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Provincial offices

The NSSO has an extensive network of provincial offices, where you can go to for help or advice on all your questions about social security or your obligations to the NSSO. You can also fill out there your electronic declarations under the guidance of one of our staff.

Our principal offices are open to visitors all working days from 9:00 to 11.30 am. In certain provinces we also have a branch office where you can apply after having made an appointment.

Region

 Address

Phone number

E-mail address

Antwerp

Frankrijklei 81-83
2000 Antwerp

03 220 75 75

DirAntwerpen@onssrszlss.fgov.be

Brussels

Place Victor Horta 11
1060 Brussels

02 509 59 59

DirBrussel@onssrszlss.fgov.be

Hainaut

Rue Verte 13 (1st floor)
7000 Mons

065 22 11 66

DirHainaut@onssrszlss.fgov.be

Limburg

Voorstraat 43
Block A, 1st floor
3500 Hasselt

011 35 08 20

DirLimburg@onssrszlss.fgov.be

Liège

Potiérue 2
4000 Liège

04 340 11 60

DirLiege@onssrszlss.fgov.be

Liège (branch office)

Vervierserstrasse 36/1
4700 Eupen

04 340 11 60

DirLiege@onssrszlss.fgov.be

Namur-Luxembourg

Route de Louvain-la-Neuve 4 box 11
5001 Namur

081 250 260

DirNamurLuxembourg@onssrszlss.fgov.be

Namur-Luxembourg
(branch office)

Rue Docteur Lomry 13
6800 Libramont

081 250 260

DirNamurLuxembourg@onssrszlss.fgov.be

East Flanders

Ketelvest 26/002
9000 Ghent

09 265 41 41

DirOostVlaanderen@onssrszlss.fgov.be

Flemish Brabant

Place Victor Horta 11
1060 Brussels

02 509 59 59

DirVlaamsBrabant@onssrszlss.fgov.be

Flemish Brabant
(branch office)

Philips-site
FAC-gebouw 3 A bus 7
Pleinstraat 135
3001 Leuven

02 509 59 59

DirVlaamsBrabant@onssrszlss.fgov.be

Walloon Brabant

Rue Dangonau 2 (until November 26th)
closed on November 27th
Rue Altiero Spinelli 4 (from November 28th)
1400 Nivelles

067 84 01 54

DirBrabantWallon@onssrszlss.fgov.be

West Flanders

Oude Gentweg 75c
8000 Bruges

050 44 59 60

DirWestVlaanderen@onssrszlss.fgov.be

West Flanders
(branch office)

Kennedypark 19a
8500 Kortrijk

050 44 59 60

DirWestVlaanderen@onssrszlss.fgov.be

Office for seafarers

The NSSO has an office in Antwerp, which is specialized in services for seafarers and shipowners.   

Frankrijklei 81-83
2000 Antwerp

02/509.59.59
contact@rsz.fgov.be

 Visiting hours: 

  • on Tuesdays and Thursdays from 09:00 to 12:00 a.m. and from 01:00 to 04:00 p.m.
  • on Mondays, Wednesdays and Fridays from 09:00 to 12:00 a.m
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