Contact Us
- Call 605-274-9181 during regular business hours.
- Call 800-236-2442 during nights, weekends, or holidays.
Local: 605-336-1047
Toll Free: 800-456-1703
Fax: 605-336-0103
Balance Plus is a free, 24 hour-a-day voice response system that allows for easy access to transaction and account information, as well as the ability to transfer money between accounts, all through a touch-tone phone.
Local: 605-336-0721
Toll Free: 800-456-1692
Service First FCU
3901 E 10th Street
Sioux Falls, SD 57103
Service First is committed to giving back to the communities we serve and making them better places to live and work. If you have an upcoming event and feel Service First would be the right fit as a sponsor, please let us know by filling out the request form. We love getting involved!