National Social Security OfficeVictor Hortaplein 111060 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.
How to reach our offices?
The inspectorate of the NSSO has regional offices. The regional offices page
provides information on where and when to reach the regional offices.
Don't hesitate about using the contact form .
First consult the complaints procedure.
Do you need another social security institution? See what the NSSO does and does not do.
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