Warden, WA

ZIP code 98857 covers the town of Oroville, Washington. Situated in Okanogan County, this area is known for its beautiful scenery, including Lake Osoyoos and the surrounding Cascade Mountains. Main landmarks in this ZIP code include Oroville Public Library, the Old Oroville Depot Museum, and the Similkameen Trail, offering outdoor recreation opportunities such as hiking and biking.