Have a Question?
We’ve created a knowledge base of Astera CU information that you can use. If you don’t find the answer from the search field below, you can submit a question to our team.
Virtual Branch hours
Monday, Tuesday & Thursday: 9am – 5:00pm
Wednesday: 10am – 5:00pm
Friday: 9am – 5:30pm
Saturday: 9am – 1pm
Send a Message
We love hearing from our members! Fill out this convenient online form and an Astera representative will be in touch with you shortly. This form is provided through an encrypted and secure messaging system.
For lost or stolen card assistance, please call the following numbers:
MasterCard Debit Card
After business hours call 1-888-241-2510
Outside of the U.S. call 909-941-1398
To report a lost or stolen Astera Instant Issue ATM card, contact member services at 517-323-3644 or 1-800-323-0048
Visa Credit Card
To report a lost or stolen Visa Card, please contact:
Card Member Service at 1-800-558-3424
Outside of the U.S. 701-461-1556
Astera Membership Card
To report a lost or stolen Astera Membership card, contact member services at 517-323-3644 or 1-800-323-0048
Locations & ATMs
Monday Tuesday Wednesday Thursday Friday Saturday Sunday Monday Tuesday Wednesday Thursday Friday Saturday SundayPhone NumberWebsiteServicesOther InfoSubtitle
Our branches will be closed on the upcoming holiday: