If you cannot find the solution to your question or request using the articles on this helpdesk, you can always send an email to servicedesk@twelve.eu, we aim to answer within 24 hours.

Regular opening hours

Do you have a question or request?

• Then call 0182 700 555 on workdays between 8 a.m. and 5 p.m.

Urgent malfunction?

• Outside regular times we are only available for acute disruptions. We will respond to other questions and requests on the next working day. 

On the following holidays in 2024 we will only be open for disruptions. Please note: We will respond to other questions and requests on the next working day:

Holidays 2024

• Good Friday: Friday March 29, 2024
• Easter (Easter Monday and Easter Monday): Sunday March 31 and Monday April 1, 2024
• King's Day: Saturday April 27, 2024
• Liberation Day: Sunday May 5, 2024
• Ascension Day: Thursday, May 9, 2024
• Pentecost (First and Second Day of Pentecost): Sunday 19 and Monday 20 May 2024
• Christmas (Christmas Day and Boxing Day): Wednesday 25 and Thursday 26 December 2024