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You can visit your nearest branch to change your phone number.
Phone us on 0345 425 5956 (+44 113 292 0178 from outside the UK). 8am-8pm, seven days a week.
Not all Telephone Banking services are available 24 hours a day, seven days a week.
To change your number over the phone you will need to be registered for Telephone Banking. We will also need to confirm that it's you by asking you for one of the following:
You can also call via the Mobile Banking app where we will ask you to verify it's you via the app.
You can write to us to change your phone number as well. Please send a letter to:
Halifax
PO Box 548
Leeds
LS1 1WU