Due to the current security review on Log4J, the online information service has been deactivated as a precaution. We are currently checking if and when a restart is possible. Until then, TU employees can use the to find the phone numbers of other employees. Other users please contact the central telephone information service mentioned below. IDM-Portal
The central telephone information desk can be contacted by all TU members, as well as guests and external persons.
Central telephone directory assistance offers...
- Telephone redirection
- Information about locations (e.g. for suppliers and vendors, who are looking for specific buildings etc.)
- Telephone services for non-domestic calls (only for employees)
- in the IDM portal for finding phone numbers within the TU Darmstadt. Online address book
Note: The online address book is only available for TU members (login with TU-ID).
You can reach us via
Mo – Thu:
||08:00 – 16:30 o'clock|
|Fr:||08:00 – 14:00 o'clock|
Callers who do not know any number that is assigned to our college and university region, or who might be calling a number that is no longer in service, will automatically be redirected to HRZ central directory assistance.