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Security First Bank and Zelle

Introducing Zelle®

Zelle is a fast, safe and easy way to send money to your friends and family, and it's now available in your Security First Bank mobile banking app!

The addition of this service has caused us to update some of our policies. To view these changes, please click the links below.

Contact Us

We’re here to help! Please send us your questions, comments or concerns. Please note that email is not secure and confidential information should never be transmitted via email.

Send us a message:



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


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