Make sure you're ready for Mobile Banking
What you need to get started
- Your Online Banking customer number
- A UK mobile number starting 07
- Download the app - It is available on iOS, Android, Windows & BlackBerry
To use the mobile app, you need to be set up for NatWest Online Banking. When you sign up for this, you will get a customer number which is your date of birth (DDMMYY) followed by 4 digits.