We will be CLOSED Friday, July 4, 2025 in observance of Independence Day.

Any transactions after closing Thursday, July 3, 2025 will post to your account on Monday, July 7, 2025.

*This affects all wires & ACH transactions.

Our Marengo Branch will close at 4pm on Thursday, July 3rd for the Marengo 3rd of July Parade.

IMPORTANT MESSAGE TO COMBAT SCAMS: Grinnell State Bank will never contact you and request your One-Time-Passcode for your online/mobile banking. If someone is claiming to be Grinnell State Bank and has requested this information, please hang up or ignore the text and call your local branch.

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Personal

PERSONAL BANKING SERVICES THAT FIT INTO YOUR LIFE

Great interest rates. No complicated rules.

At Grinnell State Bank, we know you need flexible banking options that work for your busy schedule. Through our easy-to-use app, you can deposit checks, pay bills, and check your accounts anytime, anywhere. We believe in keeping banking simple and straightforward, which is why we don’t have a complicated interest rate reward program – our new Simply Savings Account earns you money. No hoops to jump through, just deposit and earn!

LEARN MORE ABOUT OUR PERSONAL BANKING SERVICES OR GIVE US A CALL.
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*NON-DEPOSIT PRODUCTS ARE NOT FDIC INSURED – NO BANK GUARANTEE – MAY LOSE VALUE

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WE ARE CUSTOMER-FOCUSED SINCE 1925

Working hard to help you thrive

We’re proud to serve the people of Grinnell and surrounding communities since 1925. Making banking simple and convenient is part of the customer-focused philosophy we’ve had for almost 100 years, and it’s why we consistently receive excellent customer service reviews.

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WE’RE MOBILE FOR YOUR CONVENIENCE

Utilizing the latest banking tools and technology

We stay up to date on the latest banking trends and newest tech to offer you everything big banks do, but with a team commited to serving you.

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WE SUPPORT CAUSES THAT SUPPORT THE COMMUNITY

Banking with us is banking on the community

Your deposits become donations. Customers like you allow us to give back in more ways than just high-interest earning accounts. Our commitment to helping customers thrive extends to helping the community thrive. Be a part of the bank that gives back.

Benefits of Banking with Grinnell State Bank

Switch Today!

Voted Business of the Year in 2018 by the Grinnell Area Chamber of Commerce, our friendly staff is ready to help you open a new account or transfer your existing business account. Call or email us today!

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Balances, Transfers, and Account Information

800-411-9331

PIN #: Unique number set at account opening.

Routing Number

073901725

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BENEFITS OF YOUR ACCOUNT

Bringing the Bank to you

We want to make banking easy for you with 24/7 access to your accounts and convenient access to services. Have 24/7 access to all of the following without having to step foot in the bank:

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