If you are in Belgium then you need to speak to the US embassy staff in Brussels if you are in need of consular assistance. This can be to apply for a US passport, register a marriage, register a birth or even a death. Speak to the staff about what they can do for you.
If you wish to visit the US then you can apply at the US embassy in Brussels for a US visa. This can be a business visa, tourist visa or a number of other US visas which are available. We have a map to the embassy below as well as the contact numbers, street address of the embassy all listed below the map.
US Embassy in Belgium
Regentlaan 27 Boulevard du RÃ©gent,
Phone: (32-2) 811-4000
Fax: (32-2) 811-4500
Hours: Monday through FridayÂ 9:00 to 6:00 p.m