In which county is ZIP code 98570 located?

ZIP 98570 is listed under Lewis, WA.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 98570: Onalaska, WA

ZIP: 98570

County: Lewis

Coordinates: 46.57300, -122.70750

ZIP Type: Standard

Time Zone: Pacific Time (PT)

Get a reliable snapshot of the Onalaska, WA postal area 98570. This page summarizes county, coordinates, and local facts to help with services and location research.

Primary City	Onalaska
ZIP Code	98570
County	Lewis
State	WA
Latitude / Longitude	46.57300, -122.70750
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 98570 (not an exact boundary).

Geographic & Administrative Context

For mapping and verification, 98570 is commonly represented around 46.57300, -122.70750. These coordinates help identify the general area within Lewis, WA.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 98570 for mail delivery and general location reference in Lewis, WA.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Onalaska within WA.

Frequently Asked Questions

What is the primary city for ZIP code 98570?

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

In which county is 98570 located?

ZIP code 98570 is situated within Lewis, WA.

What are the coordinates for 98570?

The approximate center point is 46.57300 (Latitude) and -122.70750 (Longitude).

Is ZIP code 98570 active?

This page lists ZIP 98570 as Listed based on the latest refresh date shown above.

Does ZIP 98570 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