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How to update your personal details

Need to update your account details? You can make most changes yourself, either in the Three app or logging in to your account.

Changing your title, name, date of birth or email address 

If you need to change your title, name, date of birth, or email address please get in touch with us and we’ll update your account details.

Changing your billing address

Need to change your address? All you need to do is log into the Three app or My3 and go to My details. Under My addresses and tap Edit/Add. Enter your new address and follow the on-screen steps. You can also update a British Forces Post Office address from here. 

Important: You can’t use a PO Box as your billing address. You can add a temporary foreign residence as a backup address, but you must still be a UK resident. 

Changing your contact number

You can change or add a contact number on the Three app or My3 by going to My details, then About me. We’ll use your primary contact number to send you important account information, so it should always be a valid UK mobile number. 

Still stuck?

If you need more help with anything, start a Live Chat to talk to one of our advisors.

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