605-336-1047
3901 E 10th St
Sioux Falls, SD 57103
Service First Federal Credit Union is headquartered in Sioux Falls and is the 6th largest credit union in the state of South Dakota. It is also the 1,261st largest credit union in the nation. It was established in 1934 and as of March of 2025, it had grown to 58 employees and 17,019 members at 3 locations. Service First Federal Credit Union has a B health rating.
Field of Membership Restrictions
Membership to Service First Federal Credit Union is open to those who live, work, worship, or attend school in the Iowa counties of Lyon, Plymouth, Sioux, or Woodbury; the Minnesota counties of Lincoln, Lyon, Murray, Nobles, Pipestone, or Rock; the Nebraska counties of Antelope, Boone, Cedar, Dakota, Dixon, Holt, Knox, Madison, Pierce, Platte, Stanton, Wayne, or Wheeler; or the South Dakota counties of Bon Homme, Brookings, Clark, Clay, Codington, Deuel, Douglas, Grant, Hamlin, Hutchinson, Kingsbury, Lake, Lincoln, McCook, Miner, Minnehaha, Moody, Turner, Union, and Yankton.
See current membership details
