Zip Code 99403 is located in Clarkston, Asotin county in the state of Washington. 99403 Zip Code is spread between the coordinates of +46.369711 Latitude and -117.225934 Longitude. 99403 Zip Code is part of the 509 area code. There is 1 postal office in zip code 99403 which we have listed below
On the below highlighted section you can find the cities which the US Post Office accepts for ZIP code 99403. 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.