Contact Us

We’re here to help! Please send us your questions, comments or concerns.

Send us a message:

Call us:

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

24-Hour ExpressLine Phone Banking:

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

Chat with us: