HDFC 24 Hours Customer Care Numbers HDFC Bank 24*7 Credit Card Customer Care Number by City Cities Customer Care Number Ahmedabad 6160 6161 Bengaluru 6160 6161 Chennai 6160 6161 Delhi / NCR 6160 6161 Hyderabad 6160 6161 Mumbai 6160 6161 Kolkata 6160 6161 Pune 6160 6161 Patna 1860 266 6161 Lucknow 6160 616 Chandigarh 6160 … Continue reading HDFC Bank Credit Card Customer Care Number