Frequently answer and questions
How many mobile phone numbers and email addresses can be registered as replacement number?
You can register the phone number and email address registered with the bank, as well as additional phone numbers and email addresses not previously registered with the bank. The bank will send a verification code to the respective phone number and email address, and upon entering it correctly, the information will be submitted to the Centralized Account Database
What are the benefits of using an IBAN?
Benefits of using an IBAN:
Easily check if the account number is correct.
Decrease transaction rejections due to wrong account information.
Directly identify the bank behind the account.
Is an IBAN required for all financial transactions?
Starting from April 1, 2025, all commercial banks and public/private financial institutions operating in Mongolia have transitioned to the international standard for account numbering (IBAN). Please note that customers are required to use IBAN numbers for both interbank transfers and transfers between TDB accounts
What is a replacement number that allows you to receive transactions using your mobile number or email address?
A customer can register a unique replacement Number for all their IBAN accounts and use that mobile number and email address to receive and send interbank transactions. This way, when you enter your IBAN number when making interbank transactions or enter the Relacement Number with your mobile number and email address registered on another bank account, the bank and customer's name will appear and you can make transactions more easily. Please note that only one Replacement Number can be registered for an account with one IBAN number.
Where can I find / get my CVV code?
"You can register through the following TDB Online banking menus
TDB Online Banking (Mobile App): Go to the Home or ACCOUNTS menu, select Unified Account Directory, choose the account you wish to register in the registration section, select your mobile phone number or email address, and save.
TDB Online Banking (Web Version): Log in and navigate to the UNIFIED ACCOUNT DIRECTORY section under the ACCOUNTS menu, select your account in the registration section, select your mobile phone number or email address, and save.
Where and how can I find/check my account IBAN number?
You can check the IBAN number for your account at TDB as well as other commercial banks through the following channels
TDB Online: Log in to your account, go to Transactions -> IBAN Inquiry, enter your account number, select the corresponding bank, and search to view the IBAN number.
TDB Website: Visit the bank's page at https://www.tdbm.mn/mn and navigate to https://www.tdbm.mn/mn/iban-lavlagaa, enter your account number, and click the "Inquire" button to find the IBAN number.