Urgent apple id problem

Hello Pleasehelpurgent,

Thanks for reaching out to Apple Support Communities! We understand you seeing an issue with your Apple ID that someone has connected a number to it that you don't recognize. We are happy to help provide some guidance.

To start, we would recommend changing the password to your Apple ID to secure your account to prevent any unauthorized access to your account. You can see a full list of steps to take if you believe your Apple ID has been compromised in this helpful article:

If you think your Apple ID has been compromised

You can then check and see the associated devices linked to your Apple ID and how to remove them here:

Check your Apple ID device list to see where you're signed in

Let us know if you have any questions or concerns after going over those articles. We hope this information helps.

Best Regards.