Can I sign up to Plum if I live outside of the UK? Plum October 19, 2017 14:40 Updated Follow You will need a UK postcode and bank account to sign up. Related articles Can I sign up to Plum without a Facebook account? How much does Plum cost? What will happen to my savings if I pass away? What is the interest rate on my Plum savings? How can I refer a friend? Comments 0 comments Please sign in to leave a comment.