Custer Office · Custer, SD
Sentinel Federal Credit Union
18 Mount Rushmore Rd, Custer, SD 57730
Right now
Call to check
The hours this branch filed could not be read as a weekly schedule. They are shown below as filed.
- Address
- 18 Mount Rushmore Rd, Custer, SD 57730
- Phone
- (605) 673-4416
- At this location
- ATM, Drive-thru, Member services
- County
- Custer
- Type
- Federal credit union
Hours
Hours as filed with the NCUA: Monday thru Thursday 9:00a.m.-5:00p.m.Friday 8:00a.m. to 5:30p.m.Saturday 9:00a.m. to 12:00p.m.
Sentinel Federal Credit Union
- Members
- 10,004
- Total assets
- $199.3 million
- Locations
- 8
- Insurance
- NCUA
About Sentinel Federal Credit Union
Federal credit union, insured by the NCUA. All 8 locations →
Headquartered in Box Elder, SD. Deposits are insured by the NCUA up to $250,000 per member, per ownership category. Each credit union decides who can join, for example people who live or work in an area, or work for a certain employer. Its website lists who is eligible.
Other Sentinel locations nearby
- Hill CIty Office553 E Main St · Hill CityHours as filed11 mi
- Haines1430 Haines Ave Ste 101 · Rapid City30 mi
- Triple Crown4011 Triple Crown Dr · Rapid City33 mi
- Radar Hill Branch22752 Mule Deer Trl · Box ElderHours as filed35 mi
- Liberty Branch441 N Ellsworth Rd · Box Elder37 mi
- Main2723 Lemay Blvd · Ellsworth Afb · Main office37 mi
Other credit unions near 18 Mount Rushmore Rd
Source: NCUA quarterly credit union data, cycle June 30, 2026. Distances are straight-line. Holiday closures are not in the data; call before you go.