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Please note that costs can arise abroad.
Administrative requests: Mo - Fri 07:00 - 18:30
Requests to malfunctions and errors: always open
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Billing issues: Mo-Fr 07:00-20:00Administrative questions: Mo-Sa 07:00-20:00Disturbances: Open all the time
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0800 80 80 70 (longer waiting time)
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Our 0800 80 80 70 hotline is currently closed for this topic.
Our opening hours are (excl. public holidays):
We will be happy to put you through to one of our employees now.
You can also submit your enquiry on the following form.