Interactive USSD *121#service_call
Step 1
Press * 1 2 1 #
Step 2
Your balance will be displayed on screen
Step 3
Press 'Reply'* and type '9' to choose “For other menu”
Step 4
Press 'Reply'* and type '3' to choose “Remaining data package”
Step 5
The screen will display 3 choices in the menu. Press 'Reply'* and type '3' to check additional Internet Charge.
1 Total remaining data package
2 Remaining data package by pack
3 Internet checking
Step 6
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
Press ’4’ to check Internet balance
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)
  • Interactive USSD * 1 2 1 #
    - Free of charge