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Citibank Credit Card Activation Guide

Any new credit card from Citi will be delivered to you in the deactivated or blocked condition. The same applies for replacement and renewal cards as well. This is done mainly to ensure the safety of your card and to decline any transactions that are attempted on them. Before you start using your card, you need to activate it. If you’re planning on using your card overseas, you need to activate that feature separately. Any new, replacement, or renewal card will be automatically deactivated for use abroad unless you specifically mention in your card application that you want the feature activated. This also applies when the card that you’re replacing or renewing was activated for overseas use earlier. We’ve compiled a guide that shows how you can activate your card and successfully use it for regular transactions and also for overseas use.

Related: Best Citibank Credit Cards Singapore

Through The Citi Mobile App

You can download the Citi Mobile application on your mobile phone and activate your card through it. Your card will be activated right away and the same will be confirmed by the bank through an SMS. The app also functions as your card’s companion, extending its security features and benefits.

Steps to activate the card:

  • Download the Citibank SG mobile application on your Android phone from Google Play or on your iPhone through the App Store.
  • Open the application and choose the option “Activate your card”.
  • Simply follow the instructions and get the card activated. You don’t have to “sign on” for this.

If you’re logging in through the Citi Mobile App, follow these steps:

  • Access the “Manage your cards” section through the Menu.
  • After this, select “Activate/Deactivate cards”.
  • Enter your Citi Mobile Token PIN or your OTP.
  • Choose the:
    • “Use in Singapore” option, select the card you want to activate, and activate it by tapping on “Confirm”. - (for normal use)
    • “Overseas Use” option, select the card you want to activate, and click on “Activate Perpetually”. Then click on “Confirm” to activate it. - (for overseas use)

Through Citibank Online

You can activate your Citi credit card online by using your Internet Banking PIN as well.

Steps to activate the card:

  • Log into the “Citibank Online” option on www.citibank.com.sg using your user ID and password.  
  • Under the “Services” tab, select the “My Profile” option.
    • Select “Card Activation” and then simply follow the instructions given to complete the process. – (for normal use)
    • Select “Overseas Card Activation” and then simply follow the instructions on your screen to complete the process. – (for overseas use)

If you’re accessing the website through your mobile phone, you will be taken to the mobile site. Your card will be activated immediately. You will also get an SMS from the bank confirming the activation.

Through SMS

The third way to activate your credit card is via SMS. Do keep in mind that you have to send the SMS from the mobile number that you have registered with the bank. The activation will happen right away and an SMS will be sent back to you regarding the active status of your card.

Steps to activate the card for normal use:

  • Type out an SMS in the following format – ACT (space) (the last 4 numbers of your credit card number).
  • Send this SMS to 72484.
  • If you’re trying to activate your card while you’re abroad, you must send the SMS to this number instead: +65 9657 2484.  

Steps to activate the card for overseas use:

  • For perpetual use:
    • Type out an SMS in the following format – ACT (space) OS (space) (the last four digits of your credit card number).
    • Send the SMS to 72484.
    • If you want to activate your card when you’re overseas, you are required to send the SMS to this number: +65 9657 2484.  
  • For limited use overseas:
    • Type out the following SMS: ACT (space) OS (space) (the last four digits of your card number) (space) (number of days).
    • If you’re abroad, send the SMS to this number - +65 9657 2484.
    • This facility will commence from the day on which you send the SMS to the bank.

Note: All these three ways of activating your card also work for deactivating the card. The processes, however, may be a little different.

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