We will be CLOSED Monday, September 2, 2024 in observance of Labor Day.

Any transactions after closing Friday, August 30, 2024 will post to your account on Tuesday, September 3, 2024.

*This affects all wires & ACH transactions.

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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800-411-9331

PIN #: Unique number set at account opening.

Routing Number

073901725

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