Is Binance 2fa not working properly? 2fa authentication is getting failed again and again after giving several attempts. If yes, fix this error immediately as 2fa is directly linked with the security of Binance. To fix this error instantly, you can dial Binance Customer Service Phone Number which is available 24/7 and is the gateway through which users can fix their queries by taking assistance directly from the bunch of individuals who are experienced and well-knowledgeable in dealing with Binance problems and activities.