One American Bank – Sioux Falls Branch, Sioux Falls SD 57104
One American Bank’s Sioux Falls branch, located at 515 South Minnesota Avenue, Sioux Falls, SD 57104, provides a full range of banking services for individuals and businesses. As a nationally recognized bank with FDIC insurance (Certificate #6078), One American Bank ensures your funds are secure while delivering exceptional customer service. With 3 Offices in South Dakota, One American Bank is dedicated to helping the Sioux Falls community manage finances conveniently and efficiently.
The Sioux Falls branch is a Full Service Office ready to assist with personal banking, business accounts, loans, and more. Knowledgeable staff offer expert guidance and modern banking solutions. Visit today or call 605-361-1010 to experience trusted, professional banking in South Dakota.
One American Bank Sioux Falls Branch Details
Want to know when this branch is open? Check Opening Hours for up-to-date timings and details.
| Branch Name | Sioux Falls |
| Phone Number | 605-361-1010 |
| Office Address | 515 South Minnesota Avenue, Sioux Falls, SD 57104 |
| Service Type | Full Service Office |
| State / County | South Dakota - Minnehaha |
| City / Town | Sioux Falls |
| Zip Code | 57104 |
Looking for other locations or nearby branches? Find more banks and branches to explore complete details and contacts.
| Bank Type | Federal Reserve Non-member Bank |
| FDIC Insurance | Certificate #6078 |
| Website | oneamericanbank.com |
| Branch Count | 3 Offices in South Dakota |
Last Verified: August 2025
One American Bank Sioux Falls Branch Hours of Operation
Every branch has its own set of hours; we‘ve listed the daily hours for the main headquarters branch below. It also applies to a variety of other branches; however, you should check your particular branch for more current and up-to-date information.
| Day | Hours of Operation |
|---|---|
| Monday | 9:00 am - 5:00 pm |
| Tuesday | 9:00 am - 5:00 pm |
| Wednesday | 9:00 am - 5:00 pm |
| Thursday | 9:00 am - 5:00 pm |
| Friday | 9:00 am - 6:00 pm |
| Saturday | 9:00 am - 6:00 pm |
| Sunday | closed |
Frequently Asked Questions (FAQs)
What services are offered at One American Bank Sioux Falls?
The Sioux Falls branch offers full-service banking including personal accounts, business accounts, loans, mortgages, and financial advice.
Is One American Bank Sioux Falls FDIC insured?
Yes, One American Bank is FDIC insured under Certificate #6078, ensuring your deposits are safe and secure.
What are the branch hours for One American Bank Sioux Falls?
Branch hours may vary. It's recommended to visit oneamericanbank.com or call 605-361-1010 for the most accurate schedule.
How can I contact One American Bank Sioux Falls?
You can call the branch at 605-361-1010 or visit in person at 515 South Minnesota Avenue, Sioux Falls, SD 57104, Sioux Falls, SD 57104.
How many One American Bank branches are there?
One American Bank operates 3 Offices in South Dakota, including the Sioux Falls, South Dakota branch.