C Chez Bossard Supermarkets & Bakeries · Nantes seen online on 17.08.2026 how we verify The phone number of Chez Bossard (supermarkets & bakeries in Nantes) is +33 2 40 20 37 00. Call +33 2 40 20 37 00 Visit website Opening hoursTu-Su 07:00-19:30 Phone+33 2 40 20 37 00 Open in Google Maps / directions