Phone service and iMessage/facetime
Why is my number not available and it wants me to take it off my iMessage?
iPhone 11, iOS 14
Question marked as
Have you. added the phone number to your Apple ID? You need to change/add the number on your Apple ID. Look in the Security section when signed in online. You may have to add the new number before you can remove the old number. After the change, allow up to 24 hours for the change to sync. Before trying to make the change, sign out of Messages/FaceTime on all devices/computers.
See the Apple Support article(s) below. Link to contact Apple Support at the end of the article.