99363 Zip Code
99363 zip code is located in southeast Washington. 99363 zip code is part of Walla Walla County. 99363 zip code has 44.53 square miles of land area and 13.14 square miles of water area. As of 2010-2014, the total 99363 zip code population is 21, which has shrunk 91.06% since 2000. The population growth rate is much lower than the state average rate of 17.05% and is much lower than the national average rate of 11.61%. 99363 zip code median household income is $25,893 in 2000. 99363 zip code median house value is $112,500 in 2000. On average, the public school district that covers 99363 zip code is worse than the state average in quality. The 99363 zip code area code is 509.