US Post OfficeWrite a Review800-275-8777Be the first to review!1 SE 1st St, Okreek, SD 57563Hi there!Be the first to review!5First-class4Better than most3About what I expected2Not the worst...1DisappointingClick to RateMore Business InfoHoursRegular HoursMon-Fri 9:30am - 11:30am Sat 8:00am - 11:30am Sun Closed Street Parking AvailableOther Linkhttps://www.usps.comCategoriesPost Offices, Mail & Shipping Services Suggest an Edit