Lost your IOB debit card or suspect fraud? Don’t wait — block it immediately to secure your money. Indian Overseas Bank offers multiple, 24×7 methods to help you block your ATM card instantly.
Here’s how you can block your IOB ATM/debit card quickly and safely.
Ways to Block IOB ATM/Debit Card
| Method | Action | Availability |
|---|---|---|
| 📞 Toll-Free Call | 1800 425 4445 or 1800 890 4445 | 24×7 |
| 📩 SMS | Send BLOCK XXXX to 8424022122 | 24×7 |
| 📱 Mobile App | Use IOB mBanking Plus App | 24×7 |
| 💻 Internet Banking | Use IOB Net Banking Portal | 24×7 |
| 🏦 Branch Visit | Submit a written request with ID | Working hours only |
Method 1: Call IOB Customer Care (Toll-Free)
Call IOB’s 24×7 toll-free numbers:
- 📞 1800 425 4445
- 📞 1800 890 4445
Follow the IVR prompts or speak to a representative. Be ready to provide:
- Your account number or card number
- Some personal verification info
Once verified, your card will be blocked instantly, and you’ll get an SMS confirmation.
Method 2: Block ATM Card via SMS
From your registered mobile number, send this SMS:
scssCopyBLOCK XXXX
Replace XXXX with the last 4 digits of your debit card.
Send to: 8424022122
You will receive a confirmation message once your card is blocked.
Method 3: Block via IOB mBanking Plus App
- Log in to the IOB mBanking Plus mobile app
- Tap on “Cards” or “Card Management”
- Choose your debit card
- Select “Block Card” or “Hotlist Card”
- Confirm with OTP
Download the app from Google Play or App Store
Method 4: Block via Internet Banking
- Log in to https://www.iobnet.co.in
- Go to “Debit Card Services”
- Select “Hotlist Debit Card”
- Choose your card and confirm using OTP
Method 5: Block Card at Branch
If you can’t access phone or internet services:
- Visit your nearest IOB branch
- Carry a valid ID proof (Aadhaar, PAN, etc.)
- Fill out and submit a card block request form
- The bank will block the card and issue confirmation
How to Get a Replacement Card
After blocking, request a new ATM card via:
- IOB mBanking App
- Internet banking
- Customer care
- Branch visit
Delivery: Typically 5–7 working days
Fee: Replacement charges may apply (₹100–₹200 + GST)
FAQs
Q1: Can I unblock a blocked card?
A. No. Once blocked, an IOB debit card cannot be unblocked. You’ll need to apply for a new one.
Q2: Will my UPI or auto-debits stop?
A. Yes. If your card is linked to UPI or recurring payments, those services will stop. You must link the new card after activation.
Q3: Is card blocking available 24×7?
A. Yes, through phone, SMS, app, and net banking. Branch blocking is only during working hours.
Key Takeaways
- Block IOB ATM card instantly via SMS, call, app, or online banking
- Use SMS:
BLOCK <last 4 digits>to 8424022122 - Once blocked, apply for a new card through app, net banking, or branch
- Always act quickly to avoid misuse
