ZIP Code 99161 is located in the county of Whitman in the state of Washington. 99161 ZIP Code is spread between the coordinates of +46.9082562 Latitude and -117.08830098 Longitude. 99161 ZIP Code is part of the 509 area code. There is 1 postal office in zip code 99161.
On the below highlighted section you can find the cities which the US Post Office accepts for ZIP code 99161. 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.