ZIP Code 84338

84338 is one of Utah's ZIP codes, delivering to addresses in Trenton, Cache County.

City: Trenton
County: Cache County
State: Utah
Prefix: 843xx

Where this code sits

84338 is part of the 843xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Trenton.

Trenton Utah ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 84338 delivers to without sharing its boundary.

435 Area code 435

ZIP codes nearest 84338

The ZIP codes whose reference points sit closest to 84338.
ZIP code	Distance	Delivers to
ZIP code 84308	3.1 mi	Cornish, UT
ZIP code 84327	4.4 mi	Newton, UT
ZIP code 84320	5.1 mi	Lewiston, UT
ZIP code 84305	5.9 mi	Clarkston, UT
ZIP code 84335	6.4 mi	Smithfield, UT
ZIP code 84333	6.6 mi	Richmond, UT
ZIP code 84304	7.3 mi	Cache Junction, UT
ZIP code 83286	9.5 mi	Weston, ID

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 84338, plotted from its record coordinates.

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

Scope ZIP code 84338. 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.