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CONTACT US

HOW CAN WE HELP?

We offer personalized guidance, comprehensive resources, and we're dedicated to empowering you to achieve financial success at every stage of your journey. Please drop us a line here and we'll get back to you as soon as we can. Our normal business hours are Monday - Friday, 9 a.m. to 5 p.m.

Please do not include confidential information in this message. 



ADDRESS:  515 S. Minnesota Ave
PHONE:      605-361-1010
EMAIL:        info@oneamericanbank.com
WEB:           www.oneamericanbank.com

Where to Find Us

Locations

We’d love to see you in person! Please feel free to visit any branch location near you.
49th Street

3310 W. 49th Street
Sioux Falls, SD 57106

Phone: 605-334-2400
Lobby & Drive-Up Hours:
Monday-Friday 9:00am - 5:00pm

ATM Access:

Minnesota Avenue

515 S. Minnesota Avenue
Sioux Falls, SD 57104

Phone: 605-361-1010
Lobby & Drive-Up Hours:
Monday-Friday 9:00am - 5:00pm

ATM Access:

Broadway

549 Broadway
Centerville, SD 57014

Phone: 605-563-2207
Lobby Hours:
Monday-Friday 8:30am - 4:30pm

ATM Access: