Round Lake, MN

ZIP code 56167 belongs to the small town of Petersburg, Minnesota. Situated in Nicollet County, this rural area is known for its picturesque landscapes and agricultural fields. The main landmarks in ZIP code 56167 include the nearby Traverse des Sioux Historic Site, which commemorates an important treaty signing between the Dakota and the U.S. government, and the Kasota Prairie, a protected natural area teeming with native flora and fauna.