You can drop in at our office during our visiting hours, from 9.00 am to 12.00 noon at the following address: Victor Hortaplein 11, 1060 Brussels.
Please note ! We recommend making an appointment when you visit the OSS. That way we can guarantee the presence of an expert. Contact us on +32 2 509 90 99.
Read our page about the measures taken by the OSS in the aftermath of this coronacrisis.
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Contact usthrough our contact page
Contact us
By e-mail
Send your questions, comments or documents to overseas@onss.fgov.be
By phone
Overseas Social Security Contact can be reached on +32 2 509 90 99, Monday to Friday from 8.30am to 5.00pm.
(Outside these hours, you can request a callback. Overseas Social Security Contact will return your call the following day.)
By post
Send your questions, comments or documents by post to:
NSSO | Overseas Social Security
Victor Hortaplein 11
1060 Brussels
Our office
You can contact us at our visiting hours, from 9.00am to 12.00pm, at the following address: Victor Hortaplein 11, 1060 Brussels.