Need Help with Online Banking? Login Here

What identification do I need to apply for Alliant membership?

In addition to completing an Alliant membership application, you’ll need to provide the identification information and documents listed below:

Category 1: Provide one of the following:

  • A Social Security Number (SSN)
  • An unexpired ITIN and a completed W-8BEN form

Category 2: Provide a copy of one form of valid ID from this list:

  • U.S. driver’s license
  • State ID
  • Signed U.S. passport
  • Permanent resident card
  • Foreign passport

Category 3: Provide a copy of one form of address verification from this list:1

  • Utility bill
  • Lease agreement
  • Mortgage statement
  • Vehicle registration card
  • Voter registration card

Also, if you’re applying for first-time membership and your relative or domestic partner is a member, you’ll need his/her first and last name and his/her qualifying employer, organization or community. You can opt to also provide your family member’s membership account number, but it isn’t required.

If you can't apply for Alliant membership online, you can complete a hard copy application and return it, along with the supporting documents listed above, by email ([email protected]), by mail (11545 W. Touhy, Chicago, IL 60666), by fax (773-462-2124) or in person.


1. Not required for minors 17 and under

Not Finding an Answer

Submit a question to support.