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
Total assets
$210.05 million
Branches
3
NCUA-insured since
1971
Established
1934

Headquarters and contact

Address3901 East 10Th Street
Sioux Falls, SD 57103
CountyMinnehaha
Websitenot published in NCUA data
Phone(605) 336-1047

NCUA record

NCUA Charter77
Federal Reserve RSSD ID878674
StatusActive
Charter type1 (NCUA)
Financials as ofMarch 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.
See how your odds compare before you apply at Service First.

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

Where Service First has offices

Other credit unions headquartered in Sioux Falls

Levo$526.57 million
Voyage$282.43 million
Bluestone$212.57 million