Change mobile number linked to my monzo

I tried to [Change the mobile number linked to monzo account and failed] although I received a verification code which I used to verify my ownership of the number but they send my a message that it could not be done and I should contact the customer service

Could you help me with this, please

Many thanks

You can contact customer service either by searching for it in the app or by sending an email to help@monzo.com.