More than half (59%) of consumers admit they would be more likely to switch banks if they could keep their account number, according to a survey by Which?.
Around two-thirds of people (63%) support the introduction of portable account numbers and 76% believe that not having to change their details would make the process of switching much easier.
The findings come as representatives from Lloyds, RBS, Barclays, HSBC, Metro Bank and Virgin Money meet with members of the Treasury Select Committee and the British Bankers' Association at an event hosted by the consumer watchdog to encourage them to introduce portable account numbers.
Benefits of portable accounts
Which? believes that portable account numbers would remove the need for people to change existing direct debits and standing orders, thus making the process of switching banks as easy as changing a mobile phone provider.
It said this would increase competition and create better products that would benefit the customer.
In addition, the watchdog suggested that advantages could include changes to the agency-clearing service that would make it easier for smaller banks to start up.
Which? executive director Richard Lloyd said: "One of the most important ways that consumers can influence the broken banking culture in this country is by voting with their feet and switching to another bank.
"Yet half of consumers have never changed current accounts."
Switching account can be an attractive proposition, what with all the eye-catching introductory offers and access to new services. However, you should always think carefully before taking the plunge.
Be sure to shop around and weigh up all your options, as changing to the right account can actually make you money.
But don't be distracted by offers that give you cash up-front. Instead, think about what you're getting in the long run. Stay savvy and keep a look out for any unfair charges that you could incur in the future.