Credit Card Contact Numbers:

• C1CU Dedicated Number
  • Phone: (833) 574-3455
• Card Lost/Stolen
  • Option #1 - You’ll be connected to your credit card processor for immediate suspension of your card. C1CU will then contact you the following banking day to review all card activity.
• Report Fraud
  • Option #1
• General Card Support
  • Option #1
• Card Activation
  • Option #2 - Or (888) 691-8661
• PIN NOW
  • Option #3 - Or (888)891-2435 
• Payments
  • Accepted at the Branches OR by mail: PO Box 37035, Boone, IA 50037-0035

Debit Card Contact Numbers:

• Lost or Stolen Cards
  • Within the U.S. (888) 241-2510
  • Outside the U.S. (909) 941-1398

You’ll be connected to your credit card processor for immediate suspension of your card. C1CU will then contact you the following banking day to review all card activity.