ZIP Code 99403: Clarkston, WA
County: Asotin
Coordinates: 46.39460, -117.06450
ZIP Type: Standard
Time Zone: Pacific Time (PT)
Get a reliable snapshot of the Clarkston, WA postal area 99403. This page summarizes county, coordinates, and local facts to help with services and location research.
| Primary City | Clarkston |
|---|
| ZIP Code | 99403 |
|---|
| County | Asotin |
|---|
| State | WA |
|---|
| Latitude / Longitude | 46.39460, -117.06450 |
|---|
| ZIP Type | Standard |
|---|
| Time Zone | Pacific Time (PT) |
|---|
| Data Updated | 2026-01-08 |
|---|
Advertisement
Maps & Useful Links
Open in Maps:
Google Maps ·
OpenStreetMap
These links show the approximate center point for ZIP 99403 (not an exact boundary).
Geographic & Administrative Context
The geographic center of ZIP code 99403 is approximately 46.39460 (latitude) and -117.06450 (longitude). This location sits within Asotin, contributing to regional planning across WA.
Local Coverage Notes
ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 99403 for mail delivery and general location reference in
Asotin,
WA.
Coverage may include nearby neighborhoods and adjacent unincorporated areas commonly associated with Clarkston.
Related ZIP Codes (Nearby)
Explore other postal codes near Clarkston within WA.
Advertisement
Frequently Asked Questions
What is the primary city for ZIP code 99403?
The primary city for this ZIP code is Clarkston, located in WA.
In which county is 99403 located?
ZIP code 99403 is situated within Asotin, WA.
What are the coordinates for 99403?
The approximate center point is 46.39460 (Latitude) and -117.06450 (Longitude).
Is ZIP code 99403 active?
This page lists ZIP 99403 as Listed based on the latest refresh date shown above.
Does ZIP 99403 cover multiple areas?
Yes. Many ZIP codes cover multiple neighborhoods or nearby areas. For exact boundaries, use official mapping tools.
Advertisement
Methodology & Data Notes
How we build this page: We generate this page from a structured ZIP dataset and refresh key fields (city, county, and coordinates) during scheduled updates. Coordinates represent an approximate center point, not an official boundary map.
Sources: Public ZIP reference datasets and geographic coordinate references. If you use specific sources (e.g., USPS, Census), list them on your About/Methodology page.
Page updated: 2026-01-08