The Meridianbet USSD application is completely separate from the Meridianbet.co.tz website and mobile app.
To deposit funds into your USSD wallet, please enter business number 777111 with your mobile number as the reference.
How to deposit money into your Meridianbet account using Airtel Money
You may only top up from your own TIGO Pesa account
Place your selection and pay for your ticket directly from Tigo Pesa
Enter business number 777111 with your mobile number as reference
USSD Betting with Airtel USSD