Below is a list of Ironwood MI zip codes. For your research we have also included Ironwood Area Code, Time Zone, UTC and the local Gogebic County FIPS Code. Each Ironwood Michigan zip code has a center Longitude / Latitude point (the Ironwood center is -90.156700134277 / 46.456298828125). For your convenience we have also indicated if that zip code in Ironwood observes Daylight Savings time.