Contact UCO Bank Customer Care for all inquiries. Check 24x7 helpline number for loans, cards, savings accounts, net banking, mobile banking & more UCO Bank Credit Card Customer Care - Check 24x7 Toll-Free Number , Email ID & Address through out India to Book a Complaint, Raise Issues & Feedback. UCO Bank Customer Care helpline with toll-free number , email ID, and complaint support. Get quick assistance for banking services, loans, and account-related queries. Are you searching for UCO Bank customer care number ? UCO Bank is one of the most reliable nationalized banks in the country. It offers excellent customer care support to its users.