3+ Ways to block your bank card QUICKLY

icon calendar14/04/2025

When a bank card is lost or information is suspected to be leaked, blocking the card immediately is a necessary action to prevent unnecessary losses. With 3 How to block bank card The following quick and simple steps will help you successfully ensure the safety of money in your account. Let's take a look now!

Note: The data and information in the article are compiled from general market sources and do not apply specifically to SeABank's products or services.

1. Cases where bank card blocking is required

Bank cards help you withdraw money and shop conveniently and quickly. However, in certain cases, you need to block your card early to ensure money is in your account. Specifically: 

  • Lost or stolen card: When the card is lost or stolen, thieves can take advantage of it to withdraw cash or make unauthorized online shopping transactions, causing financial loss to you. Locking your bank card quickly will help prevent thieves from using the card, protecting your account from unauthorized access.
  • Suspected account information disclosure: If you suspect your account information has been exposed, such as receiving suspicious messages or emails, or discovering strange transactions in your account, block your card immediately, to avoid losing money.
  • No need to use: When you no longer use the card or want to switch to another card type, locking the old card will help you avoid unnecessary fees such as annual fees and maintenance fees.
  • ATM card is expired: ATM cards have a certain expiration date. When the card expires, if you continue to use it, transactions may be declined and blocking the card is a good idea.
Nên khóa thẻ ngân hàng khi bị mất thẻ, thông tin thẻ bị lộ hoặc không có nhu cầu sử dụng.
You should lock your bank card when your card is lost, your card information is leaked, or you don't need to use it. 

2. 3 Cách khóa thẻ ngân hàng nhanh chóng

2. 3 Ways to quickly lock your bank card

In some cases, blocking a bank card is necessary. Here are 3 quick ways to block your bank card: 

2.1. Lock bank card via Mobile Banking

This is the fastest and most convenient way for you to block your card when necessary. The steps are as follows:

  • Step 1: Open the Mobile Banking application of the bank you are using and log in with your account.
  • Step 2: Go to the “Tags” menu and select “Card Categories”.
  • Step 3: Select the type of card to lock.
  • Step 4: Confirm the information as requested on the application to successfully lock the card.
Khóa thẻ ngân hàng qua Mobile Banking là hình thức tiện lợi và nhanh chóng.
Locking a bank card via Mobile Banking is a convenient and fast form. 

2.2. Call the bank Hotline

Calling the bank's Hotline is a quick way to block your bank card and receive dedicated support from staff. 

  • Step 1: Call the hotline number of the bank where you are using the card and inform about the need to block the card.
  • Step 2: You provide reason and personal information, card information to verify identity such as: card number, account number, name, date of birth...
  • Step 3: The operator will confirm the information and lock the card according to the customer's request.
Liên hệ tới tổng đài của ngân hàng để được hỗ trợ khóa thẻ nhanh chóng, tiện lợi.
Contact the bank's hotline for quick and convenient card blocking support.  

2.3. Lock the card at the bank's transaction office

If you want to perform the card blocking procedure directly, you can go to the nearest bank branch.

  • Step 1: You go to the nearest address of the bank that opened the card and present to the staff your request to block the card.
  • Step 2: Provide employees with the necessary information and documents to verify identity.
  • Step 3: The staff will guide you through some necessary procedures and lock the card as requested.
Khóa thẻ ngân hàng tại quầy giao dịch để được nhân viên hướng dẫn trực tiếp.
Lock your bank card at the transaction counter to receive direct instructions from staff. 

3. Be careful when locking your bank account

Closing a bank account is an important decision, affecting many of your financial activities. Therefore, before deciding, you need to carefully consider the following factors:

  • Consider before locking: When you lock your bank card, you will not be able to perform some transactions such as: withdrawing money with an ATM card at a tree, paying by card... If you want to reopen the card, you need to take time to perform the procedure. Therefore, consider carefully before locking your bank card. 
  • You should use all account incentives: Before locking your account, try to use up all the bonus points, gifts or other incentives you have accumulated to ensure maximum benefits. 
  • If you lock your credit card account (main), the secondary card will also be locked: Supplementary cards are issued based on the main card. So, when you lock the main card, all associated secondary cards will also be locked. The supplementary cardholder will not be able to use the card to make payments or withdraw money.
Bạn nên cân nhắc kỹ trước khi thực hiện khóa thẻ ngân hàng vì việc mở lại thẻ sẽ mất thời gian.
You should consider carefully before locking your bank card because reopening the card will take time. 

4. Answer questions about bank card locking

Below are some common questions from customers about locking bank cards and detailed answers to help you better understand when performing this service. 

Conditions for blocking bank accounts

With a debit card, locking a bank card does not have too many constraints. As for credit cards, to deactivate the card, customers need to pay off all outstanding balances and fees incurred. 

Is there a fee for locking a bank card?

Most banks provide account blocking services completely free of charge. However, there are some special cases, such as if you request to block the card multiple times in a short period of time or require special services, the bank may charge a small fee.

So, there are many How to block bank card, bYou should choose the appropriate way to do it conveniently and quickly. However, you should consider carefully and only lock the card when absolutely necessary to avoid wasting time remaking the card when needed. To find out more information about bank card locking, please contact SeABank via transaction offices or Hotline 1900 555 587. 

Southeast Asia Commercial Joint Stock Bank SeABank

  • Address: BRG Building, 198 Tran Quang Khai, Ly Thai To Ward, Hoan Kiem District, Hanoi 
  • Call Center: KHCN 1900 555 587 / (024) 39448702 – KHDN 1900 599 952/ 024-32045952
  • Customer care email: contact@seabank.com.vn

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