Telephone Numbers
- Helpdesk: +43-1-4277-15140
- Reference desk: +43-1-4277-15101
- Lending department: +43-1-4277-15120
- Inter-library loans: +43-1-4277-15130
- Textbook collection: +43-1-4277-15150
- Old and valuable books: +43-1-4277-15080
- Serials reading room (Teinfaltstrasse): +43-1-4277-15160
