The OFPRA is located at 201 rue Carnot in FONTENAY SOUS BOIS (93). Phone number: 01.58.68.10.10. The offices are open to the public from 9am to 5pm. The access by public transportation, take the RER line A or E and get off at the "Val de Fontenay " station. Click on the following link to access their site:
Ofpra .