How to Block First Bank Account From Another Phone or SIM

how to block first bank account

Last Updated on January 9, 2023

Did you lose your ATM Card? Was your phone stolen? Is your first bank account in danger of scammers or your funds being stolen? This guide will show you how to block First Bank account so you can protect your funds.

first bank nigeria internet banking

While there are plenty of reasons for wanting to block your bank account, the common denominator is that you want to protect your funds from being taken.

However, a lot of people do not know how to go about blocking their account number and there isn’t sufficient information on how to go about it out there either.

See: How to Check Your Account Balance on First Bank

We have created this guide for people who own a First bank account and want to block their account for whatever reason may be.

As soon as you notice that your first bank account is in danger of being exploited, you need to take quick action if you’re going to protect your money.

One quick way to reach out for help is to contact First bank’s customer care about the issue or visit a First bank branch close to you.

However, if you cannot take any of these steps above then there are other ways you can use to block First bank account. Read on to learn how to block First bank account without having to go to the bank.

Also See: How to Register for First Bank Online Banking


How to Block First Bank Account From Another Phone

You can not block your first bank account from another phone, however, you can deactivate the phone number linked to your First bank account from carrying out any transactions (USSD).

Just dial *894*911# from another phone number, then enter the phone number linked to your first bank account that you want to deactivate, and that your phone number will not be able to perform any transaction on your First bank account.

Also See: How to be Eligible for a First Bank Loan

How to Block First Bank Account

You can use the phone number connected to your first bank account to block your First bank account and secure your funds by following these methods:

Block Your First Bank Account Using SMS

You can block your First bank account if your ATM Card got misplaced or if there is suspicious activity or transactions happening on your account by following sending an SMS with  “BLOCK” to 30012 using the phone number registered with your First bank account.

You have to use the account number connected to your first bank account, if not it won’t work.

Block First Bank Account by Visting Bank or Calling Customer Care

You can quickly visit the nearest First Bank branch to block your First bank account or Call the First Bank Nigeria customer care numbers; +234 1 905 2326, +234 708 062 5000, +234 1 448 5500.

Block First Bank Account ATM Card Using Mobile App

  • Log in to your First Bank Mobile App (First Mobile), if you don’t have the app, see how to register and use First bank mobile banking.
  • Select Option and then choose Card Services
  • Then Select your Card type and then tap on Hot LIST CARD, and you get instructions on what to do. Make sure you follow all the instructions to block your First bank account ATM Card.


It should not take more than 24 hours to block your First bank account. Just make sure to use the SMS method, or visit any nearest First bank branch or call the bank’s customer care number.

Can I Unblock My First Bank Account Number

You can unblock your First bank account after blocking it. You can always reactivate the account after you’ve made sure your account is secured. As you won’t be able to make transactions when your account is blocked.

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