Have you ever found yourself holding your MTN SIM card but can’t remember the number? Don’t worry— you’re not alone. Whether you just bought a new SIM, misplaced your SIM pack, or simply forgot your digits, there are quick and easy ways to check your MTN number.
In this guide, you’ll learn all the methods to check your MTN number in Nigeria, including using USSD codes, SMS, the MyMTN app, customer care, and even through a simple call trick.
By the end, you’ll never be stuck again, wondering “What’s my MTN number?”
7 Best Ways To Check Your MTN Number
1. Check Your MTN Number via Direct USSD Shortcut
The fastest way to know your MTN number is by dialing a short USSD code.
- Dial *123*1*1# or *663# (Any of the USSD codes will work)
- A screen will pop up with your MTN Number automatically
- Copy or screenshot (or better still, call it out to the person you want to share with)
- An SMS containing your MTN Number will also be sent to you (Check your SMS)
👉 Pro tip: Save your number in your phone contacts immediately so you don’t have to repeat this step again.
2. Check MTN Number Using USSD Code
MTN also provides another option via code:
- Dial *123# on your MTN line.
- Select “Account Info” (option 1).
- Choose “My Number” (option 1 again).
- Your MTN number will instantly appear on your screen.
3. Check Your MTN Number via MyMTN App
If you’re a smartphone user, the MyMTN app makes it super easy.
- Download the MyMTN NG app from the Google Play Store or Apple App Store
- Log in using your MTN SIM.
- On your dashboard, your MTN phone number will be displayed at the top.
👉 Bonus: The app also lets you manage data, airtime, and other MTN services in one place.
4. Call or Send SMS to a Friend
Another simple trick is to call or text a friend’s phone number.
- Just place a call, and your MTN number will appear on their caller ID.
- If you send an SMS, your number will show in the sender’s details.
This option is especially useful when you have airtime to make a quick call.
5. Contact MTN Customer Care
If you prefer speaking to a real person, MTN customer care can help.
- Dial 300 from your MTN line or 08031000180 when using other networks, and +2348031000180 if calling from outside the country
- Follow the voice prompts or speak directly to an agent.
- Ask them to confirm your phone number.
This method is helpful if you need assistance with other SIM-related issues too.
6. Use Online Platforms (For Registered SIMs)
In some cases, you can retrieve your MTN number online if your SIM is linked to services like NIN-SIM registration portals or through your online MTN account.
While not as fast as USSD, this can be useful if you manage multiple SIMs.
7. Check Your MTN SIM Pack
When you first purchased your SIM, it came with a SIM pack containing important details like your PUK number and phone number.
- If you still have the SIM pack, look for the sticker on the back—it contains your MTN phone number.
This is a great backup option if you don’t want to rely on USSD codes.
…read also:
- 6 Major Ways You Can Check MTN Data Balance
- How To Transfer Airtime On MTN: Top 3 Ways (2025)
- How To Hide Number On MTN: Top 3 Best Methods
Verdict
Now you know the 7 reliable ways to check your MTN number—whether by dialing USSD codes like *123# or *663#, using the MyMTN app, calling a friend, or checking your SIM pack.
The next time you forget your number, you won’t have to stress. Simply pick the method that’s most convenient for you, and you’ll get your MTN number in seconds.
👉 Pro tip: Once you retrieve your number, save it in your contacts and back it up so you don’t have to go through the process again.