Limited services during the Christmas period
Our offices will be closed to visitors from 25 December 2024 up to and including 1 January 2024.
However, you can reach us by phone on 27, 30 and 31 December 2023 between 9am and 3pm Belgian time on +32 2 509 90 99 or by mail to overseas@onss.fgov.be.
Limited services during the Christmas period
Our offices will be closed to visitors from 25 December 2024 up to and including 1 January 2024.
However, you can reach us by phone on 27, 30 and 31 December 2023 between 9am and 3pm Belgian time on +32 2 509 90 99 or by mail to overseas@onss.fgov.be.
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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.