NCUA-insured credit union
Service First
Credit Union headquartered in Sioux Falls, South Dakota.
Source: NCUA call report data, data as of March 31, 2026, fetched September 5, 2026
Headquarters and contact
| Address | 3901 East 10Th Street Sioux Falls, SD 57103 |
| County | Minnehaha |
| Website | not published in NCUA data |
| Phone | (605) 336-1047 |
NCUA record
| NCUA Charter | 77 |
| Federal Reserve RSSD ID | 878674 |
| Status | Active |
| Charter type | 1 (NCUA) |
| Financials as of | March 31, 2026 |
Routing number
NCUA does not publish ABA routing numbers, and many credit unions use different routing numbers by state or by account type. The reliable places to find yours: the bottom left of a check from this credit union, the "account details" screen in its online banking, or its official website.
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Offices
| Service First Federal Credit Union main office Sioux Falls, SD |
3901 E 10Th St, 57103 (605) 336-1047 Monday and Friday Lobby 9:00AM-5:30 PM Monday and Friday Drive-up 8:00AM-6:00PM Tueday Thru Thursday Lobby 9:00AM-4:30PM Tue |
| Falls Landingl Branch Sioux Falls, SD |
1300 N Morrell Ave, 57103 (605) 336-3775 Monday, Tuesday & Wednesday 9:00AM-4:30PM Thursday & Friday 8:00AM-5:30PM |
| Southwest Branch Sioux Falls, SD |
3600 S Kiwanis Ave, 57105 (605) 357-8085 Monday - Friday Lobby 9:00AM-4:30PM Monday - Friday Drive-Up 8:00AM-5:30PM Saturday 9:00AM-1:00PM |