Below is a list of Greentown IN zip codes. For your research we have also included Greentown Area Code, Time Zone, UTC and the local Howard County FIPS Code. Each Greentown Indiana zip code has a center Longitude / Latitude point (the Greentown center is -85.963996887207 / 40.478000640869). For your convenience we have also indicated if that zip code in Greentown observes Daylight Savings time.