| Helpline | ||
| Toll Free Number | 1800 103 0123 | |
| Other ATM Queries | hoatm.calcutta@ucobank.co.in | |
| E-banking related queries | hoe_banking.calcutta@ucobank.co.in | |
| Customer Grievances | hosp.cscell@ucobank.co.in | |
| M-banking related queries | uco.mbanking@ucobank.co.in | |
Debit Card Hotlisting
| Option | SMS Format | Example | SMS to be sent on |
| 1 | HOT | HOT | 9230192301 |
| 2 | HOT<space><last 4 digit of card no.> | HOT 1234 | |
| 3 | HOT<space><14 digit account no.> | HOT 12345678901234 |
UCO Secure Mobile App
Alternatively, customers can download UCO Secure app from Play Store/App Store for “instantly blocking/unblocking” any digital banking service (m-banking, e-banking, debit card, UCO-UPI, UCOPAY+(e-wallet)) anytime, anywhere.”
