The L35 Foundation Share: Organizations Visit Website Request Info Derby and Surrounding Areas Derby, KANSAS (KS) 67037 (316) 210-5922 Facebook Hours: 9:00 a.m.-5:00 p.m. Monday thru Friday About Map About The L35 Foundation is a non for profit organization that raises money for sending members of the fire service to training. Directions Non Applicable What's Nearby? Distance: 5 10 15 20 25 50 mi.