Below is a list of Cromwell MN zip codes. For your research we have also included Cromwell Area Code, Time Zone, UTC and the local Carlton County FIPS Code. Each Cromwell Minnesota zip code has a center Longitude / Latitude point (the Cromwell center is -92.872802734375 / 46.679401397705). For your convenience we have also indicated if that zip code in Cromwell observes Daylight Savings time.