FDIC-insured bank
Security National Bank of South Dakota
Bank headquartered in Dakota Dunes, South Dakota, part of SECURITY NATIONAL CORP.
Source: FDIC BankFind Suite, data as of June 30, 2026, fetched September 5, 2026
Headquarters and contact
| Address | 325 Dakota Dunes Blvd Dakota Dunes, SD 57049 |
| County | Union |
| Metro area | Sioux City, IA-NE-SD |
| Website | www.snbsd.com |
| Phone | not published in FDIC data, see the bank's website |
FDIC record
| FDIC Certificate | 34394 |
| Federal Reserve RSSD ID | 2529176 |
| Status | Active |
| Charter class | N (OCC) |
| Holding company | SECURITY NATIONAL CORP |
| Domestic offices | 3 |
| Financials as of | June 30, 2026 |
Routing number
FDIC does not publish ABA routing numbers, and many banks use different routing numbers by state or by account type. The reliable places to find yours: the bottom left of a check from this bank, the "account details" screen in its online banking, or its official website at www.snbsd.com.
See how your odds compare before you apply at Security National Bank of South Dakota.
Offices nearest to headquarters
| Security National Bank Of South Dakota main office Dakota Dunes, SD |
325 Dakota Dunes Blvd, 57049 |
| 74Th And Louise Branch Sioux Falls, SD |
6601 S Louise Ave, 57108 |
| 26Th Street Branch Sioux Falls, SD |
4621 W 26th St, 57106 |
Where Security National Bank of South Dakota has offices
Other banks headquartered in Dakota Dunes
| 1st Financial Bank USA | $1.40 billion |