How to Check Your MTN Number in Nigeria: 5 Easy Methods (2026)
Forgot your MTN phone number? You can check it without memorising it, removing your SIM card, or visiting an MTN office.
The quickest method to try is dialing *663# from your MTN line. If it doesn't work, try *123*1*1# or use one of the alternative methods explained below.
These methods can help you retrieve your number whether you use an Android phone, an iPhone, or a basic button phone.
Quick Answer: What Is the Code to Check an MTN Number?
| Method | What to do |
|---|---|
| Primary USSD method | Dial *663# on your MTN line |
| Alternative USSD method | Try *123*1*1# |
| MTN self-service menu | Dial *123# and look for the account or number information option |
| Phone settings | Check your SIM or phone-number information, if available |
| Another phone | Call or send a message to a trusted phone number |
Important: USSD menus and network services can change. If a code fails, try another method rather than assuming your SIM card is damaged.
Method 1: Dial *663# to Check Your MTN Number
The first method to try is the USSD code *663#.
USSD is useful because it communicates with your mobile network through your phone's dialler. You generally don't need mobile data or a smartphone to use it.
Follow These Steps
- Open the Phone app on your device.
- Make sure you are using your MTN SIM card.
- Dial
*663#. - Press the call button.
- Wait for the network response.
- If the service works on your line, your MTN number should appear on the screen.
Write the number down or save it in your contacts so you can find it easily next time.
What If *663# Does Not Work?
A failed USSD request does not necessarily mean your MTN line is faulty.
The request may fail because of a temporary network issue, a change in the available service, an incorrect SIM selection on a dual-SIM phone, or another account-specific problem.
Try the alternative methods below.
Method 2: Check Your MTN Number Using *123*1*1
Another code reported by Nigerian guides is *123*1*1#.
To try it:
- Open your phone's dialler.
- Select your MTN SIM if your phone has two SIM cards.
- Enter
*123*1*1#. - Press the call button.
- Follow any instructions displayed on the screen.
If the shortcut does not work, dial *123# and inspect the available self-service options for an item such as "My Number" or account information.
Menu labels and available options may differ, so follow the options actually displayed on your device.
If neither method returns your number, move on to the other options in this guide.
Method 3: Find Your MTN Number in Your Phone Settings
Some Android phones and iPhones display the phone number associated with a SIM card in their settings.
However, this method is not guaranteed to work. A phone may display "Unknown" or show no number even when the SIM card is functioning normally.
How to Check on Android
Android menus differ by manufacturer and software version.
Try the following:
- Open Settings.
- Look for "About phone" or "About device."
- Open the SIM, status, or phone-information section if available.
- Check whether your phone number is displayed.
On some devices, the relevant information may instead appear under Settings and then SIM management or Mobile network.
If you cannot find the number, use a different method. The absence of a displayed number does not automatically mean that your MTN SIM is inactive.
How to Check on an iPhone
On an iPhone:
- Open Settings.
- Select Phone, if that option is available.
- Look for "My Number."
Depending on your iOS version and SIM configuration, the number may not appear correctly.
You can also inspect the available information under Settings and then Cellular or Mobile Service.
If your number is missing or incorrect, use the USSD method or contact MTN for assistance.
Method 4: Call or Message Another Phone
If you have airtime and another phone is available, this is a straightforward alternative.
Follow these steps:
- Ask a trusted person to make their phone available.
- Call their number using your MTN SIM.
- Ask them to read the number displayed on their screen.
- Save the number in your contacts.
You may also send a text message if your line supports SMS and you have sufficient credit.
This method may not work if your outgoing calls or messages are restricted, your line has a network problem, or the receiving phone cannot display the caller's number.
If you have hidden your caller ID, the other phone may not display your number normally. In that situation, try a USSD code or contact MTN instead.
Privacy tip: Only call or message someone you trust. You do not need to share your OTP, NIN, account password, or other sensitive information to find your own phone number.
Method 5: Check Your SIM Pack or Existing Records
If you still have the original SIM pack, registration documents, or an earlier record containing your MTN number, check those materials.
Your number may also be saved in:
- Your phone's contacts.
- An old SMS conversation.
- A previous account-registration form.
- A trusted person's contact list.
- A service account where you previously entered your phone number.
Be careful when checking old records because a document may contain a different line you previously owned.
If you have several SIM cards, confirm that the number belongs to the MTN line you are currently using.
Why Is My MTN Number Not Showing?
If you've tried the methods above and still cannot retrieve your number, use this troubleshooting table.
| Problem | What to try |
|---|---|
| The USSD code returns an error | Try the alternative code or dial the main self-service menu |
| The request keeps loading | Move to an area with better reception and try again |
| Your phone has two SIM cards | Select the MTN SIM before making the USSD request |
| Your phone settings show "Unknown" | Use a USSD method or another phone |
| Your outgoing calls are restricted | Check the SIM's service status and contact MTN |
| You have an old SIM card | Confirm whether the SIM is active and still registered to your line |
| None of the methods works | Contact MTN through its official support channels |
Avoid repeatedly trying random codes found on social media. Some codes activate services or change account settings rather than reveal your number.
If the problem continues, use MTN's official website to find the appropriate customer-support option.
How to Contact MTN Nigeria for Help
If you cannot retrieve your number using the available methods, contact MTN through its official support channels.
Visit the official MTN Nigeria website and look for its contact or customer-support section.
Explain that you are trying to identify the number associated with your SIM card.
MTN may ask you to complete appropriate verification before providing account-related information. Follow the official instructions and never disclose your OTP or account PIN to an unverified person claiming to be a support agent.
If your SIM card is lost, damaged, inactive, or no longer accessible, explain the specific problem so that support can direct you to the appropriate procedure.
Frequently Asked Questions
What is the code to check my MTN number in Nigeria?
You can try *663# first. If it does not work, try *123*1*1# or dial *123# and inspect the available account-information options. Network services may change, so the codes are not guaranteed to work on every line.
Can I check my MTN number without airtime?
USSD number-checking services generally do not require you to make a paid call, but charges and service availability can change. If you do not have airtime, try the available USSD methods first or inspect your phone settings.
Can I check my MTN number without internet?
Yes, you can try a USSD code using your phone's dialler. USSD does not require mobile internet, although your SIM must be able to communicate with the network.
Can I check my MTN number on an Android phone?
Yes. Try the USSD method first. You can also check your phone's settings, although some Android devices display the number as unknown.
Can I check my MTN number on an iPhone?
Yes. Try the USSD method or check Settings for the phone number associated with your SIM. The number may not appear in the settings on every device.
What should I do if *663# is not working?
Try *123*1*1# or dial *123# and inspect the available options. If those methods fail, check your phone settings, call another phone if possible, or contact MTN support.
Can I check my MTN number if I have two SIM cards?
Yes. Select the MTN SIM before dialing the code. If you use the wrong SIM, you may be checking a different network or phone number.
Is the number on my SIM card pack always correct?
It may be correct, but verify it if you have changed SIM cards or replaced a line. Old packaging or records may refer to another number.
How can I save my MTN number so I do not forget it?
After retrieving it, save it as a contact such as "My MTN Number." You can also keep a private record in a secure place. Avoid publishing your number or sharing it with untrusted people.
Final Thoughts
If you have forgotten your MTN number in Nigeria, start by dialing *663#. If it fails, try *123*1*1# or inspect the options available through *123#.
You can also check your phone settings, call a trusted person's phone, or look through your existing records.
If none of these options works, contact MTN through its official support channels.
Once you retrieve your number, save it somewhere safe. That small step can save you time the next time you need to recharge your line, register for a service, or share your contact details.
Sources and Further Reading
Related Articles
- Nigeria’s New Data Prices 2026: MTN, Airtel, Glo & 9mobile Plans After 50% Tariff Hike
- Best Data Bundle Prices in Nigeria 2026 - Flames Nova Compares MTN, Airtel, Glo, 9mobile to Help You Save
- How to Buy Cheap MTN Data in Nigeria Without Getting Scammed
- MTN Night Plan Code 2026/2027: How to Activate Nightlife Bundles
Originally published at Flames Nova
