ZIP Code 99163 is located in the county of Whitman in the state of Washington. 99163 ZIP Code is spread between the coordinates of +46.7346392 Latitude and -117.17331105 Longitude. 99163 ZIP Code is part of the 509 area code. There are 0 postal offices in zip code 99163.
On the below highlighted section you can find the cities which the US Post Office accepts for ZIP code 99163. Always when you mail a package or a letter, be attentive to mention the preferred or acceptable cities. Using any city in the list of unacceptable cities may result in unforseen delays.