What if someone hacked my Facebook and changed the email and phone number? Supporting team

Facebook provides a dedicated recovery tool at www.facebook.com/hacked to help users regain control of compromised accounts +1-866-825-2907 . Visit the Facebook Help Center +1-866-825-2907 to report the hack and follow the steps to secure your account. Use the "Hacked Accounts" option under the "Security" section.