General Banking Assistance:

877-747-3139
Mon – Fri
8:00am to 4:30pm MST

Report Lost or Stolen Debit Cards:

877-747-3139
Mon – Fri
8:00am to 4:30pm MST

Fraud Alert Verification:

855-961-1602
*Please specify Security First Bank – South Dakota when reporting.

Online/Mobile Banking Support:

844-277-8860
Mon – Fri
6:30am-5:00pm MST

24-Hour ExpressLine Phone Banking:

800-326-1380

Proceed Finance Loan Assistance:

844-565-7148
Mon – Fri
7:00am-4:00pm MST

Security First Bank Routing Number:

104113819