Billy-Berclau is a city of the northern France, in département of Pas-de-Calais (zone 62). It belongs to agglomeration of the Artois which gathers 58 communes, that is to say 200,000 inhabitants.
Its postal code is 62138.
Population (1999): 4,295 inhabitants.
March 27 2003, one explosion in the Nitrochimie dynamite factory makes 4 dead. History
