Pasco, WA

ZIP code 99301 belongs to the Tri-Cities area in Washington state. Richland is one of the prominent cities within this ZIP code, known for the Hanford Site, a former nuclear production complex. Other notable landmarks include the Columbia River, Howard Amon Park, and the Reach Museum. With a mix of historical significance and natural beauty, ZIP code 99301 offers a diverse range of attractions for residents and visitors alike.