Contact Us

We are happy to assist you. If you have a general question regarding your credit card account, please review our Frequently Asked Questions. Otherwise, contact us by phone or mail.

  • LOST AND/OR STOLEN:
  • If you suspect your card has been lost and/or stolen, please call our customer call center at 1-800-234-5354 immediately.
  • PHONE
    • Customer Service
    • 1-800-234-5354
    • For calls outside the United States
    • 1-515-457-2082
  • MAILING
    • Payment address:
    • Minnco Credit Union
      PO Box 37035
      Boone, IA 50037-0035

  • DISPUTE A TRANSACTION:
    • If you do not recognize a charge or feel you were billed an incorrect amount, please follow these three steps. First, double-check your receipts and check with other authorized users of your card. Second, contact the merchant where the purchase originated. Finally, if you are unable to resolve your dispute with the merchant, complete the Visa Dispute Form and mail or fax to:

    • Mail:
    • Cards Services
      Disputes Department
      PO Box 10409
      Des Moines, IA 50306-0409
    • Fax:
    • (515) 457-2074
You may also call our customer call center at 1-800-268-1884 if you have further questions.
  • IF YOU SUSPECT FRAUD:
    • Call 1-800-268-1884 immediately to report any fraud. Complete the Fraud Affidavit and mail or fax to:

    • Mail:
    • Cards Services
      Fraud Department
      PO Box 10409
      Des Moines, IA 50306-0409
    • Fax:
    • (515)457-2074