ZIP Code 99401 is located in the county of Asotin in the state of Washington. 99401 ZIP Code is spread between the coordinates of +46.1088460 Latitude and -117.20126304 Longitude. 99401 ZIP Code is part of the 509 area code. There are 0 postal offices in zip code 99401.
On the below highlighted section you can find the cities which the US Post Office accepts for ZIP code 99401. 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.