Usk, WA

ZIP code 99180 belongs to the town of Thornton, Washington. This rural area is characterized by its picturesque farmlands and rolling hills. The most notable landmark in this ZIP code is the Thornton Schoolhouse, a historic one-room schoolhouse that provides a glimpse into the town's past. Additionally, the peaceful and serene surroundings make it an ideal location for those seeking a quiet and idyllic retreat.