Contact
Headquarters
National Institute for the Social Security of the Self-employed
Willebroekkaai 35
1000 Brussels
Tel: 0800 12 018
From abroad +32 2 546 42 11
E-mail: info@rsvz-inasti.fgov.be
Opening hours: Every working day by appointment from 8.30 to 12.00 and from 13.00 to 17.00 (16.00 on Fridays).