How do I update new phone number to my Apple ID account?

See this on how to update your trusted phone number that you use with your Apple ID

1. Go to Settings  > [your name] > Sign-In & Security, then tap Two-Factor Authentication.
2. Tap Edit (above the list of trusted phone numbers), then enter your device passcode when prompted.
3. Do one of the following:

• • Add a number: Tap Add a Trusted Phone Number, then enter the phone number.
  • Remove a number: Tap  next to the phone number.

1. When you’re finished making changes, tap Done.