How to block a lost Citibank credit card immediately?
Mahesh Pai
Asked 1 May 2026
27
I lost my Citibank credit card. What is the fastest way to block it through the app or customer care to prevent misuse?
1 Answer
Accepted
23
Kavita Nonglait·13 May 2026
I had the same dilemma. The way I decided was: list down my top 3 monthly spend categories, calculate the rewards on each card, and pick whichever gives the highest cashback on MY pattern. Generic 'best card' lists are useless for personal decisions.
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