Contact
National Social Security Office
Victor Hortaplein 11
1060 Brussels
Telephone: +32 (0)2 509 31 11
Monday to Friday from 8.30 to 17.00
Fax: +32 (0)2 509 30 19
Visiting hours: Monday to Friday from 9.00 to 11.30 or by appointment.
In your neighbourhood
The inspectorate of the NSSO has regional offices. The regional offices page
provides information on where and when to reach the regional offices.
What the NSSO does and does not do
Do you need another social security institution? See what the NSSO does and does not do.