Mississippi Development Authority Share: Government/State Mississippi Development Authority Visit Website 501 North West Street Jackson, MS 39205 (601) 359-2036 (601) 359-2832 (fax) www.mississippi.org Hours: 8a.m.-5p.m. Rep Info Map Whom to Contact Derek Finley What's Nearby? Distance: 5 10 15 20 25 50 mi.