Holiday Hours: GreenState offices will be closed on Thursday November 26th for Thanksgiving Day.

Fraud Alert – Please be aware, GreenState will never ask for sensitive information via phone, email or text. This includes requests for passwords, secure access codes, verification codes, PIN or credit/debit card 3-digit codes.

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

Important Phone Numbers

Update Debit Card PIN (800) 717-4923
Update Credit Card PIN (888) 891-2435
Lost or Stolen Card (800) 397-3790
Lost or Stolen Card After Business Hours (833) 371-8975
Lost or Stolen Card When Traveling Abroad +1 (515) 457-2095
Card Services Fraud Department (866) 518-0213
Questions or Help with an Existing Mortgage (877) 527-3550