Call Center
PO Box 700
Box Elder SD 57719
Call Center Hours
Mon 7:30am - 5:30pm
Tue 7:30am - 5:30pm
Wed 7:30am - 5:30pm
Thu 7:30am - 5:30pm
Fri 7:30am - 5:30pm
Sat Closed
Sun Closed
Tue 7:30am - 5:30pm
Wed 7:30am - 5:30pm
Thu 7:30am - 5:30pm
Fri 7:30am - 5:30pm
Sat Closed
Sun Closed
Phone
605-923-1405Toll-Free
888-923-1400Overseas DSN
675-630-3Fax
605-923-3960Box Elder Branch
22752 Mule Deer Trail
Box Elder SD 57719
Drive-Up Hours Lobby Hours
Mon 8:30am - 4:30pm
Tue 8:30am - 4:30pm
Wed 8:30am - 4:30pm
Thu 8:30am - 4:30pm
Fri 8:30am - 4:30pm
Sat Closed
Sun Closed
Tue 8:30am - 4:30pm
Wed 8:30am - 4:30pm
Thu 8:30am - 4:30pm
Fri 8:30am - 4:30pm
Sat Closed
Sun Closed
Mon 9:00am - 4:30pm
Tue 9:00am - 4:30pm
Wed 9:00am - 4:30pm
Thu 9:00am - 4:30pm
Fri 9:00am - 4:30pm
Sat Closed
Sun Closed
Tue 9:00am - 4:30pm
Wed 9:00am - 4:30pm
Thu 9:00am - 4:30pm
Fri 9:00am - 4:30pm
Sat Closed
Sun Closed
Custer Branch
18 Mount Rushmore Road
Custer SD 57730
Lobby Hours Drive-Up Hours
Mon 9:00am - 5:00pm
Tue 9:00am - 5:00pm
Wed 9:00am - 5:00pm
Thu 9:00am - 5:00pm
Fri 9:00am - 5:00pm
Sat Closed
Sun Closed
Tue 9:00am - 5:00pm
Wed 9:00am - 5:00pm
Thu 9:00am - 5:00pm
Fri 9:00am - 5:00pm
Sat Closed
Sun Closed
Mon 8:00am - 5:00pm
Tue 8:00am - 5:00pm
Wed 8:00am - 5:00pm
Thu 8:00am - 5:00pm
Fri 8:00am - 5:30pm
Sat Closed
Sun Closed
Tue 8:00am - 5:00pm
Wed 8:00am - 5:00pm
Thu 8:00am - 5:00pm
Fri 8:00am - 5:30pm
Sat Closed
Sun Closed
Ellsworth AFB - Main Office
2723 Lemay Blvd
Ellsworth AFB SD 57706
Lobby Hours
Mon 9:00am - 5:00pm
Tue 9:00am - 5:00pm
Wed 9:00am - 5:00pm
Thu 9:00am - 5:00pm
Fri 9:00am - 5:00pm
Sat Closed
Sun Closed
Tue 9:00am - 5:00pm
Wed 9:00am - 5:00pm
Thu 9:00am - 5:00pm
Fri 9:00am - 5:00pm
Sat Closed
Sun Closed
Phone
605-923-1405Toll-Free
888-923-1400Overseas DSN
675-630-3Fax
605-923-3960Hill City Branch
553 E Main St
Hill City SD 57745
Lobby Hours
Mon 8:00am - 5:00pm
Tue 8:00am - 5:00pm
Wed 8:00am - 5:00pm
Thu 8:00am - 5:00pm
Fri 8:00am - 5:00pm
Sat 9:00am - 12:00pm
Sun Closed
Tue 8:00am - 5:00pm
Wed 8:00am - 5:00pm
Thu 8:00am - 5:00pm
Fri 8:00am - 5:00pm
Sat 9:00am - 12:00pm
Sun Closed
Rapid City - Haines Branch
1430 Haines Ave
Ste 101
Rapid City SD 57701
Lobby Hours Drive-Up Hours
Mon 9:00am - 5:00pm
Tue 9:00am - 5:00pm
Wed 9:00am - 5:00pm
Thu 9:00am - 5:00pm
Fri 9:00am - 5:00pm
Sat Closed
Sun Closed
Tue 9:00am - 5:00pm
Wed 9:00am - 5:00pm
Thu 9:00am - 5:00pm
Fri 9:00am - 5:00pm
Sat Closed
Sun Closed
Mon 7:30am - 5:30pm
Tue 7:30am - 5:30pm
Wed 7:30am - 5:30pm
Thu 7:30am - 5:30pm
Fri 7:30am - 5:30pm
Sat 9:00am - 12:00pm
Sun Closed
Tue 7:30am - 5:30pm
Wed 7:30am - 5:30pm
Thu 7:30am - 5:30pm
Fri 7:30am - 5:30pm
Sat 9:00am - 12:00pm
Sun Closed
Rapid City - Triple Crown
4011 Triple Crown Dr
Rapid City SD 57701
Lobby Hours Drive-Up Hours
Mon 9:00am - 5:00pm
Tue 9:00am - 5:00pm
Wed 9:00am - 5:00pm
Thu 9:00am - 5:00pm
Fri 9:00am - 5:00pm
Sat Closed
Sun Closed
Tue 9:00am - 5:00pm
Wed 9:00am - 5:00pm
Thu 9:00am - 5:00pm
Fri 9:00am - 5:00pm
Sat Closed
Sun Closed
Mon 8:00am - 5:00pm
Tue 8:00am - 5:00pm
Wed 8:00am - 5:00pm
Thu 8:00am - 5:00pm
Fri 8:00am - 5:30pm
Sat 9:00am - 12:00pm
Sun Closed
Tue 8:00am - 5:00pm
Wed 8:00am - 5:00pm
Thu 8:00am - 5:00pm
Fri 8:00am - 5:30pm
Sat 9:00am - 12:00pm
Sun Closed
Winner Branch
511 E 2nd St.
Winner SD 57580
Lobby Hours Drive-Up Hours
Mon 8:30am - 3:30pm
Tue 8:30am - 3:30pm
Wed 8:30am - 3:30pm
Thu 8:30am - 3:30pm
Fri 8:30am - 3:30pm
Sat Closed
Sun Closed
Tue 8:30am - 3:30pm
Wed 8:30am - 3:30pm
Thu 8:30am - 3:30pm
Fri 8:30am - 3:30pm
Sat Closed
Sun Closed
Mon 8:00am - 3:30pm
Tue 8:00am - 3:30pm
Wed 8:00am - 3:30pm
Thu 8:00am - 3:30pm
Fri 8:00am - 3:30pm
Sat Closed
Sun Closed
Tue 8:00am - 3:30pm
Wed 8:00am - 3:30pm
Thu 8:00am - 3:30pm
Fri 8:00am - 3:30pm
Sat Closed
Sun Closed
-
Call Center
Box Elder SD 57719
Call Center
PO Box 700
Box Elder SD 57719Call Center Hours
Mon 7:30am - 5:30pm
Tue 7:30am - 5:30pm
Wed 7:30am - 5:30pm
Thu 7:30am - 5:30pm
Fri 7:30am - 5:30pm
Sat Closed
Sun Closed
Phone
605-923-1405Toll-Free
888-923-1400Overseas DSN
675-630-3Fax
605-923-3960
Email
service@sentinelfcu.org -
Box Elder Branch
Box Elder SD 57719
Box Elder Branch
22752 Mule Deer Trail
Box Elder SD 57719Drive-Up Hours
Mon 8:30am - 4:30pm
Tue 8:30am - 4:30pm
Wed 8:30am - 4:30pm
Thu 8:30am - 4:30pm
Fri 8:30am - 4:30pm
Sat Closed
Sun Closed
Lobby Hours
Mon 9:00am - 4:30pm
Tue 9:00am - 4:30pm
Wed 9:00am - 4:30pm
Thu 9:00am - 4:30pm
Fri 9:00am - 4:30pm
Sat Closed
Sun Closed
Phone
605-923-1405Toll-Free
888-923-1400Fax
605-791-5511
Email
service@sentinelfcu.org -
Custer Branch
Custer SD 57730
Custer Branch
18 Mount Rushmore Road
Custer SD 57730Lobby Hours
Mon 9:00am - 5:00pm
Tue 9:00am - 5:00pm
Wed 9:00am - 5:00pm
Thu 9:00am - 5:00pm
Fri 9:00am - 5:00pm
Sat Closed
Sun Closed
Drive-Up Hours
Mon 8:00am - 5:00pm
Tue 8:00am - 5:00pm
Wed 8:00am - 5:00pm
Thu 8:00am - 5:00pm
Fri 8:00am - 5:30pm
Sat Closed
Sun Closed
Phone
605-923-1405Toll-Free
888-923-1400Fax
605-673-5385
Email
service@sentinelfcu.org -
Ellsworth AFB - Main Office
Ellsworth AFB SD 57706
Ellsworth AFB - Main Office
2723 Lemay Blvd
Ellsworth AFB SD 57706Lobby Hours
Mon 9:00am - 5:00pm
Tue 9:00am - 5:00pm
Wed 9:00am - 5:00pm
Thu 9:00am - 5:00pm
Fri 9:00am - 5:00pm
Sat Closed
Sun Closed
Phone
605-923-1405Toll-Free
888-923-1400Overseas DSN
675-630-3Fax
605-923-3960
Email
service@sentinelfcu.org -
Hill City Branch
Hill City SD 57745
Hill City Branch
553 E Main St
Hill City SD 57745Lobby Hours
Mon 8:00am - 5:00pm
Tue 8:00am - 5:00pm
Wed 8:00am - 5:00pm
Thu 8:00am - 5:00pm
Fri 8:00am - 5:00pm
Sat 9:00am - 12:00pm
Sun Closed
Phone
605-923-1405Toll-Free
888-923-1400Fax
605-574-9598
Email
service@sentinelfcu.org -
Rapid City - Haines Branch
Rapid City SD 57701
Rapid City - Haines Branch
1430 Haines Ave
Ste 101
Rapid City SD 57701Lobby Hours
Mon 9:00am - 5:00pm
Tue 9:00am - 5:00pm
Wed 9:00am - 5:00pm
Thu 9:00am - 5:00pm
Fri 9:00am - 5:00pm
Sat Closed
Sun Closed
Drive-Up Hours
Mon 7:30am - 5:30pm
Tue 7:30am - 5:30pm
Wed 7:30am - 5:30pm
Thu 7:30am - 5:30pm
Fri 7:30am - 5:30pm
Sat 9:00am - 12:00pm
Sun Closed
Phone
605-923-1405Toll-Free
888-923-1400Fax
605-348-8047
Email
service@sentinelfcu.org -
Rapid City - Triple Crown
Rapid City SD 57701
Rapid City - Triple Crown
4011 Triple Crown Dr
Rapid City SD 57701Lobby Hours
Mon 9:00am - 5:00pm
Tue 9:00am - 5:00pm
Wed 9:00am - 5:00pm
Thu 9:00am - 5:00pm
Fri 9:00am - 5:00pm
Sat Closed
Sun Closed
Drive-Up Hours
Mon 8:00am - 5:00pm
Tue 8:00am - 5:00pm
Wed 8:00am - 5:00pm
Thu 8:00am - 5:00pm
Fri 8:00am - 5:30pm
Sat 9:00am - 12:00pm
Sun Closed
Phone
605-923-1405Toll-Free
888-923-1400Fax
605-342-2055
Email
service@sentinelfcu.org -
Winner Branch
Winner SD 57580
Winner Branch
511 E 2nd St.
Winner SD 57580Lobby Hours
Mon 8:30am - 3:30pm
Tue 8:30am - 3:30pm
Wed 8:30am - 3:30pm
Thu 8:30am - 3:30pm
Fri 8:30am - 3:30pm
Sat Closed
Sun Closed
Drive-Up Hours
Mon 8:00am - 3:30pm
Tue 8:00am - 3:30pm
Wed 8:00am - 3:30pm
Thu 8:00am - 3:30pm
Fri 8:00am - 3:30pm
Sat Closed
Sun Closed
Phone
605-842-3581Toll-Free
888-923-1400Fax
605-842-1370
Email
service@sentinelfcu.org