paris 123Something of an institution since 1983, Maison 123 is now moving towards iconic, tailored pieces with a fashion-forward feel. In its Parisian desn studio, the brand works passionately on chic,Adresse. 123 Boulevard Voltaire, 75011 Paris. Métro Voltaire (M9). Aide & contact. Contactez nous. Tél. : 01.48.87.13.42. Mentions Légales Réalisation : S.M.G..