Read through some of our most frequently asked questions and get all the answers to make your banking experience easy and efficient.
You can create your User ID and Password by either using your ATM card or Credit Card number via the following ways:
Register via Citibank Online
Visit www.citibank.com.hk via computer, click on “First time user?”-> “ Register Now” from the menu on the left.
Register via Citi Mobile® App
After downloading the Citi Mobile App, open the App and tap “Register” to start the registration.
Once the User ID and password is created successfully, you can log on to both Citibank Online and Citi Mobile App with the same User ID and password.
For Citi ATM card Users
The "Card Number" refers to the 16-digit number printed on the front of your Citibank ATM card.
For Credit Card Users
The "Card Number" refers to the 16-digit number printed on the front of your Credit Card.
For Citibank Cash Back American Express® Card Users
The "Card Number" refers to the 15-digit number printed on the front of your Credit Card.
CVV2 is the 3 digit number to the right of the signature strip on the back of your credit card.
3CSC is the last 3 digits printed on the back of your Citibank Cash Back American Express® Card.
You can visit one of our branches to ask for assistance.
Please contact our Internet Hotline (852) 2860 0380 to make sure your mobile number registered with the bank is up to date.