Please create a new billing support request. Below is link to open new billing support request in portal:
It will look similar to below sample screenshot:
Enter summary, select Problem type, select Problem subtype, then click Next. After a delay, some potential solutions will be shown. Click Return to support request as shown below:
This will return you to the recommended solution tab. Click Next, as shown below:
Fill out the information on the Additional details tab making sure your email address/phone are correct, click Next, then finally click Create. At this point your support request will be created and you should receive a Case email from Microsoft Support and will be contacted in near future by support engineer.
If the above was helpful, please click Accept Answer.