ZIP code · Clarkston · Washington · United States

ZIP code 99403 — Clarkston

Name: Clarkston (99403)
Address: Washington, 99403, US

ZIP code 99403 serves Clarkston, Washington.

Postal code: 99403
Single source Value from one source, not cross-checked.
City: Clarkston
County: Asotin
State: Washington
Country: United States
Coordinates: 46.3946, -117.0645 — precision precise (locality)
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Nearby localities

99179Uniontown · 15 km
99113Colton · 23 km
99402Asotin · 29 km
99401Anatone · 30 km
99164Pullman · 38 km
99163Pullman · 39 km
99347Pomeroy · 42 km
99102Albion · 46 km
99161Palouse · 57 km
99111Colfax · 59 km

About this page

US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.

GeoNames. Data generated on 2026-08-21. Methodology · Report an error on this page