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Scam Calls:

We’ve received reports that scammers are spoofing our phone number (844-277-8860) and posing as one of our team members. We will NEVER ask for account numbers, card numbers, PINs, passwords, or online banking credentials. If you receive a suspicious call, hang up and contact your local branch directly. If you shared personal information, please call us immediately.

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Security First Bank Service: Checking Accounts

Checking Accounts
Security First Bank Service: Insurance

Insurance
Security First Bank Service: Save Money

Save Money
Security First Bank Service: Home Loans

Home Loans
Security First Bank Service: Credit Cards

Credit Cards
Security First Bank Service: Business Banking

Business Banking
Security First Bank Service: Find a Branch / ATM

Find a Branch / ATM
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Fall Crop Insurance Deadline: September 30

September 30 is the deadline to purchase or make changes to your Fall Crop Insurance coverage. As harvest approaches, now is the time to review your policy and ensure your operation has the protection it needs.

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Banzai Financial Education

Back-to-school season is the perfect time to build a strong financial foundation! We’ve partnered with Banzai to provide free, interactive financial education resources that help students and families in our communities develop lifelong money management skills.

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Construction Loans

Building your dream home starts with the right financing. Learn more about our Construction Loan options and connect with our mortgage team to get started.

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Need to Split the Bill?

Send and receive money with people you trust using Zelle® in the Security First Bank mobile app.

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Fraud Protection

Stay ahead of fraud with the latest tips, alerts, and tools. Explore ways to protect your accounts and personal information.

Security First Bank: Banking with you in mind

At Security First Bank, it’s all about you! We make banking easier than ever with our complete approach to customer service. We believe that attention to detail, flexible and innovative services and remarkable customer care are the pillars of successful community banking, and we’ve been committed to those standards since our founding in 1898. We offer personal and business banking, savings, loans, home mortgage, and full insurance services. Whether you have small or large-scale needs, we’re here to serve you.

Security First Bank Callout Icon: Debit Cards

Debit Cards
Security First Bank Callout Icon: Important Numbers

Important
Numbers
Security First Bank Callout Icon: Fraud Protection

Fraud
Protection
Security First Bank Callout Icon: Switch Kit

Switch
Kit
Security First Bank Callout Icon: Order Checks

Order
Checks

Community News

Security First Bank Supports He Sapa Otipi’s Vision for New Indigenous-led Community CenterSecurity First Bank Supports He Sapa Otipi’s Vision for New Indigenous-led Community Center

Security First Bank Supports He Sapa Otipi’s Vision for New Indigenous-led Community Center

July 23rd, 2026

Rapid City, S.D. — He Sapa Otipi is grateful to announce a generous gift from Security First Bank in support of its capital campaign to build…

Summer Road Trip Budgeting with BanzaiSummer Road Trip Budgeting with Banzai

Summer Road Trip Budgeting with Banzai

June 25th, 2026

Hit the Road Without Breaking the Bank: Summer Road Trip Budgeting Made Easy There’s nothing quite like a summer road trip. Whether you’re heading to…

Root Beer Float Days 2026Root Beer Float Days 2026

Root Beer Float Days 2026

June 14th, 2026

Celebrate Summer with Us During Root Beer Float Days! Summer is all about community, connection, and creating memories, and we’re excited to bring all three…