In which county is ZIP code 99338 located?

ZIP 99338 is listed under Benton County, WA.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 99338: Kennewick, WA

ZIP: 99338

County: Benton County

Coordinates: 46.15600, -119.26400

ZIP Type: Standard

Time Zone: Pacific Time (PT)

Get a reliable snapshot of the Kennewick, WA postal area 99338. This page summarizes county, coordinates, and local facts to help with services and location research.

Primary City	Kennewick
ZIP Code	99338
County	Benton County
State	WA
Latitude / Longitude	46.15600, -119.26400
ZIP Type	Standard
Time Zone	Pacific Time (PT)
Data Updated	2026-01-08

Maps & Useful Links

Open in Maps: Google Maps · OpenStreetMap

These links show the approximate center point for ZIP 99338 (not an exact boundary).

Geographic & Administrative Context

For mapping and verification, 99338 is commonly represented around 46.15600, -119.26400. These coordinates help identify the general area within Benton County, WA.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 99338 for mail delivery and general location reference in Benton County, WA.

Coverage may include nearby neighborhoods and adjacent unincorporated areas commonly associated with Kennewick.

Related ZIP Codes (Nearby)

Explore other postal codes near Kennewick within WA.

Frequently Asked Questions

What is the primary city for ZIP code 99338?

The primary city for this ZIP code is Kennewick, located in WA.

In which county is 99338 located?

ZIP code 99338 is situated within Benton County, WA.

What are the coordinates for 99338?

The approximate center point is 46.15600 (Latitude) and -119.26400 (Longitude).

Is ZIP code 99338 active?

This page lists ZIP 99338 as Listed based on the latest refresh date shown above.

Does ZIP 99338 cover multiple areas?

Yes. Many ZIP codes cover multiple neighborhoods or nearby areas. For exact boundaries, use official mapping tools.

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