In which county is ZIP code 84021 located?

ZIP 84021 is listed under Duchesne, UT.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 84021: Duchesne, UT

ZIP: 84021

County: Duchesne

Coordinates: 40.16330, -110.40290

ZIP Type: Standard

Time Zone: Mountain Time (MT)

Explore detailed information for ZIP code 84021 in Duchesne, UT. We include verified county details for Duchesne plus key geographic references used for mapping and logistics.

Primary City	Duchesne
ZIP Code	84021
County	Duchesne
State	UT
Latitude / Longitude	40.16330, -110.40290
ZIP Type	Standard
Time Zone	Mountain Time (MT)
Data Updated	2026-01-08

Maps & Useful Links

Open in Maps: Google Maps · OpenStreetMap

These links show the approximate center point for ZIP 84021 (not an exact boundary).

Geographic & Administrative Context

Coordinates for 84021 are listed as 40.16330 / -110.40290, useful for GPS and service checks in and around Duchesne, UT.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 84021 for mail delivery and general location reference in Duchesne, UT.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Duchesne within UT.

Frequently Asked Questions

What is the primary city for ZIP code 84021?

The primary city for this ZIP code is Duchesne, located in UT.

In which county is 84021 located?

ZIP code 84021 is situated within Duchesne, UT.

What are the coordinates for 84021?

The approximate center point is 40.16330 (Latitude) and -110.40290 (Longitude).

Is ZIP code 84021 active?

This page lists ZIP 84021 as Listed based on the latest refresh date shown above.

Does ZIP 84021 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