On Tuesday, December 24 - All branch locations and contact center will close at noon.
On Wednesday, December 25 - All branch locations and contact center will be closed.
In the event of a government shutdown, we are ready to help affected members. Learn More.
Contact Us
We love talking to members!
There are several ways you can reach us.
Phone
In Person
If you prefer to talk to someone in person, stop by any of our branch locations and we'll be ready to answer your questions! We do what's right, not what is easy.
Schedule An Appointment
Life gets busy, we get it! You can schedule an appointment with a Financial Coach, Financial Advisor, Mortgage Mentor, and more to ensure all your banking needs are met!
Regular Business Hours
All hours of operation listed below are in the Mountain Time Zone (MT).
Monday, Tuesday, Thursday, Friday: 9:00 am - 5:00 pm
Wednesday: 10:00 am - 5:00 pm
Saturday: 9:00 am - noon
Sunday: Closed
Holiday Closures
2024
New Year's Day
January 1
Martin Luther King, Jr. Day
January 15
President's Day
February 19
Memorial Day
May 27
Juneteenth
June 19
Independence Day
July 4
Labor Day
September 2
Columbus Day
October 14
Veteran's Day
November 11
Thanksgiving Day
November 28
*Black Friday
November 29
Christmas Eve
December 24 - closed at noon
Christmas Day
December 25
New Years Eve
December 31 - closed at 3:00 pm
*Holiday hours for Air Force Academy branch only
2025
New Year's Day
January 1
Martin Luther King, Jr. Day
January 20
President's Day
February 17
Memorial Day
May 26
Juneteenth
June 19
Independence Day
July 4
Labor Day
September 1
Columbus Day
October 13
Veteran's Day
November 11
Thanksgiving Day
November 27
*Black Friday
November 28
Christmas Day
December 25
*Holiday hours for Air Force Academy branch only
Important Numbers
Debit Card Service Numbers
Please call 866.820.9793 as soon as possible to report a lost or stolen debit card, to dispute a charge, or to report fraud.
Lost or Stolen
866.820.9793
International Cardholders 727.299.2449
Report Fraud
866.820.9793
International Cardholders 727.299.2449
Change PIN
888.886.0083
International Cardholders 727.540.9434
Dispute a Charge
Credit Card Service Numbers & Resources 1
Report Card as Lost or Stolen
For questions about your account or to report a Lost or Stolen Credit Card, call 24-Hour Cardmember Service.
For Platinum AACU Credit Cards: 866.620.6733
For Signature AACU Credit Cards: 866.620.6732
Please note: Lost or stolen credit cards cannot be reported on aacu.com
Card Activation Number
Cardholder PIN Now Number
Loyalty Rewards Number
Credit Card Payments
Send a Payment
Visa Cardmember Services
P.O. Box 660348
Dallas, TX 75266-0348
Send an Overnight Payment
Visa Cardmember Services
560 Carillon Parkway
St. Petersburg, FL 33716
Business Visa® Debit Card Disputes
In the event you have an unauthorized transaction on your Business Visa Debit Card, call 719.593.8600 or 800.223.1983 us as soon as possible to dispute a charge
Email Us
This form is for general inquiries only.
Please do not include information such as account numbers, PIN numbers, Social Security Numbers, or other sensitive information.
You will receive a response within 2 business days.
For immediate assistance, please call 719.593.8600 or 800.223.1983.
Positive Stories
Your stories mean the world to us. Don't hesitate—share your story with us!
Have a Complaint?
Your happiness is important to us and we take complaints seriously. We will investigate and resolve any and all complaints in a timely manner. There are several ways you can submit a complaint, click on the link below for details.