Question? We're Here to Help
Please feel free to request general information or get answers to your questions below. For more assistance, please visit our Locations page to contact the Security National Bank office nearest to you. We are also available on the phone at (605) 977-9000 in Sioux Falls or (605) 232-6060 in Dakota Dunes.
To report a lost or stolen card: Immediately call 1-800-236-2442 (available 24 hours a day), then notify your usual location during business hours.
Customer Service Online Contact Form
NOTE: Please do not use this form to send confidential information such as account numbers, passwords, tax returns, social security numbers or any other sensitive data. Please call or visit your local branch if this information needs to be shared.