https://community.myearfun.com/threads/does-moomoo-send-a-verification-code-to-my-new-phone-number-when-i-update-it-1-888-426-7069
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.
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