In which county is ZIP code 98540 located?

ZIP 98540 is listed under Thurston County, WA.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 98540: East Olympia, WA

ZIP: 98540

County: Thurston County

Coordinates: 46.97810, -122.70240

ZIP Type: Standard

Time Zone: Pacific Time (PT)

Explore detailed information for ZIP code 98540 in East Olympia, WA. We include verified county details for Thurston County plus key geographic references used for mapping and logistics.

Primary City	East Olympia
ZIP Code	98540
County	Thurston County
State	WA
Latitude / Longitude	46.97810, -122.70240
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 98540 (not an exact boundary).

Geographic & Administrative Context

Coordinates for 98540 are listed as 46.97810 / -122.70240, useful for GPS and service checks in and around East Olympia, WA.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 98540 for mail delivery and general location reference in Thurston County, WA.

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

Related ZIP Codes (Nearby)

Explore other postal codes near East Olympia within WA.

Frequently Asked Questions

What is the primary city for ZIP code 98540?

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

In which county is 98540 located?

ZIP code 98540 is situated within Thurston County, WA.

What are the coordinates for 98540?

The approximate center point is 46.97810 (Latitude) and -122.70240 (Longitude).

Is ZIP code 98540 active?

This page lists ZIP 98540 as Listed based on the latest refresh date shown above.

Does ZIP 98540 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