How to Join Oklahoma’s Credit Union

Oklahoma’s Credit Union membership eligibility includes, but is not limited to, the following:

• You live, work, worship, attend school in or do business in an investment area in the Oklahoma City, Shawnee or Tulsa metro areas. If you aren’t sure if you live in an eligible area, don’t worry! We will automatically check your address when you complete your application.
• Or you work for one of OKCU’s employee partners. View a comprehensive list of employee partners below.
• Or you are a spouse, domestic partner, child, sibling, parent, grandparent or grandchild of someone who is eligible to be an OKCU member.
• Or you can qualify by joining the Oklahoma Historical Society if you are a resident of Oklahoma. OKCU will pay for your one time Oklahoma Historical Society membership fee on your behalf.

Notable Mentions & Guides

• 🏆 Listed in the 2026 Best Credit Unions in Oklahoma.
• 👉 Learn: How to Join a Credit Union →
• 🔎 Explore: Credit Union Marketplace →