In which county is ZIP code 99402 located?

ZIP 99402 is listed under Asotin, WA.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 99402: Asotin, WA

ZIP: 99402

County: Asotin

Coordinates: 46.13430, -117.00150

ZIP Type: Standard

Time Zone: Pacific Time (PT)

Get a reliable snapshot of the Asotin, WA postal area 99402. This page summarizes county, coordinates, and local facts to help with services and location research.

Primary City	Asotin
ZIP Code	99402
County	Asotin
State	WA
Latitude / Longitude	46.13430, -117.00150
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 99402 (not an exact boundary).

Geographic & Administrative Context

The geographic center of ZIP code 99402 is approximately 46.13430 (latitude) and -117.00150 (longitude). This location sits within Asotin, contributing to regional planning across WA.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 99402 for mail delivery and general location reference in Asotin, WA.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Asotin within WA.

Frequently Asked Questions

What is the primary city for ZIP code 99402?

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

In which county is 99402 located?

ZIP code 99402 is situated within Asotin, WA.

What are the coordinates for 99402?

The approximate center point is 46.13430 (Latitude) and -117.00150 (Longitude).

Is ZIP code 99402 active?

This page lists ZIP 99402 as Listed based on the latest refresh date shown above.

Does ZIP 99402 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