Castle Rock, WA

ZIP code 98611 encompasses the town of Castle Rock in Washington. This area is home to notable landmarks such as the Castle Rock Visitor Center, which offers information about local attractions and events. The town also features the impressive Mount St. Helens Visitor Center, providing visitors with insight into the volcanic history of the region. Outdoor enthusiasts can explore nearby hiking trails, including the popular Harry's Ridge Trail offering stunning views of the surrounding landscape.