prefer activating over the phone:

  • Call the number on the back of your card
  • Follow the voice prompts to enter your info
  • Set up a PIN when asked

You’ll get a confirmation when activation is complete.

Use the Citi Mobile App

To activate on your smartphone:

  1. Download the Citi Mobile app (iOS or Android)
  2. Tap “Activate a Card”
  3. Enter your card details and personal info
  4. Create a 4-digit ATM PIN

And that’s it – activation complete!

Once your shiny new Citi card is activated, feel free to start using it for all your daily purchases. Thanks to Citi’s amazing rewards programs and stellar customer service, I’m sure you’ll love it!

Let me know if you have any other questions down below!