If you are wondering how to check your balance with Telekom, there are three different options you can try:SMS: Enter the combination *100# on your cell phone and confirm the entry with Call / Pick up handset. Your current account balance will then be displayed directly. This option is free of charge within Germany and abroad.Phone call: If you prefer to check your Telekom credit by phone, you can do so via the account service by dialing the short code 2000 (within Germany). Please note that additional charges may apply when calling from abroad.Online: The current Telekom prepaid credit can also be easily viewed via the MeinMagenta app or the customer service (in German).