IOB Credit Card Customer Care Number

Indian Overseas Bank (IOB) is a major public sector bank in India, established in 1937. They have a wide network of branches across India, along with a few overseas locations. They offer a variety of financial products that include loans and credit cards.

If you're an IOB credit card holder facing issues with your card activation, billing statements, reward points, or any other credit card-related issues, reach out to the IOB credit card customer care. You can contact them by calling the toll-free number 1800 425 7744 or visiting their website for further information and online support options.

If you need to block your Indian Overseas Bank (IOB) credit card due to loss, theft, or any other security concerns, immediately call the toll-free number 1800 425 7744 or visit the nearest IOB branch to report the loss or theft.

Provide the necessary card details and follow the instructions to ensure prompt blocking and prevention of unauthorized usage.

IOB Bank Credit Card Customer Care Numbers

The Indian Overseas Bank credit card services provides a dedicated customer care number for its credit card holders to assist them with any queries, concerns, or issues they may have. IOB credit card customer care number is available for 24/7 customer support and assistance.

You can reach out to them through the toll-free numbers.

IOB Credit Card Customer Care Number Type
18004257744 For Credit Card (toll-free number)
044 28519574/ 044 28519574/ 044 28519575 For Credit Card (non-toll-free number)
1800 425 4445/ 1800 890 4445 For General Enquiries (toll-free number)
1800 425 3402 For Complaints (toll-free numbers)
Note: Depending on your location and calling plan, calling these non-toll-free numbers may incur charges.

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IOB Credit Card Customer Care Email

For concerns related to the bank's credit card products and services and for handling general inquiries, you can also directly contact the bank's credit card division by email using the following details.

IOB Credit Card Customer Care Email

Indian Overseas Bank is committed to promptly addressing your concerns and providing the necessary guidance and support for maximizing your credit card experience.

Block Lost / Stolen IOB Credit Cards

There are two ways to block a lost or stolen IOB credit card:

  • By phone: Call IOB's 24-hour helpline at 1800 425 7744. You will likely be prompted to go through an automated system (IVR) before speaking to a customer service representative. Make sure to have your registered mobile number handy as you may be required to verify your identity.
  • Online: Log in to the IOB Credit Card customer portal and block the card yourself. You can find the credit card customer portal link on the IOB website.

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Indian Overseas Bank Credit Card Inquiries

For any inquiries related to Indian Overseas Bank (IOB) credit cards, you can contact the relevant departments using the following information:

1. Customer Services Department, Chennai

  • Officer: Shri Hari Raman (Dy. General Manager)
  • Phone: 044-28519511
  • Email:

2. Credit Card Department

3. General Manager, Customer Service Dept.

Also, prioritize the security and confidentiality of your credit card number to mitigate the risk of fraud or unauthorized usage. If you have any concerns or require further assistance, don't hesitate to contact Indian Overseas Bank's customer service or credit card department.

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IOB Credit Card Grievance Redressal

Indian Overseas Bank is committed to providing excellent customer service and has established a transparent mechanism for handling grievances and complaints related to credit cards. Here are the steps for filing a grievance:

Step 1: Contact Branch Manager

You can either call your Branch Manager at the branch where you hold your account or submit a complaint in the Complaint Register that is provided by the Branch Manager.
Your complaint will be resolved within a week.

Step 2: Regional Manager

If you are not satisfied with the solution provided by the branch, reach out to the regional manager via email or written letter.
They will send a response within 7 days.

Step 3: General Manager, Customer Service Dept

If the regional manager does not resolve your complaint, you can choose to communicate your concerns by writing a letter or sending an email to the general manager. The customer service department serves as the nodal officer for public grievances at the central office.
You will receive a resolution within 7 days.

Step 4: Banking Ombudsman

If you are still not satisfied after following the previous steps, you have the option to approach the Banking Ombudsman, which was established by the RBI under the Banking Ombudsman Scheme 2006.

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Frequently Asked Questions

There are two main ways to contact IOB customer care: by phone at 1800 425 4445 (toll-free) or by email at

You can either visit the Indian Overseas Bank website and enter your application reference number and date of birth, or you can call their customer care number at 1800 425 4445.

You can close your IOB credit card by contacting the bank through their toll-free helpline number (1800 425 7744) or visiting your local branch. Make sure to clear any outstanding dues before closure.

To permanently cancel your credit card, first pay off any outstanding balance and contact your credit card issuer by phone or mail. They will guide you through the cancellation process.

Based on the information available online, it seems IOB account closure cannot be done online. You will need to visit the branch where you opened the account and submit a closure request form.

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