I would like to change my contact details following a company address change, without changing my SIRET, what do I do?

If you change your address without changing your SIRET, please send a signed letter with your references (Colissimo Entreprise account number and/or SIRET) and your new address to the following address:

LA POSTE - COLISSIMO
Service Administration des Ventes
9 rue du colonel Pierre Avia
CP A 309
75757 Paris cedex 15