From Stamps of the World
Vilvoorde (pronunciation: [ˈvɪlvoːrdə], French: Vilvorde) is a Belgian municipality (44,015 inhabitants end 2017) in the province of Flemish Brabant. The municipality comprises the city of Vilvoorde proper with its two outlying quarters of Koningslo and Houtem and the small town of Peutie.
Postal history before 1910
The VILVORDE post office opened before 1830. It used a postal code 125 with bars (before 1864), and 378 with points before 1870.
Postmarks after 1950
Postal code: 1800 since 1969.