06/08/2026
We’ve been notified that some business customers are receiving phone calls regarding ACH transactions from individuals claiming to be from the Oostburg State Bank Fraud Department. These calls may appear to come from Oostburg State Bank. The caller may ask questions about recent ACH activity or request online banking information.
Please remember: Oostburg State Bank will never ask for your online banking username, password, or verification codes over the phone.
If you’ve received one of these calls or shared any information, please contact our Customer Service Team at (920) 564-2336.
For more information, visit our website: www.oostburgstate.bank/post/fraud-alert-ach