Jefferson Chamber of Commerce Jefferson Parish Employees Federal Credit Union Share: Credit Unions Jefferson Parish Employees Federal Credit Union Visit Website 1221 Elmwood Park Blvd., Room 207 P.O. Box 10680 Jefferson, LA 70181 Jefferson, LA 70123 5047366144 5047366139 (fax) Map What's Nearby? Distance: 5 10 15 20 25 50 mi.