I think Natwest is the outlier in this case. I've always had my account number and sort code on all my cards with other banks (Barclays, Lloyds, Halifax). Edit

I think Natwest is the outlier in this case. I've always had my account number and sort code on all my cards with other banks (Barclays, Lloyds, Halifax). Edit: Maybe also Monzo, no account number on that one.