HomeBanking & FinanceHow to Block/Deactivate Zenith Bank USSD Code (*966#)

How to Block/Deactivate Zenith Bank USSD Code (*966#)

Are you faced with a missing phone? To avoid theft, here's how to block or deactivate Zenith Bank USSD code from working when you misplace your mobile device in Nigeria.

Aside from blocking Zenith Bank ATM (debit or credit) cards, did you know that you can also deactivate Zenith Bank USSD code from working when you misplace your mobile device in Nigeria?

Using Zenith bank’s USSD banking comes with a lot of benefits as compared to the regular banking methods. With USSD banking, you save yourself the stress of queuing up in banking halls, has no dependency on internet connection or third-party platforms, it’s super-fast, convenient and works on all types of phones. However, it comes with its disadvantages, one of those is how easy you may lose your money when the missing phone falls in the hands of thieves. That said, we have shared how you can quickly block your Zenith Bank USSD code to avoid theft.

When faced with a theft or a missing mobile phone, there’s the likelihood of your money being stolen when your SIM card (linked with your bank) can be accessed. I already clarified all that can be done to your bank in this article here, take your time to read it before you proceed. In a sentence, your Zenith bank account can be wiped clean without any trace of who did it.

Hence, it’s critical that you learn how to deactivate or disable your USSD from your bank to stop this from happening. So how exactly do you go about that? Keep reading to find out more about this on Naijaknowhow.

Zenith bank logo

How to Block or Deactivate Zenith Bank *966# USSD Code

To block Zenith Bank USSD code:

  • Simply dial *966*911# from any phone and follow the prompt.

This unique code stops unauthorized transactions and protects the account holder’s funds in the event of mobile phone, ATM Card or hardware token loss as well as account details compromised.

It’s important to note that this works on any phone, in essence, you can dial that code on anybody’s phone to disable your Zenith Bank USSD code.

To unblock Zenith Bank USSD code:

  • When you finally resolve the issue of the missing device or lost SIM card, you should head over to the nearest Zenith bank to reactivate or unblock your Zenith USSD banking. There is currently no code to help you reactivate a blocked USSD code.


There you go. Zenith Bank has now provided users full control of how to deactivate USSD code on any mobile device that has calling capabilities. You can do this by entering the given shortcode, then proceed to enlist your number. I hope you find this post valuable, if you do, we’d relish a repost on your social media platform. Also, don’t forget to drop a comment via the comment box below to let us know if this worked. Good luck!

More on USSD Codes:

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