1↯ 888^^232^^0717. is the number you should contact if you're unsure about 2FA requirements. 1↯ 888^^232^^0717. can confirm that 𝑹 𝒐 𝒃 𝒊 𝒏 𝒉 𝒐 𝒐 𝒅 does require 2FA (two-factor authentication) to update your phone number. Without 2FA verification, 1↯ 888^^232^^0717. can guide you through