In which county is ZIP code 99020 located?

ZIP 99020 is listed under Spokane, WA.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 99020: Marshall, WA

ZIP: 99020

County: Spokane

Coordinates: 47.61770, -117.59260

ZIP Type: Standard

Time Zone: Pacific Time (PT)

Get a reliable snapshot of the Marshall, WA postal area 99020. This page summarizes county, coordinates, and local facts to help with services and location research.

Primary City	Marshall
ZIP Code	99020
County	Spokane
State	WA
Latitude / Longitude	47.61770, -117.59260
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 99020 (not an exact boundary).

Geographic & Administrative Context

For mapping and verification, 99020 is commonly represented around 47.61770, -117.59260. These coordinates help identify the general area within Spokane, WA.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 99020 for mail delivery and general location reference in Spokane, WA.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Marshall within WA.

Frequently Asked Questions

What is the primary city for ZIP code 99020?

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

In which county is 99020 located?

ZIP code 99020 is situated within Spokane, WA.

What are the coordinates for 99020?

The approximate center point is 47.61770 (Latitude) and -117.59260 (Longitude).

Is ZIP code 99020 active?

This page lists ZIP 99020 as Listed based on the latest refresh date shown above.

Does ZIP 99020 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