Thanksgiving Day: Thursday, Nov. 25
All Security National Bank of South Dakota branches will be closed on Thursday, Nov. 25, in observance of Thanksgiving Day. Branches will reopen on Friday, Nov. 26. You can still access all online banking and mobile banking services, 24 hours a day. If you have any questions or concerns, contact us online or leave a message at our customer service center by calling (712) 277-6500 in Dakota Dunes or (605) 977-9000 in Sioux Falls.
To report a lost or stolen card, call our 24-hour hotline at 1-800-236-2442, then notify your usual location during business hours.
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