Union Center, SD

ZIP code 57787 covers Wounded Knee, an unincorporated community on the Pine Ridge Indian Reservation in Oglala Lakota County, South Dakota. Its best-known landmark is the site of the 1890 Wounded Knee massacre, including a cemetery and memorial on a rise above the valley. The surrounding area is rural, with scattered homes and reservation roads; the site is an important place of remembrance for the Lakota people.