Online Banking Maintenance Alert - Our Online Banking will undergo scheduled maintenance on Sunday, February 23rd between 6:00 AM until approximately 12:00 PM CT. During this time you will not be able to access your Online Banking account. Our team is working diligently to ensure that this maintenance is completed as quickly as possible, and we thank you for your patience.

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Contact us any time with your questions, comments, or suggestions.

Help guides and tutorials are available in our Help Center.

Member Assistance Center


(800) 397-3790 or
(319) 339-1000

24/7 Phone Support Available*


mac@GreenState.org


For your protection, please do not include any confidential information, such as your Social Security Number or account number, when contacting GreenState via email.

Email questions or requests are answered by the end of the next business day.

For immediate assistance during business hours we recommend using the secure online chat function.


Online Chat

M-F 7:00 a.m.–5:45 p.m.
Sat 8:30 a.m.–12:15 p.m.
Sun Closed