Below is a list of Thayer IN zip codes. For your research we have also included Thayer Area Code, Time Zone, UTC and the local Newton County FIPS Code. Each Thayer Indiana zip code has a center Longitude / Latitude point (the Thayer center is -87.333602905273 / 41.173400878906). For your convenience we have also indicated if that zip code in Thayer observes Daylight Savings time.