To protect your account from fraudulent transactions, please freeze your card immediately after losing it by using one of these options:

Via TDB Online:
Log in to the app, select your card under Cards > Card List, go to Manage Card > Change Status, and switch it to Lost/Stolen.

If you are in Mongolia:
Please call our Customer Contact Center right away at 1800-1977 to lock your card, or stop by any convenient branch with your valid ID or passport.

If you are overseas:
You can request a temporary card lock by calling our international helpline at +976 7016-1988, messaging us on Viber at +976 9900-1977, or sending an email to [email protected].