Registration of a foreigner (non-Belgian)
You are a foreign citizen (non-Belgian) and you wish to establish your residence in the city of Brussels? Then you must present yourself for registration at the municipal administration of the City of Brussels within 8 days following your arrival in Belgium.
Please check the exact municipality of your place of residence. The postal codes of the City of Brussels are: 1000, 1020, 1120 and 1130. Please note: certain addresses in 1050 (1051) and 1040 (1041) are also located in the City of Brussels.
For certain categories of foreigners, a proof of payment of a federal tax (fee) is required. More info: Immigration Office.