Clayton, WA

ZIP code 99110 covers the town of Colfax in Whitman County, Washington. This charming town is home to the historic Codger Pole, a totem pole carved by local artists in tribute to the area's pioneer heritage. The Whitman County Library, featuring a wide array of resources and programs, is also a notable landmark in the area. Additionally, visitors can explore the scenic beauty of nearby Steptoe Butte State Park.