In which county is ZIP code 99140 located?

ZIP 99140 is listed under Ferry, WA.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 99140: Keller, WA

ZIP: 99140

County: Ferry

Coordinates: 48.02360, -118.65470

ZIP Type: Standard

Time Zone: Pacific Time (PT)

Get a reliable snapshot of the Keller, WA postal area 99140. This page summarizes county, coordinates, and local facts to help with services and location research.

Primary City	Keller
ZIP Code	99140
County	Ferry
State	WA
Latitude / Longitude	48.02360, -118.65470
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 99140 (not an exact boundary).

Geographic & Administrative Context

Coordinates for 99140 are listed as 48.02360 / -118.65470, useful for GPS and service checks in and around Keller, WA.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 99140 for mail delivery and general location reference in Ferry, WA.

Coverage may include nearby neighborhoods and adjacent unincorporated areas commonly associated with Keller.

Related ZIP Codes (Nearby)

Explore other postal codes near Keller within WA.

Frequently Asked Questions

What is the primary city for ZIP code 99140?

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

In which county is 99140 located?

ZIP code 99140 is situated within Ferry, WA.

What are the coordinates for 99140?

The approximate center point is 48.02360 (Latitude) and -118.65470 (Longitude).

Is ZIP code 99140 active?

This page lists ZIP 99140 as Listed based on the latest refresh date shown above.

Does ZIP 99140 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