Paterson, WA

ZIP code 99345 is located in Mattawa, Washington. This area is known for its agricultural industry, with vineyards and fruit orchards dominating the landscape. The most notable landmark in 99345 is the Ginkgo Petrified Forest State Park, which showcases ancient petrified logs and offers stunning views of the Columbia River. Mattawa also boasts the Wanapum Dam, an impressive hydroelectric facility that provides power to the region.