What is the Sonibank fraud helpline number?

Sonibank lists these numbers on its own website: Customer contact: +227 20 73 47 40; Customer contact: +227 20 73 46 93. Always dial the number printed on your card or shown in the official app if you are unsure.

How do I report fraud to Sonibank?

Call Sonibank's official line, or report it in the app or online: Complaints page: https://www.sonibank.com/reclamation. Tell them the amount, the time and the account the money went to, and ask them to block your card or the payment.

What if Sonibank will not help or refund me?

In Niger you can complain to ARCEP Niger (telecom regulator). Details of what each one handles are on this page.

Bank Fraud Help · Niger

Sonibank Fraud: How to Report It and Stop the Money

If money left your Sonibank account without your permission, or you paid a scammer, contact Sonibank straight away and ask it to block the payment and your card. The first minutes matter most.

Do this first

Call Sonibank’s official line below, or use help inside the official Sonibank app. Never use a number from a text, a caller or a search result.
Give them the transaction details (amount, time, and the account or number you paid) and ask them to block your card and stop or recall the payment.
Change your online banking password and PIN if anyone may know them. Sonibank will never ask for your PIN, password or a one-time code.
Report it to the police too: see who handles cybercrime in Niger, and keep screenshots of every message and payment.

Official Sonibank fraud contacts

Sonibank

Bank

Customer contact:+227 20 73 47 40
Customer contact:+227 20 73 46 93

App or online: Complaints page: https://www.sonibank.com/reclamation

Source: Sonibank official page

If Sonibank won’t help

ARCEP Niger (telecom regulator)

Complaints about telecom and mobile operators.

Call +227 20 73 90 11 or email [email protected]. The website has a complaint option ('Déposer une réclamation').

Official website

Report it to the police too

Cybercrime agencies in Niger lists who to report to.

Common questions about Sonibank fraud

What is the Sonibank fraud helpline number?: Sonibank lists these numbers on its own website: Customer contact: +227 20 73 47 40; Customer contact: +227 20 73 46 93. Always dial the number printed on your card or shown in the official app if you are unsure.
How do I report fraud to Sonibank?: Call Sonibank's official line, or report it in the app or online: Complaints page: https://www.sonibank.com/reclamation. Tell them the amount, the time and the account the money went to, and ask them to block your card or the payment.
What if Sonibank will not help or refund me?: In Niger you can complain to ARCEP Niger (telecom regulator). Details of what each one handles are on this page.

Other providers in Niger

Bank of Africa Niger Airtel Money Niger

These contacts were read on Sonibank’s own website on 3 October 2026. If a number has changed, use the one in the official app and tell us. Ministry of Cyber Affairs is not Sonibank and cannot recover money. All Niger providers are in Bank Fraud Help: Niger.