ZIP code · Unity · Illinois · United States

ZIP code 62993 — Unity

ZIP code 62993 serves Unity, Illinois.

Postal code: 62993
Single source Value from one source, not cross-checked.
City: Unity
County: Alexander
State: Illinois
Country: United States
Coordinates: 37.1528, -89.3256 — precision precise (locality)
View on OpenStreetMap
USDA hardiness zone: 7a (0 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: 618, 730 (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 62993 with another ZIP · ZIPs within 25 miles · distance from 62993

Climate — monthly normals

Warmest month Jul (avg high 89°F), coldest Jan (avg low 26°F).

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Avg high °F	43	48	59	70	78	86	89	88	82	71	58	47
Avg low °F	26	30	38	48	58	66	70	68	60	48	37	30
Precip in	3.8	3.9	4.8	5.4	5.1	4.4	4.1	3.2	3.5	4.1	4.5	4.3

NOAA 1991–2020 climate normals from the nearest station: CAIRO 3N (10.9 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