Below is a list of Mackey IN zip codes. For your research we have also included Mackey Area Code, Time Zone, UTC and the local Gibson County FIPS Code. Each Mackey Indiana zip code has a center Longitude / Latitude point (the Mackey center is -87.393096923828 / 38.25239944458). For your convenience we have also indicated if that zip code in Mackey observes Daylight Savings time.