imessage wrong phone number

Hi there susancriner19,

Thank you for posting to Apple Support Communities.

We understand that iMessage is reflecting the wrong telephone number. We'd like to help.

Are you familiar with the telephone number? If you're not, it's suggested to change your Apple ID password: Change your Apple ID password - Apple Support

Here's how you can remove the telephone number:

• "On your iPhone, go to Settings > Messages > Send & Receive. Select your Apple ID at the bottom of the screen and tap Sign Out. Then go to Settings > FaceTime, select your Apple ID and tap Sign Out.
• If the phone number that you want to remove belongs to an iPhone that you can't access, change your Apple ID password. This removes all phone numbers from your iPad, iPod touch, and Mac. Calls or messages for the removed numbers won't appear on those devices anymore."

Add or remove your phone number in Messages or FaceTime - Apple Support

If you're still having an issue, we recommend contacting Apple Support: Contact Apple Support

Take care.