Established in 1991, La Poste focuses on the letter and parcel delivery service, logistics service, and financial service which has 17000 post points to deliver. Besides, it runs over more than 200 subsidiaries in the world nowadays and ranked 434 in the “Fortune” 500 rankings in the world in 2018.
You can refuse to pick up your parcel when delivering and return it to the sender.
You can claim from the carrier if your parcel was found to be opened and damaged.
You can’t track where your parcel is if having no tracking number.
You can try to find the tracking number from the barcode or the invoice.
You should ask the seller or the carrier for help directly by providing some personal information (for example, phone number, ID card number)about yourself to find the tracking number.