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.
Grinnell State Banks consolidates the Grinnell and Malcom branches into the Grinnell Branch
Grinnell State Bank purchases the book of business from Rohrer Insurance in Marengo
Grinnell State Bank acquires three locations in Johnston, Polk City & Urbandale – formerly Polk County Bank
Balances, Transfers, and Account Information
PIN #: Unique number set at account opening.
073901725
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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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You are accessing a printable version of Grinnell State Bank’s Online Banking Terms and Conditions. There are hyperlinks appearing within the document to access additional bank policy information referenced by the link. The links are for reference only, please contact the bank directly to request a copy of the referenced information.
