The customer service telephone number of parcels in France Post Office is 363 1, which includes colissimo, and has also reported mails or parcels in other ways. But to make a phone call in France, you need to use a French fixed line or a mobile phone, and you must be able to speak French. There are many voice options ahead, so you should be patient. It takes a long time to find the right option or find someone to answer the phone. In addition, only working days and working hours are available.