Hi sopo89, thanks for your post.
You can update your phone number from here, you just need to click on "Edit" and enter your phone number. If you are being sent a code again in order to complete these changes, and you no longer have access to that phone number, then the only way to update this is by contacting us directly for privacy and security reasons.
If you click here, you can contact us and an agent will look after that for you no problem.
Thank you,
Marco
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