ZIP code · Olney · Missouri · United States
ZIP code 63370 — Olney
ZIP code 63370 serves Olney, Missouri.
- Postal code
- 63370Single source Value from one source, not cross-checked.
- City
- Olney
- County
- Lincoln
- State
- Missouri
- Country
- United States
- Coordinates
- 39.0839, -91.2432 — precision precise (locality)
View on OpenStreetMap - USDA hardiness zone
- 6b (-5 to 0 °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
- 573Telephone 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 63370 with another ZIP · ZIPs within 25 miles · distance from 63370
Climate — monthly normals
Warmest month Jul (avg high 88°F), coldest Jan (avg low 20°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 39 | 44 | 55 | 66 | 75 | 84 | 88 | 87 | 80 | 68 | 55 | 43 |
| Avg low °F | 20 | 23 | 33 | 43 | 53 | 63 | 66 | 65 | 56 | 45 | 34 | 25 |
| Precip in | 2.4 | 2.2 | 2.6 | 4.6 | 5.1 | 4.5 | 3.9 | 3.5 | 3.5 | 3.2 | 3.5 | 2.4 |
NOAA 1991–2020 climate normals from the nearest station: WARRENTON 1 N (18.1 mi) · NOAA NCEI
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 · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page