Mattawa, WA

ZIP code 99349 belongs to Mattawa, Washington. This agricultural community is home to the Gorge Amphitheatre, a popular music venue known for its stunning views of the Columbia River Gorge. Other landmarks in the area include the Wanapum State Park, offering opportunities for outdoor recreation, and the Wahluke Slope AVA, known for its vineyards and wineries producing high-quality wines.