When you need help — a card issue, a blocked transfer or suspected fraud — reaching GTBank customer care quickly matters. Here are the official contact channels for Guaranty Trust Bank (GTBank) Nigeria, updated for 2026.
GTBank Customer Care Phone Numbers
For the most current number, use the official GTBank website or the contact option in the GTWorld app — numbers occasionally change. The bank operates a 24/7 contact centre for account and card support, and a dedicated line for international callers.
Other Official Channels
- Email support — via the contact form on the GTBank website.
- Social media — verified GTBank Nigeria accounts on X/Twitter and Facebook.
- In-branch / GTWorld app chat — the fastest route for many requests.
- Report fraud/card loss — use the blocking options in the app or USSD immediately.
Latest GTBank USSD Channel
Many customers reach services via *737# — balance, transfers, airtime and card controls without needing a phone call.
What to Have Ready
- Your account number or registered phone number.
- Your BVN (when requested).
- Details of the issue: transaction reference, date, amount.
FAQ
Is GTBank customer care 24/7?
Yes, the contact centre operates around the clock for major account and card issues.
What is the fastest way to block a lost card?
Use *737*911# or the card-blocking option in the GTWorld app, then confirm with customer care.
Related: How to Check GTBank Account Balance and GTBank Loan Options.
Disclaimer: Contact details can change; always confirm on the official GTBank website.