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Call us:

General Banking Assistance:
877-747-3139  •  8:00am - 4:30pm MST

24-Hour ExpressLine Phone Banking:
800-326-1380

Online/Mobile Banking Assistance:
844-277-8860  •  6:30am - 5:00pm MST

Report Lost or Stolen Debit Card: 877-747-3139
After Hours: 800-500-1044
*Please specify Security First Bank - South Dakota when reporting