80011-08108 Greek free phone line for general information, operates daily from 08:00 until 15:00 except from Saturdays and Sundays.
OBI’s operating hours: 08.00-14.00 working days.
The venue is accessible and friendly to people with disabilities.
5, Gianni Stavroulaki str. (former Pandanassis str.), 151 25 Paradissos Amaroussiou
Telephone Exchange: ++30 210 6183500, fax: ++30 210 6819231
Email: info@obi.gr
To contact the “One Stop Shop”:
Telephone: 80011-08108, 210 6183580 – 582
fax: 210 6183643, email: info@obi.gr
You can also contact the various OBI Directorates and Departments at the phone numbers that follow, or send your e-mail choosing directly the Directorate / Department of your interest.
| Directorates/Departments | Telephone Numbers |
| Director’s General Secretary | 210 6183538 |
| Filing dept. | 210 6183593 |
| Fees | 210 6183594 |
| Accounting dept. | 210 6183596 |
| Legal / International Affairs | 210 6183597 |
| Technological Information | 210 6183598 – 210 6183554 |
| Search dept. | 210 6183595 |
| Informatics Services dept. | 210 6183517 |
| Library | 210 6183504 |
| Communication dpt | 210 6183599 |