How to Activate Your Union Bank Debit Card

A newly issued Union Bank of India debit card must be activated before its first use. You can activate it through internet banking, the Union Bank mobile app, an ATM, or by calling customer care — all methods take under 5 minutes.

📋 Quick Reference

Bank	Union Bank of India
Card Types	RuPay, Visa, Mastercard debit cards
Activation Methods	Net banking, mobile app, ATM, phone
Customer Care	1800 22 2244 (toll-free)
App	Union Bank Mobile Banking (UnionMobile)

✅ Step-by-Step Fix

Via ATM (Recommended)

Insert your new card at any Union Bank ATM. Enter your 4-digit PIN (set via the PIN mailer or green PIN). Your card activates on first successful PIN entry.

Via Net Banking

Via Union Mobile App

Open the UnionMobile app → Services → Card Management → Activate Debit Card → authenticate with MPIN or biometric.

Via Customer Care

Call 1800 22 2244 (toll-free, 24/7). Follow the IVR to select Debit Card → Activation and verify with your registered mobile number OTP.

Set a New PIN (if needed)

If you did not receive a PIN mailer, use Green PIN generation: ATM → More Options → PIN Change → enter OTP sent to registered mobile.

Test the Card

Make a small online purchase or balance enquiry at an ATM to confirm the card is active.

❓ Frequently Asked Questions

What is the default PIN for a new Union Bank debit card?

There is no default PIN. You must set a PIN using the PIN mailer received by post or via the Green PIN method at an ATM.

My Union Bank debit card is still blocked after activation?

Call 1800 22 2244 — the card may be blocked by the system. A representative can unblock it after identity verification.

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How to Activate Union Bank Debit Card Online & Offline