Interactive USSD *121#service_call
Step 1
Press * 1 2 1 #
Step 2
Your balance will be displayed on screen,
“Your balance is X,XXX.XX Baht. Valid until DD/MM/YY” For other menu, press 9
Step 3
Press 'Reply'* and type '9' to continue to the other menu
Step 4
The screen will display 3 choices in the menu
1. Remaining Mao Mao & Free Bonus (Minute)
2. Remaining Free Bonus (Baht)
3. Remaining Data Package
Step 5
Proceed to the next step by pressing ‘Reply’* and typing the desired menu number until the end
* For Android OS, the 'Reply' step is skipped. Simply type desired menu number.
IVR *121service_call
Dial * 1 2 1
The service will notify you of your remaining balance , validity and free call bonus.
Select the menu you would like to check , by pressing the number indicated:
Press 1 Minutes Bonus Checking & Mao Mao
Press 2 Free Call Bonus checking
Press 3 Remaining Package Checking
Press 4 Internet Balance Checking
Follow the instructions to the end
Service Fee
  • IVR * 1 2 1 #
    - Free of charge for the first 10 times of each month and 1 Baht/transaction thereafter (7% VAT included)
  • USSD Interactive * 1 2 1 #
    - Free of charge