Rich County ZIP Codes

Rich County is a county of Utah.

ZIP codes: 4
Cities & towns: 4
Area codes: 1
Land area: 1,029 sq mi

Every ZIP code in Rich County

840xx

The complete list of Rich County, UT ZIP codes with the city each one delivers to.
ZIP code	City
84028	Garden City
84038	Laketown
84064	Randolph
84086	Woodruff

We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP. USPS delivery-type products are licensed, and no clean-rights source maps ZIP codes to neighbourhoods — so the Rich County codes above are listed without a column we would have to invent.

Cities and towns in Rich County

Area codes covering Rich County

Telephone and postal boundaries are drawn by different bodies, so these codes overlap the county without matching its edges.

435 Area code 435

Where Rich County's ZIP codes sit

Each point is the reference point of one Rich County ZIP code, plotted from its record coordinates. The outline is the convex envelope of those points — a footprint, not a boundary.

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

Scope every ZIP code recorded in Rich County. Source GeoNames US postal codes (2026-07 postal dump), Census 2024 county Gazetteer (2024 Gazetteer) and geoinfo-dataset (full_dataset) ZIP→NPA (2018 snapshot). Updated 16 July 2026. The outline is a convex envelope of ZIP reference points, not a jurisdiction boundary.