Mississippi Development Authority Share: Mississippi Development Authority Visit Website 501 North West Street Jackson, MS 39201 (601) 359-2844 Rep Info Map Whom to Contact Mr. Mike McGrevey Deputy Director P.O. Box 849 Jackson, MS 39205 Phone: (601) 359-2076 Fax: (601) 359-3613 Send an Email What's Nearby? Distance: 5 10 15 20 25 50 mi.