Forgetting your MTN number is very common in Nigeria—especially after you’ve gotten a new SIM card you rarely use. Maybe you use it for data subscription or for a personal purpose. It becomes frustrating when you need the number and it’s not accessible at the time of need. You don’t have to worry as you’re not left alone.
With just a USSD code, your MTN number is at your finger tips. In this article, you would learn how to check your MTN number via USSD code in Nigeria.
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Reason Why you Need to Check your MTN Number
Sometimes after we’ve gotten a SIM card from a telecommunication center, the SIM card gets registered and you receive your MTN number as an SMS, and sometimes written on the SIM package.
Interestingly, you may consciously or unconsciously delete such SMS in your phone and lose access to the SIM card. How would you then get the number back? That’s where you start panicking. You don’t need to panic anymore.
You might need the number to register for a personal account, use for receiving bank notifications, use as an official number, and other reasons you have in mind. So you can only fulfil such a purpose only when you have your number available.
It sounds frustrating to call someone close to you and then get your number after it rings, this is not an option to get your number as there’s an easy way to get your number. The next section explains how you can achieve that.
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How to Check your MTN Number Via USSD Code in Nigeria
You might think you’ve crammed your number or have it written somewhere else until you want to use the number and start looking for it, that’s when your entire mood would be ruined. But you know what? Don’t be worried, let’s find a solution to that.
With just a USSD code, you can easily check your MTN number and keep it safe in case you need it for another purpose. It’s free and doesn’t require any charges to check your number.
Enter you phone’s dial pad and dial *123# on your MTN SIM card. After it loads, enter the first option “My Account Info” and select “My Number”, then follow other options displayed on your screen to the end, they either send your number to your inbox as an SMS or display your number in the prompt box.
It takes a few seconds to complete—though it might take longer if there’s a network glitch.
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Frequently Asked Questions (FAQs)
Is it free to check my MTN number using USSD code?
Yes, checking your MTN number via USSD code is completely free in Nigeria. MTN does not charge any airtime for using *123# to view your phone number. You can check your MTN number anytime without worrying about deductions as no charge is deducted.
Can I check my MTN number without airtime or internet?
Yes, you can check your MTN number without airtime or internet connection. The MTN USSD code works directly on your mobile network, meaning you don’t need data or airtime for such a purpose. Even basic phones can display your MTN number easily.
What should I do if the MTN USSD code is not working?
If the MTN USSD code is not working, ensure your SIM is properly inserted and registered. Move to an area with better network signal and try again. You can also call MTN customer care or MyMTN app if you’ve logged in before to check your MTN number.
What is the USSD code to check my MTN number in Nigeria?
The official USSD code to check your MTN number in Nigeria is *123#. Dial the USSD code on your MTN SIM, select the “Account Info” option, then select “My Number” and your phone number will appear on your screen instantly. This method works on all MTN SIM cards nationwide.
Does the MTN number checking code work on all phones?
The MTN USSD code works on all types of phones—including the Android phones and iPhones. As long as the SIM is active and connected to the MTN network in Nigeria, dialing the code will display your MTN number successfully.
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Final Thought
You don’t need to feel frustrated or worried because you can’t find your MTN number where you kept it when you can easily check your number with USSD code within seconds. Since you can now check your MTN number via USSD code, then go ahead and get your number.

