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Help with loansHow 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.
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