PHISHING ALERT: Beware of phishing emails imitating GreenState Credit Union with "Signature Required" in the subject line. If you have any reason to doubt the validity of an email, never click on a link or open an attachment. If you are unsure of a communication you received, reach out to us to confirm at 800-397-3790 or chat with us at GreenState.org.

Member Support

We’d love to hear from you!

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

Help guides and tutorials are available in our Help Center.

Member Assistance Center


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

M-F 7:00 a.m.–6:00 p.m.
Sat 8:30 a.m.–12:30 p.m.
Sun Closed


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 am – 5:45 pm
Sat 8:30 am – 12:15 pm
Sun Closed