How to Check Your Own Number on MTN, Airtel, Glo & 9mobile

It happens to everyone at some point. You pick up a new SIM, hand someone your number, and suddenly realise you cannot quite remember it. Or you are setting up a bank account, filling out a form, or registering on a platform and need to confirm the exact number on a SIM you rarely use. It is a small problem, but it can slow you down at the worst moments.

The good news is that checking your own number on any Nigerian network takes no more than a few seconds. It is free, requires no internet connection, and works on any phone, whether you are using a smartphone or a basic feature phone. This guide covers every method available across all four major networks: MTN, Airtel, Glo, and 9mobile, so you always have a way to find your number no matter the situation.

Key Highlights

• USSD codes are the fastest and most straightforward way to check your number on any network
• Checking your number is completely free and does not require airtime or an internet connection
• Alternative methods include checking your phone settings, the SIM card pack, or calling another phone
• All methods work on both smartphones and basic feature phones

How to Check Your MTN Number

MTN offers two ways to check your number. The first walks you through a short menu, while the second gives you the answer immediately with a single code.

Method 1: Using *123#

1. Dial *123# on the phone with your MTN SIM inserted
2. From the menu that appears, select My Tools
3. Choose My Number
4. Your MTN number will be displayed on the screen

Method 2: Quick code using *663#

If you just need your number quickly without going through any menu, simply dial *663#. Your MTN number will appear on screen immediately. This is the faster of the two options and is what most MTN users go for day to day.

Both methods are free and do not require airtime or data.

Why You Might Need Your MTN Number

There are several everyday situations where you might need to confirm your MTN number. These include registering for a mobile banking service, providing your number to a new contact, verifying your identity with a customer care agent, completing an online form, or simply confirming which number is on a SIM you have not used in a while. Having the USSD codes memorised or saved somewhere accessible means you are never caught off guard.

How to Check Your Airtel Number

Airtel also gives you two options depending on how quickly you need the answer.

Method 1: Using *121#

1. Dial *121# on the phone with your Airtel SIM inserted
2. Select option 3 for My Account
3. Choose option 4 for My Number
4. Your Airtel number will be displayed on the screen instantly

Method 2: Quick code using *282#

Dial *282# and your Airtel number will appear on screen right away without navigating any menu. This is the quickest method for Airtel subscribers.

Both methods are completely free. No airtime will be deducted.

A Tip for Airtel Users

If you manage more than one Airtel SIM, for instance one for personal use and another for work, always make sure the right SIM is active or selected before dialling the code. On dual-SIM phones, you will be prompted to choose which SIM to use when dialling a USSD code. Select the one whose number you want to check.

How to Check Your Glo Number

Glo subscribers have two reliable methods available, both of which are free and instant.

Method 1: Using *777#

1. Dial *777# on the phone with your Glo SIM inserted
2. From the menu that appears, navigate to My Tariff Plan
3. Select My Number
4. Your Glo number will be displayed on the screen

Method 2: Quick code using *135*8#

Dial *135*8# and your Glo number will appear on the screen immediately without going through any menu. This is the recommended shortcut for most Glo subscribers.

The *777# code is Glo’s all-in-one management menu, so beyond checking your number, you can also use it to manage your data plan, check your balance, and access other account information.

What Is *777# on Glo?

The *777# code is Glo’s general self-service menu. It gives subscribers access to a wide range of account management options, including checking your number, reviewing your tariff plan, managing data bundles, and more. To check your number specifically through this menu, dial *777#, go to My Tariff Plan, and select My Number.

How to Check Your 9mobile Number

9mobile makes the process equally straightforward with two available methods.

Method 1: Using *200#

1. Dial *200# on the phone with your 9mobile SIM inserted
2. From the menu, choose Account Information
3. Select My Number
4. Your 9mobile number will be displayed on the screen

Method 2: Quick code using *248#

Dial *248# and your 9mobile number will appear on screen immediately, with no menu navigation required. This is the faster option for 9mobile subscribers.

Both methods are free and work without an internet connection or airtime balance.

How to Check Your Number Without USSD Codes

There are situations where USSD codes may not be an option. Your network signal might be poor, the code might not be responding, or you may be in an area with limited connectivity. In these cases, the following alternatives will help you find your number without relying on USSD.

Call or Text Another Phone

This is the simplest backup method and works across all networks. Insert your SIM into a phone and make a call or send a text message to any number you have saved, such as a friend or family member. When the call connects or the text is delivered, your number will appear on the recipient’s screen as the caller or sender ID. Ask them to read it out to you or send it back.

Keep in mind that this method does use airtime, unlike USSD codes. If your SIM has no airtime, you can send a text instead, which typically costs less than a call.

Check Your Phone Settings

Your phone stores information about the SIM cards inserted in it, including the associated phone number. Here is how to find it:

1. Open your phone’s Settings menu
2. Scroll down and tap About Phone
3. Look for SIM Card or SIM Status information
4. Your phone number will be listed there

The exact wording and location of this setting may vary slightly depending on your phone brand and model (e.g. Samsung, Tecno, Infinix, iPhone), but the information is accessible on all modern smartphones. On iPhones, you can find it under Settings, then Phone, where your number appears at the top of the screen.

Check the SIM Card Pack

If your SIM card is relatively new and you still have the original packaging, your number is almost always printed on it. The SIM card pack typically contains the phone number, the SIM serial number (ICCID), and sometimes the PUK code. Check the card holder or the back of the packaging where the SIM was punched out.

This method is particularly useful if the SIM has not been inserted into any phone yet and you need to share the number before activating it.

Visit a Customer Care Centre

If none of the above methods work for you, visiting any network service centre in person is a reliable last resort. Bring a valid form of identification (e.g. National ID card, Driver’s Licence, or International Passport). The customer support staff will verify your identity and provide your registered phone number on the spot.

This option is also useful if there is a discrepancy between the number you expect and what is coming up on USSD, which can sometimes happen with incorrectly registered or transferred SIMs.

Quick Reference: USSD Codes for All Networks

Network	Full Menu Code	Quick Code
MTN	*123#	*663#
Airtel	*121#	*282#
Glo	*777#	*135*8#
9mobile	*200#	*248#

All codes are free to use and do not deduct airtime or data.

Common Questions

Do I need airtime to check my number? No. USSD codes and phone settings do not require airtime or an internet connection. The only method that uses airtime is calling or texting another phone, so if your SIM has no credit, stick with USSD or your phone settings.

Is it safe to use USSD to check my number? Yes, completely. These codes are officially provided by each network operator and do not expose any of your personal data. They are the same codes used for other self-service functions like checking your data balance or buying bundles.

Do these methods work on all phones? Yes. USSD codes, calling another phone, and checking the SIM pack work on both smartphones and basic feature phones. Phone settings may look slightly different depending on your device model, but the number information is accessible on all modern phones.

What if the USSD code is not responding? If a USSD code is not responding, it could be due to poor network signal, a temporary network outage, or an issue with your SIM. Try moving to an area with a stronger signal and dial again. If it still does not work, use one of the alternative methods above or contact your network’s customer care line.

Can I check my number if my SIM is in a dual-SIM phone? Yes. When you dial a USSD code on a dual-SIM phone, your phone will prompt you to choose which SIM to use. Select the SIM whose number you want to check and proceed as normal.

Final Thoughts

Checking your own number is one of those things that should never take more than a few seconds. With the codes above, it will not. The quick codes are particularly handy to keep saved somewhere accessible: *663# for MTN, *282# for Airtel, *135*8# for Glo, and *248# for 9mobile. They are free, instant, and require no internet connection whatsoever.

If USSD ever fails you, your phone settings and SIM card pack are reliable backups that do not depend on network availability at all. Between all the methods covered in this guide, there is no situation where you should be left without a way to find your number.