ZIP code · Newark · Missouri · United States
ZIP code 63458 — Newark
ZIP code 63458 serves Newark, Missouri.
- Postal code
- 63458Single source Value from one source, not cross-checked.
- City
- Newark
- County
- Knox FIPS 29103
- State
- Missouri
- Country
- United States
- Coordinates
- 39.9931, -91.9730 — precision precise (locality)
View on OpenStreetMap - Population
- 131 (ZCTA, ACS 5-year)
- Population density
- 5 / sq mi
- Land area
- 27.3 sq mi (70.8 km²) (ZCTA, ACS 5-year)
- Median household income
- $64,766
- Per-capita income
- $37,520
- Median age
- 66
- Households
- 65
- Housing units
- 149
- Median home value
- $73,600
- Congressional district
- MO-6 (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/Chicago (UTC−6 / UTC−5 DST)
- Area code
- 660Telephone 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 63458 with another ZIP · ZIPs within 25 miles · distance from 63458
Map of ZIP code 63458
Climate — monthly normals
Warmest month Jul (avg high 86°F), coldest Jan (avg low 18°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 35 | 40 | 52 | 64 | 73 | 82 | 86 | 84 | 78 | 66 | 51 | 39 |
| Avg low °F | 18 | 22 | 32 | 42 | 53 | 62 | 66 | 64 | 55 | 44 | 33 | 23 |
| Precip in | 1.7 | 1.9 | 2.5 | 4.0 | 5.1 | 4.8 | 4.0 | 3.9 | 3.7 | 3.4 | 2.6 | 1.9 |
NOAA 1991–2020 climate normals from the nearest station: STEFFENVILLE (4.8 mi) · NOAA NCEI
Places in ZIP 63458
- 1 restaurants & cafés
- 1 places of worship
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