Halifax has warned its customers of a sign a phone call may be fake after a customer reported a potential phishing call purportedly from the bank.

The saver got in touch over X to ask: “Are you ringing up account holders from 0800 numbers to discuss whether you could make better use of my money?

“The reason for my query is that I have just received a call from a lady with a west country accent addressing me by name.

“I asked how could I know she was from the Halifax as it was an 0800 number and…