ZIP code · Newcastle · Utah · United States
ZIP code 84756 — Newcastle
ZIP code 84756 serves Newcastle, Utah.
- Postal code
- 84756Single source Value from one source, not cross-checked.
- City
- Newcastle
- County
- Iron FIPS 49021
- State
- Utah
- Country
- United States
- Coordinates
- 37.6924, -113.6272 — precision precise (locality)
View on OpenStreetMap - Population
- 253 (ZCTA, ACS 5-year)
- Population density
- 4 / sq mi
- Land area
- 71.1 sq mi (184.1 km²) (ZCTA, ACS 5-year)
- Per-capita income
- $27,970
- Median age
- 64
- Households
- 83
- Housing units
- 111
- Median home value
- $218,800
- Congressional district
- UT-2 (119th Congress)
- USDA hardiness zone
- 5b (-15 to -10 °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 (from the nearest rate centre)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.
Tools: compare 84756 with another ZIP · ZIPs within 25 miles · distance from 84756
Map of ZIP code 84756
Climate — monthly normals
Warmest month Jul (avg high 93°F), coldest Dec (avg low 12°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 44 | 49 | 58 | 65 | 74 | 86 | 93 | 91 | 83 | 69 | 55 | 44 |
| Avg low °F | 14 | 18 | 23 | 27 | 35 | 44 | 50 | 49 | 39 | 29 | 18 | 12 |
NOAA 1991–2020 climate normals from the nearest station: ENTERPRISE BERYL JCT (5.6 mi) · NOAA NCEI
Places in ZIP 84756
- 1 parks
- 1 post offices
- 1 places of worship
- 1 gas stations
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