Can I change my contact number online? June 16, 2022 04:14 Updated Yes, you can do that by logging into your account, tap on 'My Account' and change your number under 'Account settings'. Related articles Can I reset/deactivate my account? How do I update my personal details? Where can I change my account info? I am an existing McDelivery® user and don’t have a password. How do I sign in? I’ve forgotten/cannot log in with my email address registered previously on McDelivery.com.sg. What must I do?