ZIP Code 84540

84540 is one of Utah's ZIP codes, delivering to addresses in Thompson, Grand County.

City: Thompson
County: Grand County
State: Utah
Prefix: 845xx

Where this code sits

84540 is part of the 845xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Thompson.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 84540 delivers to without sharing its boundary.

435 Area code 435

ZIP codes nearest 84540

The ZIP codes whose reference points sit closest to 84540.
ZIP code	Distance	Delivers to
ZIP code 84515	21 mi	Cisco, UT
ZIP code 84525	24 mi	Green River, UT
ZIP code 84532	30 mi	Moab, UT
ZIP code 81522	45 mi	Gateway, CO
ZIP code 81525	46 mi	Mack, CO
ZIP code 81523	50 mi	Glade Park, CO
ZIP code 81524	51 mi	Loma, CO
ZIP code 84530	52 mi	La Sal, 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 84540, plotted from its record coordinates.

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

Scope ZIP code 84540. 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.