How to report a lost or stolen card

What to do if your card has been lost or stolen

If you have a debit card, you will need to call us to lock your card or block it permanently.

If you have a credit card that’s missing or you are concerned about fraudulent activity you can lock the card temporally or block it permanently using the Citi Mobile^® App. You can deactivate it via Citi Online or you can call us.

Citi Mobile^® App

Log in to the Citi Mobile^® App
Tap the 'Profile & Settings' icon on the top left of your app home screen.
Select 'Lock / Unlock card' under 'Cards'.
Select the card you want to lock.
Tap 'Lock card' and follow the prompts.

Citi Online

Sign on to your Citi Online account.
Click on ‘Services’ from the top navigation.
Select ‘My Profile’ from the dropdown menu.
Select ‘My Profile’ again from the menu on the left.
Select ‘Card Activation’ and follow the prompts to deactivate.

Customer Service Centre

Contact us to report a lost or stolen card immediately on 13 24 84 (or +61 2 8225 0615 if calling from overseas). We will review your recent transactions, block your account to stop any fraudulent activity and arrange for a new card to be sent to you.