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Debit & Credit Cards Management

Debit Mastercard®

Contactless debit cards are a safe, secure and hassle-free way to pay!

Mobile Wallet 1

Don't get caught without your wallet! Link your debit card to your mobile wallet for secure and seamless transactions.

Credit Card Account Management

Get 24/7 account access to check your credit card balance, rewards points and more! Use the button below to access your account or enroll!


 

Debit Card Service Numbers  

Please call as soon as possible to report a lost or stolen debit card, to dispute a charge, or to report fraud.


Lost or Stolen

719.593.8600
800.223.1983

After Business Hours
833.933.1681
International Cardholders

812.647.9794

Report Fraud

719.593.8600
800.223.1983

After Business Hours
866.279.1399
International Cardholders
727.227.2447

Change PIN

719.593.8600
800.223.1983

After Business Hours
833.580.2614 
International Cardholder
833.580.2614

Dispute a Charge

719.593.8600
800.223.1983

After Business Hours
866.279.1399 

 

 

Credit Card Service Numbers & Resources 2

Please call as soon as possible to report a lost or stolen credit card.


Report Card as Lost or Stolen - Cardmember Service

For questions about your account or to report a Lost or Stolen Credit Card, call 24-Hour Cardmember Service at 800.558.3424.
Please note: Lost or stolen credit cards cannot be reported on aacu.com

Technical Support

Call 877.334.0460 for any of the following concerns or technical issues:

  • Internet browser configuration
  • Technical support
  • Issues with online account access

 

Credit Card Payments

Send a Payment 
Cardmember Service
P.O. Box 790408
St. Louis, MO 63179-0408

Send an Overnight Payment 
Cardmember Service
824 N 11th Street
St. Louis, MO 63101-1016

 

 

 

Business Debit Mastercard® Disputes

In the event you have an unauthorized transaction on your Business Debit Mastercard, call us as soon as possible to dispute a charge
719.593.8600
800.223.1983

After Business Hours
866.279.1399 

 

 

ScoreCard® for Business Debit Cards

Earn points for qualifying business debit card purchases* and redeem them for top-shelf merchandise, fuel discounts, event tickets, travel reservations, and more!

To register or login into your ScoreCard rewards, use the button below.

Access ScoreCard Account*

 

 
Locations & ATMs

Find an AACU branch or ATM, or locate thousands of surcharge-free ATMs or shared branch locations in the U.S. and Canada.

Schedule An Appointment

Life gets busy, we get it! You can schedule an appointment with a Financial Coach, Financial Advisor, Mortgage Loan Officer, and more! 

Rates

Check out current rates for checking, savings, certificates, and IRAs.

Open An Account

An easy and convenient way to open additional accounts online!

 

Disclosures

1 AACU does not charge for the use of these services; however, additional charges may apply for Internet usage depending on your wireless carrier. Standard charges and/or message and data rates from your mobile service provider may apply. Please consult your wireless provider/mobile carrier for details on correlated rates and charges.

2 The creditor and issuer of these Credit Cards is Elan Financial Services, pursuant to separate licenses from Visa U.S.A. Inc.

ScoreCard is a registered trademark of FIS.

©2023 Mastercard. All rights reserved. Mastercard® is a registered trademark of Mastercard International Incorporated.