Thornton, Washington
Thornton is an unincorporated community in Whitman County, Washington, United States. Founded in 1889 by P.M. Sheehan, Thornton is located near U.S. Route 195,  west of Oakesdale. Thornton had a post office with ZIP code 99176. References

Unincorporated communities in Whitman County, Washington
Unincorporated communities in Washington (state)