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Downtown Main Bank

601 Pierce St., Sioux City, IA

Business Hours


Monday-Friday | 9A-5P

Motor Bank

Monday-Friday | 730A-6P
Saturday | 8A-12P

Main Bank 

The Main Branch is located in the heart of the downtown Sioux City business district.  Located on the corner of Pierce and 6th Streets, Security is kitty-corner from the historic Orpheum Theatre. The Main Branch houses the majority of Security National Bank's employees.  All six floors of the building are occupied by the Bank.  See below for a floor by floor guide.

First Floor Lobby

With entrances on both Pierce and 6th Streets, the Main Branch lobby is where you will find our tellers, Personal Bankers, Business Banking Services, and Ag Lending Services.

Second Floor

If you're looking for Mortgage Services, head to the second floor.

Third Floor

You'll find Accounting, Marketing, and Human Resources on the third floor.  If you're interested in a career with Security National Bank, check out our current job openings.

Fourth Floor

Security National Bank's Executive Offices occupy the fourth floor, along with our customer service center.

Fifth Floor

Security National's Wealth Management team occupies the fifth and sixth floors. You'll find Trust Operations, Investment Services and Business Development. 

Sixth Floor

Head to sixth floor if you're looking for Trust & Estate Planning, Personal Wealth Management or 401(k) Plan Services.

Motor Bank

The Motor Bank is just a few short blocks to the north, located at 901 Pierce Street. This is a convenient location for our customers to drive through to conduct their business.

Your Branch Team

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