In which county is ZIP code 98511 located?

ZIP 98511 is listed under Thurston County, WA.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 98511: Tumwater, WA

ZIP: 98511

County: Thurston County

Coordinates: 46.96160, -123.02830

ZIP Type: Standard

Time Zone: Pacific Time (PT)

This profile provides an in-depth look at ZIP code 98511, serving Tumwater in WA. It lies in Thurston County and supports delivery, planning, and address verification.

Primary City	Tumwater
ZIP Code	98511
County	Thurston County
State	WA
Latitude / Longitude	46.96160, -123.02830
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 98511 (not an exact boundary).

Geographic & Administrative Context

For mapping and verification, 98511 is commonly represented around 46.96160, -123.02830. These coordinates help identify the general area within Thurston County, WA.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 98511 for mail delivery and general location reference in Thurston County, WA.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Tumwater within WA.

Frequently Asked Questions

What is the primary city for ZIP code 98511?

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

In which county is 98511 located?

ZIP code 98511 is situated within Thurston County, WA.

What are the coordinates for 98511?

The approximate center point is 46.96160 (Latitude) and -123.02830 (Longitude).

Is ZIP code 98511 active?

This page lists ZIP 98511 as Listed based on the latest refresh date shown above.

Does ZIP 98511 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