This was the case when I lived in Switzerland as well. My address was just my name at the building's address. There were 12 units in the building and I don't b

This was the case when I lived in Switzerland as well. My address was just my name at the building's address. There were 12 units in the building and I don't believe they had numbers. The occupants attached their names to the mailboxes outside the building so the mail carrier knew which box to put things in.