Below is a list of Jennings County IN zip codes. For your research we have also included Jennings County Area Code, Time Zone, UTC and the local County FIPS Code. Each Jennings County Indiana zip code has a center Longitude / Latitude point (the Jennings County center is -85.656997680664 / 38.985500335693). For your convenience we have also indicated if that zip code in Jennings County observes Daylight Savings time.