In which county is ZIP code 99170 located?

ZIP 99170 is listed under Whitman, WA.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 99170: Rosalia, WA

ZIP: 99170

County: Whitman

Coordinates: 47.22180, -117.41470

ZIP Type: Standard

Time Zone: Pacific Time (PT)

Get a reliable snapshot of the Rosalia, WA postal area 99170. This page summarizes county, coordinates, and local facts to help with services and location research.

Primary City	Rosalia
ZIP Code	99170
County	Whitman
State	WA
Latitude / Longitude	47.22180, -117.41470
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 99170 (not an exact boundary).

Geographic & Administrative Context

The geographic center of ZIP code 99170 is approximately 47.22180 (latitude) and -117.41470 (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 99170 for mail delivery and general location reference in Whitman, WA.

This ZIP may extend beyond the city core into nearby communities within Whitman.

Related ZIP Codes (Nearby)

Explore other postal codes near Rosalia within WA.

Frequently Asked Questions

What is the primary city for ZIP code 99170?

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

In which county is 99170 located?

ZIP code 99170 is situated within Whitman, WA.

What are the coordinates for 99170?

The approximate center point is 47.22180 (Latitude) and -117.41470 (Longitude).

Is ZIP code 99170 active?

This page lists ZIP 99170 as Listed based on the latest refresh date shown above.

Does ZIP 99170 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