ZIP code · Lynndyl · Utah · United States

ZIP code 84640 — Lynndyl

ZIP code 84640 serves Lynndyl, Utah.

Postal code
84640
Single source Value from one source, not cross-checked.
City
Lynndyl
County
Millard FIPS 49027
State
Utah
Country
United States
Coordinates
39.4943, -112.3979 — precision precise (locality)
View on OpenStreetMap
Population
260 (ZCTA, ACS 5-year)
Population density
4 / sq mi
Land area
73.5 sq mi (190.5 km²) (ZCTA, ACS 5-year)
Median household income
$50,875
Per-capita income
$17,946
Median age
25
Households
77
Housing units
92
Median home value
$258,900
Congressional district
UT-2 (119th Congress)
USDA hardiness zone
6a (-10 to -5 °F)
Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
Time zone
America/Denver (UTC−7 / UTC−6 DST)
Area code
435
Telephone area codes serving this ZIP (NANPA central-office assignments). A ZIP and an area code are different boundaries; at a border both codes may apply.

Climate — monthly normals

Warmest month Jul (avg high 93°F), coldest Dec (avg low 20°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F394455617385939181665139
Avg low °F202431364556646253402820
Precip in1.31.31.81.81.40.70.40.60.91.41.01.4

NOAA 1991–2020 climate normals from the nearest station: OAK CITY (9.3 mi) · NOAA NCEI

Places in ZIP 84640

Places mapped inside this ZIP’s ZCTA area in OpenStreetMap. OSM is community-maintained: counts reflect what has been mapped, and completeness varies by area — treat them as at-least figures. © OpenStreetMap contributors (ODbL) · Methodology

About this page

US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.

GeoNames · U.S. Census Bureau (ACS) · U.S. Census Bureau · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page