ZIP Code 99161 is located in Whitman county in the state of Washington. 99161 ZIP Code is spread between the coordinates of +46.770141 Latitude and -117.157476 Longitude. 99161 ZIP Code is part of the 509 area code. There is 1 postal office in zip code 99161 which we have listed below.
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.