In which county is ZIP code 99174 located?

ZIP 99174 is listed under Whitman, WA.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 99174: Steptoe, WA

ZIP: 99174

County: Whitman

Coordinates: 47.00600, -117.35600

ZIP Type: Standard

Time Zone: Pacific Time (PT)

This profile provides an in-depth look at ZIP code 99174, serving Steptoe in WA. It lies in Whitman and supports delivery, planning, and address verification.

Primary City	Steptoe
ZIP Code	99174
County	Whitman
State	WA
Latitude / Longitude	47.00600, -117.35600
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 99174 (not an exact boundary).

Geographic & Administrative Context

Coordinates for 99174 are listed as 47.00600 / -117.35600, useful for GPS and service checks in and around Steptoe, WA.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 99174 for mail delivery and general location reference in Whitman, WA.

Some addresses near Steptoe may share this ZIP due to delivery routing and local service areas.

Related ZIP Codes (Nearby)

Explore other postal codes near Steptoe within WA.

Frequently Asked Questions

What is the primary city for ZIP code 99174?

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

In which county is 99174 located?

ZIP code 99174 is situated within Whitman, WA.

What are the coordinates for 99174?

The approximate center point is 47.00600 (Latitude) and -117.35600 (Longitude).

Is ZIP code 99174 active?

This page lists ZIP 99174 as Listed based on the latest refresh date shown above.

Does ZIP 99174 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