Wallula, WA

ZIP code 99363 covers the small town of Walla Walla, Washington. Known for its charming downtown area filled with local shops and restaurants, as well as its vineyards and wineries that make up the Walla Walla Valley wine region. One of the most notable landmarks in this area is the Whitman Mission National Historic Site, which preserves the location of the Whitman massacre that took place in 1847.