Add or change your phone number
Most customers can do this online
- Our app is the simplest way to change your phone number.
- It can be done in just a few short steps.
- It gives you an extra layer of security when you shop or bank online.
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If you are an MBNA credit card or loans customer, you can contact us to change your number.
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If you’ve changed your address, please contact us on 0345 266 6679 to let us know. Lines are open Monday - Friday (8am - 6pm) and Saturday (9am - 1pm).