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SIU Credit Union

Mailing Address
P.O. Box 2888
Carbondale, IL 62902-2888

Main Branch Location
395 N. Giant City Road
Carbondale, IL 62902

Direct Line
(618) 457-3595

(800) 449-7301

Branch Locations
ATM Locations

(800) 455-0169

Lost or Stolen Credit Card:
(727) 570-4881

If outside of the country click HERE

Lost or Stolen Check Card or ATM Card:
(800) 523-4175


Visa Dispute Form

Do you need dispute a SIU Credit Union Credit, Debit or ATM Card transaction?  Download our Cardholder Dispute & Affidavit of Fraud form.  Contact our card services department at 618-549-8615 or 8616 with questions. 

Email Us

**To email us, enter your contact information and a message below. A member service representative will respond to your message (if you choose to be contacted). We typically respond to all inquiries within 24 business hours.
Click here
for individual emails listed by department.

* An email address or phone number is required in order for us to respond to your message.

**If you have a question about your account, or change on your account please do not send them here. Never send your Member Number or Password through unsecure email. Instead, call or visit your nearest branch location. If you have an address change, you may log into your Online Banking account and send your change of address securely through Online Banking messaging.

SIU Credit Union Department E-Mail Information


Reason for Contact

E-mail Address

Questions about your statement, bill payer or other bookkeeping issues
Card Services Department
Questions about your VISA Credit Card or Ultimate Check Card
Human Resource Department
Questions about employment opportunities or other HR issue
IT Department
Questions about Home Banking, web site or other technical issues
Loan Department
Questions regarding consumer loans, mortgage loans or collections
Questions about advertising, web site, or promotion
Member Service Department
Questions about your account, checking or other general issues
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