Below is a list of Smithville IN zip codes. For your research we have also included Smithville Area Code, Time Zone, UTC and the local Monroe County FIPS Code. Each Smithville Indiana zip code has a center Longitude / Latitude point (the Smithville center is -86.50700378418 / 39.070999145508). For your convenience we have also indicated if that zip code in Smithville observes Daylight Savings time.