Waterloo is a municipality (29,731 inhabitants in 2013) located in the province of Walloon Brabant, at the border with the Flemish Brabant. The 18 June 1815 Battle of Waterloo took place south of the municipality, but the Duke of Wellington had its headquarters in Waterloo center. The WATERLOO post-office opened in 1835. It used a Distribution postal code 58 with bars (before 1864) and 392 with points before 1874.
Postmarks after 1950
Postal code 1410 since at least 1984.