Below is a list of Garrett IN zip codes. For your research we have also included Garrett Area Code, Time Zone, UTC and the local De Kalb County FIPS Code. Each Garrett Indiana zip code has a center Longitude / Latitude point (the Garrett center is -85.135696411133 / 41.351398468018). For your convenience we have also indicated if that zip code in Garrett observes Daylight Savings time.