Jefferson Chamber of Commerce Jennifer Van Vrancken Share: Government / Government Officials Jennifer Van Vrancken Visit Website 1221 Elmwood Park Blvd., Ste. 1014 Jefferson, LA 70123 (504) 736-6634 www.jeffparish.net Facebook Hours: 8:30-4:30 About Map About I serve as a Councilwoman for Jefferson Parish. My district is a vibrant area including Metairie, Old Metairie, Bucktown and Fat City. What's Nearby? Distance: 5 10 15 20 25 50 mi.