AU Credit Card – How To Block & Apply For Replacement?
- Updated On: 5 January, 2026
Imagine you’re on vacation, and suddenly, you realize your AU credit card is missing. Panic sets in as you think about the chance of somebody stealing it and making unauthorized transactions. Blocking your credit card becomes a mandatory step to protect your finances. This scenario highlights the importance of knowing how to block your card quickly.
Blocking your AU credit card is not only beneficial but often necessary in today’s world. With the rise of online fraud and identity theft, taking immediate action can prevent financial losses. By blocking your card, you can secure your personal information and make sure that no one can misuse your account.

Many people hesitate when it comes to blocking their credit cards, fearing disturbance or complications. Whether it’s through the AU mobile banking app, internet banking, or customer service, the process is easy and quick.
Different Methods to Block Your AU Credit Card
There are instances where blocking your AU credit card is necessary to guarantee the safety of your finances. Fortunately, AU offers multiple methods to block your card quickly and in simple ways:
Through the AU Mobile Banking App
The AU 0101 mobile banking app provides a user-friendly interface to manage your account, including the ability to block your credit card.
- Open the AU 0101 App and log in to your account.
- Navigate to the section for credit card management.
- Select the credit card that you wish to block.
- Follow the prompts to block the card. The app will usually provide a confirmation once the card is blocked.
Via Internet Banking
If you prefer to manage your finances through a computer, you can block your credit card using AU’s internet banking services.
- Visit the AU official website and log in to your internet banking account.
- Go to the credit card section.
- Choose the option to block your card.
- Confirm your choice, and you will receive a notification that your card has been successfully blocked.
Calling Customer Care
In emergencies where you cannot access the mobile app or internet banking, calling AU’s customer service is a reliable option.
- Dial the customer care number (usually provided on the back of your credit card).
- Follow the prompts to reach the credit card department.
- Provide your necessary details (such as your credit card number and identification) to the representative.
- Request to block your credit card, and the representative will assist you in completing the process.
Visiting an AU Branch
If you prefer face-to-face communication, or if the situation calls for it, you can visit your nearest AU branch.
- Bring valid identification and your credit card (if possible).
- Approach a bank representative and inform them about your need to block the card.
- Complete any required forms and provide the necessary details.
- The bank staff will assist you in blocking your card immediately.
How to Replace Your AU Credit Card?
Once you’ve blocked your AU credit card, you may want to apply for a replacement card. The process is simple and can usually be completed quickly.
Online Request Through Mobile Banking
The AU mobile banking app allows you to apply for a replacement card with just a few taps.
- Log in to the AU 0101 Mobile App.
- Navigate to the credit card option.
- Choose “Request Replacement Card.”
- Follow the prompts to complete your application.
Request via Internet Banking
If you’re using internet banking, you can also apply for a replacement card online.
- Log in to your AU internet banking account.
- Go to the credit card management section.
- Select “Request Replacement Card.”
- Fill out any required forms and submit your request.
Through Customer Service
You can call customer care to request a replacement card, especially if you have additional questions.
- Dial the customer care number.
- Speak to the representative and explain that you need a replacement card.
- Provide your identification and any other details they ask for.
- Follow any instructions given by the representative.
In-Person at an AU Branch
If you prefer in-person service, visiting an AU branch is another option to apply for a replacement card.
- Bring identification and any related paperwork.
- Inform a bank representative about your need for a replacement card.
- Fill out the necessary forms provided by the bank.
- Once submitted, the bank staff will process your request.
FAQs:
Is there a fee for blocking my AU credit card?
No, there is no fee associated with blocking your AU credit card. It’s a free service provided to ensure your financial security.
What documents do I need to provide for a replacement card?
Generally, you’ll need to provide identification, such as an Aadhaar card or passport, and any other details requested by customer service or bank staff.
Is it safe to apply for a replacement card online?
Yes, applying for a replacement card through the AU Mobile Banking App or their internet banking is safe, as these platforms use high-security measures to protect your information.
Can I block multiple AU credit cards at once?
Yes, if you have multiple AU credit cards and need to block them, you can do so using the app or internet banking by following the respective steps for each card.
Can I unblock my AU credit card after I’ve blocked it?
No, once your card is blocked, it cannot be unblocked. You will need to request a replacement card to regain access to your credit facilities.
