Phone Numbers
Call Cornerstone CU
Our Call Center is open Monday - Friday, 8:30 a.m. to 5:00 pm.; and Saturdays, 8:30 a.m. to Noon.
- Phone:
- (815) 235-5855 (option 0)
- Toll-Free:
- 1-800-711-3277 (option 0)
- Fax:
- (815) 235-5970
EARS "Ears Audio Response System"
CCU's Telephone Teller
- Phone:
- (815) 235-5855 (option 1)
- Toll-Free:
- 1-800-711-3277 (option 1)
24/7 Lost or Stolen Cards
- Visa© Debit Check Card/ATM Card:
- 1-800-554-8969
- Visa© Credit Card:
- 1-800-444-6938
BillPay Member Support Line
24-Hour toll-free access
- Phone:
- 1-800-816-3940