ZIP code · Jacksonville · Illinois · United States

ZIP code 62651 — Jacksonville

ZIP code 62651 serves Jacksonville, Illinois.

Postal code
62651
Single source Value from one source, not cross-checked.
City
Jacksonville
County
Morgan
State
Illinois
Country
United States
Coordinates
39.6983, -90.2615 — precision precise (locality)
View on OpenStreetMap
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 codes
217, 447
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 87°F), coldest Jan (avg low 18°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F354152657583878680675240
Avg low °F182130415362656355433223
Precip in2.22.03.04.55.15.04.03.33.83.13.12.4

NOAA 1991–2020 climate normals from the nearest station: JACKSONVILLE 2 (2.1 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