ZIP Code 84539

84539 is one of Utah's ZIP codes, delivering to addresses in Sunnyside, Carbon County.

City: Sunnyside
County: Carbon County
State: Utah
Prefix: 845xx

Where this code sits

84539 is part of the 845xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Sunnyside.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 84539 delivers to without sharing its boundary.

435 Area code 435

ZIP codes nearest 84539

The ZIP codes whose reference points sit closest to 84539.
ZIP code	Distance	Delivers to
ZIP code 84520	1.3 mi	East Carbon, UT
ZIP code 84542	19 mi	Wellington, UT
ZIP code 84501	23 mi	Price, UT
ZIP code 84529	24 mi	Kenilworth, UT
ZIP code 84521	25 mi	Elmo, UT
ZIP code 84526	26 mi	Helper, UT
ZIP code 84518	28 mi	Cleveland, UT
ZIP code 84528	35 mi	Huntington, 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 84539, plotted from its record coordinates.

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

Scope ZIP code 84539. 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.