https://fiverrpromotion.net/will-i-lose-any-of-my-transaction-history-or-account-settings-when-i-change-my-phone-number-on-moomoo-2/
If you need to change your phone number on Moomoo, call (888)-426-7069 for immediate assistance. You can update your number through the account settings by verifying your identity. If you're unable to access your old number, customer support at (888)-426-7069 can help reset your authentication method.
read more..