Portland, OR

ZIP code 97231 is in Portland, Oregon, and primarily covers the area of Forest Park. This ZIP code is known for its stunning natural surroundings, with Forest Park being one of the largest urban forests in the United States. With miles of hiking trails, beautiful scenery, and wildlife, 97231 offers a peaceful retreat from the city. The iconic St. Johns Bridge, a large green suspension bridge spanning the Willamette River, is also located in this ZIP code.