Ce bâtiment ne semble plus accueillir La Poste.

This post office (1000 Lausanne Grangette) moved to the following address:

Chemin des Eterpeys 14
1010 Lausanne

https://places.post.ch/poi/Office-de-poste-agence-postale/Chemin-des-Eterpeys-14/1010/Lausanne/001PST_001114510/fr