Here you will find the USSD codes for Vistream in Germany. Note that these USSD codes will only work on their network. There are not many option however it is in line with operators such as the USSD codes of Simyo as well as the USSD codes of Aldi Talk.
USSD codes for Vistream
You can use the USSD codes with Vistream such as checking your balance as well as charging a prepaid card. There are very few options available which you can use.
|* 100 #||Check account balance|
|* 101 * recharge code #||Charge the account with a prepaid card|
|* 111 #||Call your own number|
|* 123 * phone number #||Manual callback abroad *|
* Use the international format.