ZIP Code 84001

84001 is one of Utah's ZIP codes, delivering to addresses in Altamont, Duchesne County.

City: Altamont
County: Duchesne County
State: Utah
Prefix: 840xx

Where this code sits

84001 is part of the 840xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Altamont.

Altamont Utah ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 84001 delivers to without sharing its boundary.

435 Area code 435

ZIP codes nearest 84001

The ZIP codes whose reference points sit closest to 84001.
ZIP code	Distance	Delivers to
ZIP code 84007	3.1 mi	Bluebell, UT
ZIP code 84002	3.6 mi	Altonah, UT
ZIP code 84051	8.6 mi	Mountain Home, UT
ZIP code 84073	8.7 mi	Talmage, UT
ZIP code 84066	14 mi	Roosevelt, UT
ZIP code 84021	15 mi	Duchesne, UT
ZIP code 84053	15 mi	Neola, UT
ZIP code 84052	16 mi	Myton, UT

Straight-line distance between place reference points, not driving distance. Where a place has no Census Gazetteer point, its postal centroid is used instead.

Each point is the reference point for 84001, plotted from its record coordinates.

Reference points and footprint
Not an official NANPA boundary
Not a USPS delivery area

Scope ZIP code 84001. Source GeoNames US postal codes (2026-07 postal dump) and Census 2024 county Gazetteer (2024 Gazetteer). Updated 15 July 2026. A ZIP code is a set of delivery routes, not an area; the point shown is a record coordinate, not a centre.