Yes, use the Account Setting section to change or add a phone number for your account.
To change your phone number:
- Tap the avatar in the top left corner of the app's Home page.
- Swipe up and tap Settings then tap Account Settings.
- Tap the Account Holder section (this is the first line of Account Settings and shows the account name).
- Swipe up until you reach the Phone Number(s) section.
- Tap Phone Number to change the current number. Tap Add Another Phone Number to add an additional number.
- Tap Continue to answer any additional questions and save your changes.