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Call Us:

General Banking Assistance:
Call (877) 747-3139
Mon – Fri 8:00am – 4:30pm MST

24-Hour ExpressLine Phone Banking:
Call (800) 326-1380

Online/Mobile Banking Assistance:
Call (844) 277-8860
Mon – Fri 6:30am – 5:00pm MST

Proceed Finance Loan Assistance:
Call (844) 565-7148
Mon – Fri 7:00am – 4:00pm MST

Report Lost or Stolen Debit Card:
Call (877) 747-3139

Fraud Alert Verification:
Call (855) 961-1602
*Please specify Security First Bank – South Dakota when reporting

Chat with us:

Click the chat icon in the lower right corner of the page to start a chat.
Chat Availability: Mon – Fri 8:00am – 5:00pm MST.