Guide for guests / external

To make it easier for you to find your way around our comprehensive range of services, we have put together a special compilation of the most important offers on this page.

For all other questions and requests, please contact the Helpdesk or the Service Point Information (see right column).

Communication and Information Centre (kiz)

Please contact us if you have questions or problems related to the kiz services:

Office hours
Monday - Thursday
09:00 h - 12:00 h and 13:00 h - 15:30 h

Friday 09:00 h - 12:00 h

+49 (0) 731 / 50 - 30000

+49 (0) 731 / 50 - 1230000

Order a Callback
Support Portal

Service Points are locations where you can visit us personally.


Using self-service functions of the Identity Management System (IDM): Administer permissions, subscribe to services, change passwords.

IDM Self Services

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With about 400 keywords you will get direct access to our services. If something isn't listed, please contact our Internet Editorial Office.

A-Z List