Contact Us
Important Notice: Information sent by electronic mail (e-mail) may not be secure when transmitted over the Internet. ACU does not recommend sending confidential information such as your account number, social security number, or credit card number via Internet e-mail. ACU Home Banking users can send secure e-mail to ACU using the MailIT feature.
For questions regarding your ACU accounts,
call (815) 267-7700 or (866) I-OWN-ACU (469-6228)
For general inquiries, e-mail memberservices@argonnecu.org
For ACU Office Hours & Locations Click Here
Additional Service Phone/Fax Numbers
VISA Customer Service: (800) 654-7728
Audio Response Teller (A.R.T.): (815) 577-8503 or (877) ACU-ART1 (228-2781)
Home Banking Support Services: (815) 267-7700
24-Hour Check Re-ordering: (800) 355-8123
Main Office Fax: 815-267-7701
