Looking for the latest USSD codes to check your airtime and data balance in Nigeria? This 2025 updated guide covers unified NCC codes and network-specific USSD commands for MTN, Airtel, Glo, and 9mobile so you always stay connected. *Dial *310# for airtime, 323# for data — get all the codes and tips here.
In today’s digital Nigeria, staying connected is everything. Whether you’re making business calls, streaming your favorite shows, or surfing the web, knowing your airtime and data balance is essential. Thankfully, telecom operators like MTN, Airtel, Glo, and 9mobile have simplified this process using USSD codes. In this 2025 updated guide, you’ll discover all the latest USSD codes to check your balances quickly and easily.
What Are USSD Codes and Why Are They Important?
USSD stands for Unstructured Supplementary Service Data. It’s a quick and easy way to communicate with your mobile network provider. Unlike internet-based apps, USSD codes work even without data — meaning you can check your balance anywhere, anytime, on any kind of phone.
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For Nigerians, this is especially helpful because network coverage varies across regions. Whether you’re in Lagos, Abuja, Port Harcourt, or a rural area, dialing a USSD code is one of the most reliable ways to access mobile services instantly.
NCC’s Unified USSD Codes (2025 Update)
In 2023, the Nigerian Communications Commission (NCC) standardized all telecom USSD codes to make things easier for users across all networks. This means the same short codes can now be used on MTN, Airtel, Glo, and 9mobile for common functions like checking airtime, buying data, or linking your NIN.
The initiative eliminates confusion from having multiple codes for similar tasks on different networks. Here’s the good news: You only need to remember a few key codes now.
- *310# – Check Airtime Balance
- *323# – Check Data Balance
- *312# – Buy Data Plan
- *303# – Borrow Airtime or Data (Airtime Advance)
- *996# – Link NIN to SIM
MTN Nigeria USSD Codes
MTN remains one of the most widely used networks in Nigeria, offering reliable connectivity and fast data services. To check your airtime or data balance on MTN:
- Check Airtime Balance: Dial
*310#and press the call button. - Check Data Balance: Dial
*323#or send “2” to312via SMS.
Pro Tip: If you experience issues, you can still try the legacy code *556#, though it’s gradually being replaced by the new NCC code.
Airtel Nigeria USSD Codes
Airtel users can also check their balances easily using the unified codes:
- Check Airtime Balance: Dial
*310# - Check Data Balance: Dial
*323#or try*140#if the new code doesn’t respond.
The Airtel Thanks App also provides a digital option to view airtime, bonuses, and data usage history with just one tap.
Glo Nigeria USSD Codes
Globacom, popularly known as Glo, is another top telecom operator in Nigeria. Here are the Glo USSD codes to monitor your balances:
- Check Airtime Balance: Dial
*310# - Check Data Balance: Dial
*323#or send “INFO” to127via SMS.
Bonus Tip: You can still access Glo’s old menu by dialing *777# to check offers, bundles, and promotions.
9mobile (Etisalat) USSD Codes
9mobile subscribers can use these codes to view airtime and data balances:
- Check Airtime Balance: Dial
*310# - Check Data Balance: Dial
*323#or use*228#(older code).
Although the network has transitioned to NCC’s new standard codes, some older SIMs may still respond to traditional USSD options.
Comparison Table of USSD Codes (All Networks)
| Network | Airtime Balance | Data Balance | Alternative Codes |
|---|---|---|---|
| MTN | *310# | *323# / SMS "2" → 312 | *556# |
| Airtel | *310# | *323# | *140# |
| Glo | *310# | *323# | SMS "INFO" → 127, *777# |
| 9mobile | *310# | *323# | *228# |
Why It’s Important to Monitor Your Airtime and Data Balance
Regularly checking your airtime and data balance helps you stay in control of your spending and prevents service disruption. Here’s why it matters:
- Prevent unexpected cutoffs: Knowing your remaining airtime ensures you’re not stranded mid-call.
- Data management: Stay aware of your usage and avoid data exhaustion when you need it most.
- Cost savings: Helps you monitor which data plans work best for your budget.
- Fraud prevention: Avoid unauthorized deductions by tracking your balances frequently.
Troubleshooting Common USSD Issues
Sometimes, USSD codes may fail to respond or return errors. Common reasons include:
- Poor network signal or temporary service disruption
- Incorrect SIM settings (especially in dual SIM phones)
- Outdated phone software or incompatible devices
If this happens, restart your phone, ensure your SIM is active, and try again after a few minutes.
Alternative Ways to Check Balances
Besides USSD, you can use official mobile apps for even more accurate readings:
- MTN: MyMTN App
- Airtel: Airtel Thanks App
- Glo: Glo Café App
- 9mobile: 9mobile App
These apps not only show your balance but also let you buy data, recharge airtime, and access exclusive offers.
Final Thoughts: Stay Smart, Stay Connected
In a country where mobile communication powers business, education, and entertainment, it pays to know your USSD codes. The NCC’s unified system now makes it easier than ever to manage your line without memorizing multiple codes. So next time you want to check your airtime or data, simply dial *310# or *323# — and you’re good to go!
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