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 How do I update my personal details? Where can I change my account info? Can I reset/deactivate my account? I am an existing McDelivery® user and don’t have a password. How do I sign in? Why can’t I track my McDelivery order when using Guest Login?