Zip code 99403

Zip code 99403, WA

The zip code 99403, type standard, belongs to Clarkston . It is part of the county Asotin County, state of Washington. It has an estimated population of 16630.

The postal code 99403 has only one denomination. If you are going to use the postal service be sure to use only those denominations marked as official (Clarkston).