Below is a list of Jonesboro IN zip codes. For your research we have also included Jonesboro Area Code, Time Zone, UTC and the local Grant County FIPS Code. Each Jonesboro Indiana zip code has a center Longitude / Latitude point (the Jonesboro center is -85.627899169922 / 40.480201721191). For your convenience we have also indicated if that zip code in Jonesboro observes Daylight Savings time.