Below is a list of Round Lake MN zip codes. For your research we have also included Round Lake Area Code, Time Zone, UTC and the local Nobles County FIPS Code. Each Round Lake Minnesota zip code has a center Longitude / Latitude point (the Round Lake center is -95.472297668457 / 43.540699005127). For your convenience we have also indicated if that zip code in Round Lake observes Daylight Savings time.