In which county is ZIP code 99176 located?

ZIP 99176 is listed under Whitman, WA.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 99176: Thornton, WA

ZIP: 99176

County: Whitman

Coordinates: 47.12530, -117.38640

ZIP Type: Standard

Time Zone: Pacific Time (PT)

Get a reliable snapshot of the Thornton, WA postal area 99176. This page summarizes county, coordinates, and local facts to help with services and location research.

Primary City	Thornton
ZIP Code	99176
County	Whitman
State	WA
Latitude / Longitude	47.12530, -117.38640
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 99176 (not an exact boundary).

Geographic & Administrative Context

The geographic center of ZIP code 99176 is approximately 47.12530 (latitude) and -117.38640 (longitude). This location sits within Whitman, contributing to regional planning across WA.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 99176 for mail delivery and general location reference in Whitman, WA.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Thornton within WA.

Frequently Asked Questions

What is the primary city for ZIP code 99176?

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

In which county is 99176 located?

ZIP code 99176 is situated within Whitman, WA.

What are the coordinates for 99176?

The approximate center point is 47.12530 (Latitude) and -117.38640 (Longitude).

Is ZIP code 99176 active?

This page lists ZIP 99176 as Listed based on the latest refresh date shown above.

Does ZIP 99176 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