Central telephone directory assistance
for the university and college region in Darmstadt

HRZ provides central telephone directory assistance. This is the point of contact for the entire university and college region in Darmstadt.

User groups

The central telephone information desk is available to all TU members, guests, and external individuals.

Service characteristics

Central telephone directory assistance offers...

  • Telephone redirection
  • Information on locations (for suppliers and vendors seeking specific buildings, etc)
  • Telephone services for non-domestic calls (only for employees)
  • Online address book in the IDM portal for finding phone numbers within the TU Darmstadt.
    Note: The online address book is only available for TU members (login with TU-ID).

You can reach us via

Contact
internal: 99
external 06151 16-01
Service hours
Mon – Thu:
09:00 a.m. – 03:00 p.m.
Fri: 09:00 a.m. – 02:30 p.m.

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.

The institutions of the Darmstadt university region include:

  • Technical University of Darmstadt
  • Student Affairs Darmstadt
  • State Materials Testing Institute Darmstadt

The service is free of charge.