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Update: Due to unforeseen circumstances caused by local power line work, our Wentzville Branch lobby is currently closed. The Wentzville drive thru is open for regular business. We apologize for any inconvenience. View our hours and full network of locations.

How to Join Alltru Credit Union

We’re excited to help you achieve your financial dreams!

Alltru is a full-service credit union. That means we provide everything you would expect from a bank. But here, you’re a member – an owner of our business. Read this article to learn the differences between banks & credit unions.

As a credit union we serve members with a common interest or “field of membership.” To become a member of the Alltru you must simply meet one of the following requirements.


To be eligible, you have to live, work, worship, or attend school in:

  • City of St. Louis
  • St. Louis County
  • St. Charles County

OR you are related to a current credit union member:

  • Father
  • Mother
  • Brother
  • Sister
  • Son
  • Daughter
  • Grandmother
  • Grandfather
  • Spouse
To Apply to be a Member

You can apply to be a member in-person at any of our branches, online, through our video banking services, or by calling us at (636) 916-8300.

Don’t Forget!
You’ll need the following items to join:

  • Your Social Security Number or Individual Tax Identification Number (ITIN)
  • A U.S. government-issued photo ID (Driver’s License, Passport, State or Military ID)
  • $1 minimum deposit to open your ownership share (Primary Savings)