Hi Tee178,
Since you posted question in the Microsoft 365 Business category, therefore I would like to double confirm whether you are using Microsoft 365 Family/Personal subscription or Microsoft 365 Business subscription.
May I know which account do you want to rectified? Please provide us with the detailed information including screenshot about this.
If you are using Microsoft 365 Business subscription, you may contact our dedicated phone support team. Here is the official article about Global Office 365 Phone Support numbers. See under Phone support
Moreover, if it is Microsoft 365 Family/Personal subscription then please access the link https://support.microsoft.com/contactus to contact the dedicated Microsoft 365 Family/Personal billing support team they will further assist you.
Regarding this point, we would truly appreciate your kind understanding.
Best regards,
Shyamal
