Baton Rouge Telco Federal Credit Union has been open since . It's the 12th largest credit union in Louisiana with assets totaling $326.26 Million and providing banking services to more than 28,000 members. Membership: The credit union is a community-based financial institution. People living, working, or worshipping in the credit union's geographic area can become a member and access banking services. Membership is also open to immediate family of current members.