Contact us
Do you have a question, comment or complaint?
Get in touch with us by e-mail, phone or mail – or pay us a visit.
By e-mail
Send your questions, comments or documents to contact@rsz.fgov.be
By phone
NSSO Contact can be reached on 02/509.59.59, Monday to Friday from 8 am to 6 pm.
(Outside these hours, you can request a callback. NSSO Contact will return your call the following day.)
By post
Send your questions, comments or documents by post to:
National Social Security Office
Place Victor Horta 11,
1060 Brussels
Our office
You can visit our office in Antwerp:
Sint-Katelijnevest 54/8
2000 Antwerp
Our opening hours are:
- Tuesday, Wednesday and Thursday from 9am to 12.30pm or by appointment.