Contact Us

Contact Us

It's easy to contact Citibank - from anywhere in the world, at anytime of the day or night.


If you're an existing Citi customer, you can quickly send and receive secure messages within Citibank Online for all your enquiries with few simple steps.

  • Step 1. Login using your Username and Password.
  • Step 2. Once logged in, click on "Services" on the blue bar menu >> "My profile" >> "My Message" >> "Inbox" and enter your OTP (One-time PIN) to proceed.
  • Step 3. Select "Compose Email" >> select the appropriate subject line for the message, enter the details of your inquiry >> click on "Submit".

The response to your inquiry will also be in the secure messaging system in Citibank Online. Once logged in, click on "Inbox" on the left navigation to view it.

If you haven't registered for Citibank Online yet, simply click here and follow the instructions to set it up.

Our locations

Find your nearest Citibank ATM, Branch, or Citigold Centre anywhere in the Asia-Pacific region with

Citibank, N.A., - Ho Chi Minh City Branch

Sun Wah Tower,
115 Nguyen Hue Boulevard, District 1,
Ho Chi Minh City, Vietnam.

Operating Hours: 8:30 AM - 05:30 PM (Monday to Friday)

Cash Counters Service: 8:30 AM - 04:30 PM (Monday to Friday)

Citibank, N.A. - Hanoi Branch

Horison Tower
40 Cat Linh Street, Cat Linh Ward,
Dong Da District, Hanoi.

Operating Hours: 8:30 AM - 05:30 PM (Monday to Friday)

Cash Counters Service: 8:30 AM - 04:30 PM (Monday to Friday)

General Enquiries

CitiPhone hotline number at (84 28) 3521 1111 (84 28) 3521 1111 for enquiries, submitting a Complaint, a Compliment or General Feedback.

  • How to call CitiPhone: Please click here to view full Interactive Voice Response (IVR) Process
  • Note: For your convenience, please use your Registered Phone Number to call Citiphone.

When calling from overseas, please dial (84 28) 3521 1118 (84 28) 3521 1118.

Dedicated Citigold hotline number (84 28) 3521 1088 (84 28) 3521 1088, operated 24/7. Simply dial the hotline number to talk directly to our service staff. Please note to provide your Citigold account or card number for verification.


(84 28) 3521 1510 (84 28) 3521 1510

List of the Appointed Collection Agencies

Please click here for more details.

  • Stay informed round the clock, with CitiAlerts.
  • Protecting you at every level, all the way.