The number which is mentioned above 8004544609 and below is scam numbers. Be aware from this number of – (United States)
They will call you and will try to ask your personal information, make sure not to share any confidential details with anyone and be more cautious with these mentioned numbers – +1 800-454-4609 / 800-454-4609 / +18004544609 / 8004544609 as they can be fraud.
People commented about this number- “Scam robo call. Claims to be from Citibank, saying there’s a suspected fraudulent purchase and you have to call to unlock your card. It’s the same purchase from the same place in every call. One more thing: I don’t HAVE a Citibank card.”