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

By phone

Overseas Social Security Contact can be reached on 02 509 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.

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