Zip Code 99128 is located in Farmington, Whitman county in the state of Washington. 99128 Zip Code is spread between the coordinates of +47.066613 Latitude and -117.361435 Longitude. 99128 Zip Code is part of the 509 area code. There is 1 postal office in zip code 99128 which we have listed below
On the below highlighted section you can find the cities which the US Post Office accepts for ZIP code 99128. 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.