Addition Financial Credit Union Share: Financial Services Addition Financial Credit Union Visit Website 1000 Primera Blvd Lake Mary, FL 32746 (407) 896-9411 Facebook About Map About Addition Financial, serving Central Florida since 1937, is a member-owned, not-for-profit financial cooperative, offering personal and business banking solutions that help members achieve their goals. What's Nearby? Distance: 5 10 15 20 25 50 mi.