In which county is ZIP code 99371 located?

ZIP 99371 is listed under Adams, WA.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 99371: Washtucna, WA

ZIP: 99371

County: Adams

Coordinates: 46.82090, -118.28620

ZIP Type: Standard

Time Zone: Pacific Time (PT)

This profile provides an in-depth look at ZIP code 99371, serving Washtucna in WA. It lies in Adams and supports delivery, planning, and address verification.

Primary City	Washtucna
ZIP Code	99371
County	Adams
State	WA
Latitude / Longitude	46.82090, -118.28620
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 99371 (not an exact boundary).

Geographic & Administrative Context

The geographic center of ZIP code 99371 is approximately 46.82090 (latitude) and -118.28620 (longitude). This location sits within Adams, contributing to regional planning across WA.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 99371 for mail delivery and general location reference in Adams, WA.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Washtucna within WA.

Frequently Asked Questions

What is the primary city for ZIP code 99371?

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

In which county is 99371 located?

ZIP code 99371 is situated within Adams, WA.

What are the coordinates for 99371?

The approximate center point is 46.82090 (Latitude) and -118.28620 (Longitude).

Is ZIP code 99371 active?

This page lists ZIP 99371 as Listed based on the latest refresh date shown above.

Does ZIP 99371 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