In an era of mobile apps and online banking portals, USSD banking remains the most reliable financial tool for millions of Nigerians.
Whether you’re in a rural area with unstable internet, using a basic feature phone, or simply want a faster way to transfer money, USSD codes offer instant, secure, and network-independent banking.
For older Nigerians unfamiliar with apps and even tech-savvy users who just want speed, USSD is often the easiest way to check balances, send money, buy airtime, or block an ATM card in emergencies.
In this guide, we break down the official USSD codes for GTBank, FCMB, UBA, and Fidelity Bank, explain how they work, and highlight both core and lesser-known banking functions you can access without internet access.
What Is USSD Banking?
USSD (Unstructured Supplementary Service Data) is a GSM communication protocol that allows users to interact with their bank by dialing short codes like *737#.
Unlike mobile apps, USSD works on any phone, requires no data, and completes transactions in real time.
You can learn more about the technology behind it on Wikipedia’s USSD explainer.
GTBank USSD Code: *737#
GTBank (Guaranty Trust Bank) was one of the first Nigerian banks to popularize USSD banking, and its *737# service remains one of the most robust.
Official code: *737#
Works on: All Nigerian mobile networks
Linked SIM: Must be the phone number registered with your GTBank account
Core GTBank USSD Functions
- Check account balance:
737*6*1# - Transfer to GTBank account:
737*1*Amount*AccountNumber# - Transfer to other banks:
737*2*Amount*AccountNumber# - Buy airtime for self:
737*Amount# - Buy airtime for others:
737*Amount*PhoneNumber#
Lesser-Known but Important Features
- Block ATM card instantly:
737*51*10# - Reset USSD PIN
- Pay utility bills and cable TV subscriptions
For more official updates, visit the GTBank homepage.
FCMB USSD Code: *329#
First City Monument Bank (FCMB) offers a simple and menu-driven USSD experience, making it popular among older users and first-time adopters.
Official code: *329#
Core FCMB USSD Functions
- Check balance:
329*00# - Transfer to FCMB account:
329*Amount*AccountNumber# - Transfer to other banks:
329*Amount*AccountNumber# - Buy airtime:
329*Amount#
Additional Features Many Users Miss
- Open an FCMB account instantly
- Loan services (eligible users)
- Bill payments and merchant transactions