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

• PHONE
  • Customer Service
    • 866-570-1238
  • For calls outside the United States
    • 00-1-515-457-2082
• MAILING
  • Payment address
    • MIT FCU
    • 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 to:
  • Mail:
    • Dispute Department
    • PO Box 10409
    • Des Moines, IA 50306
  • You may also call our customer call center at 866-570-1238 if you have further questions.
• IF YOU SUSPECT FRAUD:
  • Call 866-570-1238 immediately to report any fraud. Complete the Visa Fraud Affidavit and mail to:
  • Mail:
    • Fraud Department
    • PO Box 10409
    • Des Moines, IA 50306